STMicroelectronics STUSB1600 Datasheet

STUSB1600

Datasheet

Standalone USB Type-C

TM

controller with high voltage protections

QFN24L 4x4 mm

Product status link

STUSB1600

Package

Marking

Device summary

Order code

Description

STUSB1600AQTR

Standalone USB Type-

C TM controller with high voltage protections

QFN24 EP 4x4 mm

1600A

Features

• Type-C attach and cable orientation detection

• Power role support: source / sink / DRP

• Configurable start-up profiles

• Integrated power switch for V

CONN

supply:

– Programmable current limit up to 600 mA

– Overcurrent, overvoltage and thermal protections

– Undervoltage lockout

• I 2 C interface and interrupt (optional connection to MCU)

• Integrated V

BUS

voltage monitoring

• Integrated V

BUS

and V

CONN

discharge path

• Short-to-VBUS protection on CC pins (22 V) and VBUS pins (28 V)

• Dead-battery mode support

• Accessory mode support

• High and/or low voltage power supply:

– V

SYS

= [3.0 V; 5.5 V]

– V

DD

= [4.1 V; 22 V]

• ESD: 4 kV HBM - 1.5 kV CDM

• Temperature range: -40 °C up to 105 °C

• Certification test ID: 1000100

Applications

• Smart plugs, wall adapters, chargers

• Power hubs and docking stations

• Smartphones and tablets

• Gaming and PNDs

• Displays

• Wearable and Internet of Things (IoT)

• Cameras, camcorders, MP3 players

• Any Type-C source or sink device

Description

The STUSB1600 is an IC controller, fully compliant with the USB Type-C cable and connector specification (rev. 1.2), which addresses 5 V USB Type-C port management both on the host and/or device side. It is designed for a broad range of applications and can handle the following USB Type-C functions: attach detection, plug orientation detection, host to device connection, VCONN support, and V

BUS configuration. Thanks to its 20 V technology, it implements high voltage protection features against short-circuits to V

BUS

up to 28 V. The device supports dead battery mode and is fully customizable thanks to an integrated non-volatile memory.

DS11503 - Rev 4 - October 2019

For further information contact your local STMicroelectronics sales office.

www.st.com

1

1.1

STUSB1600

Functional description

Functional description

The STUSB1600 is a USB Type-C controller IC. It is designed to interface with the Type-C receptacle both on host and/or device sides. It is used to establish and manage the source-to-sink connection between two USB

Type-C host and device ports.

The STUSB1600 major role is to:

1.

Detect the connection between two USB Type-C ports (attach detection)

2.

Establish a valid source-to-sink connection

3.

Determine the attached device mode: source, sink or accessory

4.

Resolve cable orientation and twist connections to establish USB data routing (MUX control)

5.

Configure and monitor V

BUS

power path

6.

Manage V

BUS

power capability: USB Default, Type-C medium or Type-C high current mode

7.

Configure V

CONN

when required

The STUSB1600 also provides:

1.

Low power standby mode

2.

Dead-battery mode

3.

I 2 C interface and interrupt (optional connection to MCU)

4.

Start-up configuration customization: static through NVM or/and dynamic through I 2 C

5.

High voltage protection

6.

Accessory modes detection

Block overview

Figure 1. Functional block diagram

CC1DB

CC1

VCONN

CC2

CC2_DB

VREG_1V2 VDD VSYS GND VREG_2V7 RESET

VREG_1V2

Power Supply

Generation

VPU

VREG_2V7

I2C_REGx

VDD1V2 VPU

Power On

Reset

Controller

Oscillator NVM

I2C Interface

&

Registers

RESET

I2C_REGx

VDD2V7 RESET CLK I2C_REGx

VCONN Monitoring

& Power Switches

CC Lines

Interface

CC Control

Logic

VBUS Monitoring

& Control

SCL

SDA

ALERT#

ATTACH

DEBUG1

DEBUG2

VBUS_ERROR

VBUS_SENSE

VBUS_EN_SRC

VBUS_EN_SNK

A_B_SIDE

High voltage pins

DS11503 - Rev 4 page 2/66

2

2.1

Inputs / outputs

Pinout

Figure 2. STUSB1600 pin connections

CC1DB

CC1

VCONN

CC2

CC2DB

RESET

1

24 23 22 21 20 19

18

2 17

3 16

4

EP

15

5 14

6 13

7 8 9 10 11 12

VBUS_SENSE

A_B_SIDE

NC

DEBUG2

DEBUG1

ADDR0

STUSB1600

Inputs / outputs

DS11503 - Rev 4 page 3/66

2.2

STUSB1600

Pin list

Pin list

Pin

1

2

3

4

5

6

7

8

9

10

ALERT#

GND

11 VBUS_VALID

12 ATTACH

Name

CC1DB

CC1

VCONN

CC2

CC2DB

RESET

SCL

SDA

13

14

15

16

17

22

23

24

ADDR0

DEBUG1

DEBUG2

NC

A_B_SIDE

Table 1. Pin functions list

Type Description

HV AIO Dead-battery enable on CC1 pin

HV AIO Type-C configuration channel 1

PWR Power input for active plug

HV AIO Type-C Configuration Channel 2

HV AIO Dead-battery enable on CC2 pin

DI Reset input (active high)

DI I 2 C clock input

DI/OD I 2 C data input/output – active low open-drain

OD I 2 C interrupt – active low open-drain

GND Ground

OD

OD

DI

OD

OD

-

V

BUS detection, active low open-drain

Attachment detection, active low open-drain

I²C device address setting (see Section 4 I²C interface

)

Debug accessory device detection in sink power role, active low open-drain

-

Debug accessory device detection in source power role, active low open-drain

OD Cable orientation, active low open-drain

Typical connection

CC1 pin if used or ground

Type-C receptacle A5

5 V power source

Type-C receptacle B5

CC2 pin if used or ground

To I²C master, ext. pull-up

To I²C master, ext. pull-up

To I²C master, ext. pull-up

Ground

To MCU if any, ext. pull-up

To MCU if any, ext. pull-up

Static

To MCU if any, ext. pull-up

To MCU if any, ext. pull-up

Floating

USB SuperSpeed mux select – Ext. pullup

From V

BU s 18 VBUS_SENSE HV AI V

BUS

voltage monitoring and discharge path

19 VBUS_EN_SNK HV OD

V

BUS

sink power path enable, active low opendrain

20 VBUS_EN_SRC

21 VREG_1V2

HV OD

V

BUS

source power path enable, active low open-drain

PWR 1.2 V internal regulator output

VSYS

VREG_2V7

VDD

EP

PWR Power supply from system

PWR 2.7 V internal regulator output

HV PWR Power supply from USB power line

GND Exposed pad is connected to ground

To switch or power system, ext. pull-up

To switch or power system, ext. pull-up

1 µF typ. decoupling capacitor

From power system, connect to ground if not used

1 µF typ. decoupling capacitor

From V

BUS

To ground

DS11503 - Rev 4 page 4/66

STUSB1600

Pin description

PD

PU

HV

PWR

GND

Type

D

A

O

I

IO

OD

Table 2. Legend

Description

Digital

Analog

Output pad

Input pad

Bidirectional pad

Open-drain output

Pull-down

Pull-up

HIGH VOLTAGE

Power

Ground

2.3

2.3.1

2.3.2

Note:

2.3.3

2.3.4

Pin description

CC1 / CC2

CC1 and CC2 are the configuration channel pins used for the connection and attachment detection, plug orientation determination and system configuration management across USB Type-C cable.

CC1DB / CC2DB

CC1DB and CC2DB are used for dead-battery mode when the STUSB1600 is configured in sink power role or dual power role. This mode is enabled by connecting CC1DB and CC2DB respectively to CC1 and CC2. Thanks to this connection, the pull-down terminations on the CC pins are present by default even if the device is not supplied (see

Section 3.5 Dead-battery mode

).

CC1DB and CC2DB must be connected to ground when the STUSB1600 is configured in source power role or when the dead-battery mode is not supported.

VCONN

This power input is connected to a power source that can be a 5 V power supply, or a lithium battery. It is used to provide power supply to the local plug. It is internally connected to power switches that are protected against short-circuit and overvoltage. This does not require any protection on the input side. When a valid source-to-sink connection is determined and V

CONN

power switches are enabled, V

CONN

is provided by the source to the unused

CC pin (see

Section 3.3 VCONN supply

).

RESET

Active high reset.

DS11503 - Rev 4 page 5/66

STUSB1600

Pin description

2.3.5

2.3.6

2.3.7

2.3.8

2.3.9

2.3.10

2.3.11

I²C interface pins

Name

SCL

SDA

ALERT#

ADDR0

Table 3. I 2 C interface pin list

Description

I²C clock, need external pull-up

I²C data, need external pull-up

I²C interrupt, need external pull-up

I²C device address bit (see

Section 4 I²C interface

)

GND

Ground.

VBUS_VALID

This pin is asserted during attachment when V

BUS

is detected on VBUS_SENSE pin and V

BUS

voltage is within the valid operating range. The V

BUS

valid state is also advertised in a dedicated I 2

C register bit (see Section

5.1 Register description

).

ATTACH

This pin is asserted when a valid source-to-sink connection is established. It is also asserted when a connection to an accessory device is detected. The attachment state is also advertised in a dedicated I 2 C register bit (see

Section 5.1 Register description ).

DEBUG pins

These pins are asserted when a debug accessory device is detected according to the running power role.

Table 4. Debug pin list

Name Description

DEBUG1 Asserted when Type-C FSM is in DebugAccessory.SNK state in sink power role

DEBUG2

Asserted when Type-C FSM is in UnorientedDebugAccessory. SRC or OrientedDebugAccessory.SRC states in source power role

A_B_SIDE

This output pin provides cable orientation. It is used to establish USB SuperSpeed signal routing. The cable orientation is also advertised in a dedicated I 2

C register bit. (see Section 5.1 Register description

). This signal is not required in case of USB 2.0 support.

Value

HiZ

0

Table 5. USB data MUX select

CC pin position

CC1 pin is attached to CC line

CC2 pin is attached to CC line

VBUS_SENSE

This input pin is used to sense V

BUS

presence, monitor V

BUS

voltage and discharge V

BUS

on USB Type-C receptacle side.

DS11503 - Rev 4 page 6/66

STUSB1600

Pin description

2.3.12

2.3.13

2.3.14

2.3.15

2.3.16

2.3.17

VBUS_EN_SNK

In sink power role, this pin allows the incoming V

BUS

power to be enabled when the connection to a source is established and V

BUS

is in the valid operating range. The open-drain output allows a PMOS transistor to be driven directly. The logic value of the pin is also advertised in a dedicated I 2 C register bit (see

Section 5.1 Register description

).

VBUS_EN_SRC

In source power role, this pin allows the outgoing V

BUS

power to be enabled when the connection to a sink is established and V

BUS

is in the valid operating range. The open-drain output allows a PMOS transistor to be driven directly. The logic value of the pin is also advertised in a dedicated I 2 C register bit (see

Section 5.1 Register description

).

VREG_1V2

This pin is used only for external decoupling of 1.2 V internal regulator. The recommended decoupling capacitor:

1 µF typ. (0.5 µF min.; 10 µF max.).

VSYS

This is the low power supply from the system, if any. It can be connected directly to a single cell lithium battery or to the system power supply delivering 3.3 V or 5 V. It is recommended to connect the pin to ground when it is not used.

VREG_2V7

This pin is used only for external decoupling of 2.7 V internal regulator. The recommended decoupling capacitor:

1 µF typ. (0.5 µF min.; 10 µF max.).

VDD

This is the main power supply for applications powered by V

BUS

.

In source power role, this pin can be used to sense the voltage level of the main power supply providing V

BUS

. It allows UVLO and OVLO thresholds to be considered independently on VDD pin as additional conditions to enable the V

BUS

power path through VBUS_EN_SRC pin (see

Section 3.2.3 VBUS power path assertion ). When UVLO

threshold detection is enabled, the VDD pin must be connected to the main power supply to establish the connection and to assert the V

BUS

power path.

DS11503 - Rev 4 page 7/66

STUSB1600

Features description

3

Features description

3.1

3.2

3.2.1

CC interface

The STUSB1600 controls the connection to the configuration channel (CC) pins, CC1 and CC2, through two main blocks, the CC lines interface block and the CC control logic block.

The CC line interface block is used to:

• Configure the termination mode on the CC pins relative to the power mode supported, i.e. pull-up for source power role and pull-down for sink power role

• Monitor the CC pin voltage values relative to the attachment detection thresholds

•

•

Configure V

CONN

on the unconnected CC pin when required

Protect the CC pins against overvoltage

•

•

•

•

•

•

The CC control logic block is used to:

• Execute the Type-C FSM relative to the Type-C power mode supported

Determine the electrical state for each CC pin relative to the detected thresholds

Evaluate the conditions relative to the CC pin states and V

BUS another in the Type-C FSM

voltage value to transition from one state to

•

Detect and establish a valid source-to-sink connection

Determine the attached device mode: source, sink or accessory

Determine cable orientation to allow external routing of the USB data

Manage V

BUS

power capability: USB default, Type-C medium or Type-C high current mode

Handle hardware faults

The CC control logic block implements the Type-C FSMs corresponding to the following Type-C power modes:

•

•

•

•

•

•

Source power role with accessory support

Sink power role with accessory support

Sink power role without accessory support

Dual power role with accessory support

Dual power role with accessory and Try.SRC support

Dual power role with accessory and Try.SNK support

The default Type-C power mode is selected through NVM programming (see

Section 6 Start-up configuration

) and can be changed by software during operation through I 2

C interface (see Section 5.1 Register description

).

V

BUS

power path control

V

BUS

monitoring

The V

BUS

monitoring block supervises (from the VBUS_SENSE pin) the V

BUS receptacle side.

voltage on the USB Type-C

•

•

It is used to check that V

BUS

is within a valid voltage range:

To establish a valid source-to-sink connection according to USB Type-C standard specifications

To enable safely the V power role

BUS

power path through VBUS_EN_SRC pin or VBUS_EN_SNK pin depending on the

It allows detection of unexpected V

BUS valid V

BUS

voltage conditions such as: undervoltage or overvoltage relative to the

voltage range. When such conditions occurs, the STUSB1600 behaves as follows:

• At attachment, it prevents the source-to-sink connection and the V

BUS

power path assertion

DS11503 - Rev 4 page 8/66

STUSB1600

VBUS power path control

3.2.2

3.2.3

• After attachment, it deactivates the source-to-sink connection and disables the V

BUS

power path. In source power role, the device goes into error recovery state. In sink power role the device goes into unattached state

The valid V

BUS

voltage range is defined from V

BUS

nominal voltage by a high threshold voltage and a low threshold voltage whose nominal values are respectively V

BUS

+5% and V

BUS

-5%. The nominal threshold limits can be shifted by a fraction of V

BUS

from +1% to +15% for the high threshold voltage and from -1% to -15% for the low threshold voltage. It means the threshold limits can vary from V

BUS

+5% to V

BUS

+20% for the high limit and from V

BUS

-5% to V

BUS

-20% for the low limit.

The threshold limits are preset by default in the NVM with different shift coefficients depending on whether the

device operates in source power role or sink power role (see Section 8.3 Electrical and timing characteristics

).

The threshold limits can be changed independently through NVM programming (see

Section 6 Start-up configuration

) and also by software during attachment through I

2

C interface (see Section 5.1 Section 4.4:

Register description

).

V

BUS

discharge

The monitoring block handles also the internal V

BUS

discharge path connected to the VBUS_SENSE pin. The discharge path is activated at detachment, or when the device goes into the error recovery state whatever the power role (see

Section 3.7 Hardware fault management ).

The V

BUS discharge path is enabled by default in the NVM and can be disabled through NVM programming only

(see

Section 6 Start-up configuration

). The discharge time duration is also preset by default in the NVM (see

Section 8.3 Electrical and timing characteristics

). The discharge time duration can be modified through NVM

programming (see Section 6 Start-up configuration ) and also by software through the I

2

C interface (see Section

5.1 Register description

).

V

BUS

power path assertion

The STUSB1600 can control the assertion of the V

BUS

power path on USB Type-C port, directly or indirectly, through VBUS_EN_SRC pin and VBUS_EN_SNK pins according to the system power role.

The following tables summarize the configurations of the STUSB1600 and the operation conditions that determine the electrical value of VBUS_EN_SRC pin and VBUS_EN_SNK pins during the system operation.

DS11503 - Rev 4 page 9/66

STUSB1600

VBUS power path control

Pin

VBUS_EN_SRC

Table 6. Conditions for V

BUS

power path assertion in source power role

Operation conditions

Electrical value

0

HiZ

Type-C attached state

Attached.SRC

or

UnorientedDebug

Accessory.SRC

or

OrientedDebug

Accessory.SRC

Any other state

VDD pin monitoring

V

DD

> V

DDUVLO if UVLO threshold detection enabled and/or

V

DD

< V

DDOVLO if OVLO threshold detection enabled

V

DD

<V

DDUVLO if UVLO threshold detection enabled and/or

V

DD

>V

DDOVLO if OVLO threshold detection enabled

VBUS_SENSE pin monitoring

V

BUS

<

V

MONUSBH

and

V

BUS

>

V

MONUSBL

if

V

BUS voltage range detection enabled or

V

BUS

> V

THUSB if V

BUS

voltage range detection disabled

V

BUS

>

V

MONUSBH

or

V

BUS

<

V

MONUSBL

if

V

BUS

voltage range detection enabled or

V

BUS

< V

THUSB if V

BUS

voltage range detection disabled

Comment

The signal is asserted only if all the valid operation conditions are met

The signal is de-asserted when at least one non-valid operation condition is met

As specified in the USB Type-C standard specification, the attached state "Attached.SRC" is reached only if the voltage on V

BUS

receptacle side is at vSafe0V condition when a connection is detected.

DS11503 - Rev 4 page 10/66

STUSB1600

VCONN supply

3.3

Pin

VBUS_EN_SNK

Table 7. Conditions for V

BUS

power path assertion in sink power role

Electrical value

0

HiZ

Type-C attached state

Operation conditions

VDD pin monitoring

VBUS_SENSE pin monitoring

Attached.SNK

or

DebugAccessory.

SNK

Any other state

Not applicable

Not applicable

V

BUS

< V

MONUSBH and V

BUS

>

V

MONUSBL

if V

BUS voltage range detection enabled or

V

BUS

> V

THUSB

if

V

BUS

voltage range detection disabled

V

BUS

> V

MONUSBH or

V

BUS

< V

MONUSBL

if

V

BUS

voltage range detection enabled or

V

V

BUS

BUS

< V

THUSB

if

voltage range detection disabled

Comment

The signal is asserted only if all the valid operation conditions are met

The signal is de-asserted when at least one non-valid operation condition is met

"Type-C attached state” refers to the Type-C FSM states as defined in the USB Type-C standard specification and as described in I 2

C register CC_OPERATION_STATUS (see Section 5.1 Register description ).

“VDD pin monitoring” is valid in source power role only. The activation of the UVLO and OVLO threshold detections can be done through NVM programming (see

Section 6 Start-up configuration

) and also by software through I 2

C interface (see Section 5.1 Register description

). When UVLO and/or OVLO threshold detection is activated, VBUS_EN_SRC pin is asserted only if the device is attached and the valid threshold conditions on VDD are met. Once VBUS_EN_SRC pin is asserted, the V

BUS

VDD pin.

monitoring is done on VBUS_SENSE pin instead of

“VBUS_SENSE pin monitoring” relies by default on the valid V

BUS

voltage range defined by a high limit

V

MONUSBH

and a low limit V

MONUSBL

. The voltage range conditions can be disabled to consider UVLO threshold detection instead. The monitoring conditions of V

BUS

voltage can be changed through NVM programming (see

Section 6 Start-up configuration

description

).

) and also by software through I 2 C interface (see

Section 5.1 Register

See

Section 8.3 Electrical and timing characteristics

for the threshold voltage description and value on VDD and

VBUS_SENSE pins.

3.3.1

3.3.2

V

CONN

supply

V

CONN

input voltage

V

CONN

is a regulated supply used to power circuits in the plug of USB3.1 full-featured cables and other accessories. V

CONN

nominal operating voltage is 5.0 V ± 5%.

V

CONN

application conditions

The V

CONN

pin of the STUSB1600 is connected to each CC pin (CC1 and CC2) across independent power switches.

The STUSB1600 applies V

CONN

only to the CC pin not connected to the CC wire when all below conditions are met:

DS11503 - Rev 4 page 11/66

STUSB1600

VCONN supply

3.3.3

3.3.4

3.3.5

3.3.6

•

•

•

•

•

The device is configured in source power role or dual power role

V

CONN

power switches are enabled

A valid connection to a sink is achieved

Ra presence is detected on the unwired CC pin

A valid power source is applied on V

CONN

pin with respect to a predefined UVLO threshold

The STUSB1600 does not provide V

CONN

when it works in sink power role.

V

CONN

monitoring

The V

CONN

monitoring block detects if V

CONN

power supply is available on the VCONN pin. It is used to check that V

CONN

voltage is above a predefined undervoltage lockout (UVLO) threshold to allow V

CONN

power switches to be enabled.

The default value of the UVLO threshold is 4.65 V typical for powered cables operating at 5 V. It can be changed by software to 2.65 V typical to support V

CONN

-powered accessories that are operating down to 2.7 V (see

Section 5.1 Register description ).

V

CONN

discharge

The behavior of Type-C FSMs is extended with an internal V

CONN

discharge path capability on CC pins in source power mode only. The discharge path is activated during 250 ms from sink detachment detection. This feature is

disabled by default and can be activated through NVM programming (see Section 6 Start-up configuration ) and

also by software through I 2

C interface (see Section 5.1 Register description ).

V

CONN

control and status

The supplying conditions of V

CONN

across the STUSB1600 are managed through the I 2 C interface. Different I 2 C

registers and bits are used specifically for this purpose (see Section 5.1 Register description ).

VCONN power switches

Features

•

•

•

•

•

•

The STUSB1600 integrates two current limited high-side power switches with protections that tolerate high voltage up to 22 V on the CC pins.

Each V

CONN

power switch presents the following features:

Soft-start to limit inrush current

Constant current mode overcurrent protection

Adjustable current limit

Thermal protection

Undervoltage and overvoltage protection

Reverse current and reverse voltage protections

DS11503 - Rev 4 page 12/66

Figure 3. V

CONN

to CC1 and CC2 power switch protections

STUSB1600

VCONN supply

DS11503 - Rev 4

Current limit programming

The current limit can be set within the range 100 mA to 600 mA by step of 50 mA. The default current limit is programmed through NVM programming (see

Section 6 Start-up configuration

) and can be changed by software through I 2

C interface (see Section 5.1 Register description

). At power-on or after a reset, the current limit takes the default value preset in the NVM.

Fault management

The table below summarizes the different fault conditions that could occur during the operation of the switch and the associated responses. An I 2 C alert is generated when a fault condition happens (see

Section 5.1 Register description

).

Fault types

Short-circuit

Overcurrent

Overheating

Undervoltage

Table 8. Fault management conditions

Fault conditions

CC output pin shorted to ground via very low resistive path causing rapid current surge

CC output pin connected to a load that sinks current above programmed limit

Junction temperature exceeding 145

°C due to any reason

V

CONN

input voltage drops below

UVLO threshold minus hysteresis

Expected actions

Power switch limits the current and reduces the output voltage. I 2 C alert is asserted immediately thanks to VCONN_SW_OCP_FAULT bits

Power switch limits the current and reduces the output voltage. I 2 C alert is asserted immediately thanks to VCONN_SW_OCP_FAULT bits

Power switch is disabled immediately until the temperature falls below 145 ° minus hysteresis of 15 °C. I 2 C alert is asserted immediately thanks to THERMAL_FAULT bit. The STUSB1600 goes into transient error recovery state

Power switch is disabled immediately until the input voltage rises above the UVLO threshold. I 2 C alert is asserted immediately thanks to VCONN_PRESENCE bit page 13/66

3.4

3.5

3.6

3.7

STUSB1600

Low power standby mode

Fault types

Overvoltage

Fault conditions

CC output pin voltage exceeds maximum operating limit of 6.0 V

Reverse current

Reverse voltage

CC output pin voltage exceeds

V

CONN input voltage when the power switch is turned off

CC output pin voltage exceeds

V

CONN input voltage of more than

0.35 V for 5 V when the power switch is turned on

Expected actions

Power switch is opened immediately until the voltage falls below the voltage limit. I 2 C alert is asserted immediately thanks to

VCONN_SW_OVP_FAULT bits

The reverse biased body diode of the back-to-back MOS switches is naturally disabled preventing current to flow from the CC output pin to the input

Power switch is opened immediately until the voltage difference falls below the voltage limit. I 2 C alert is asserted immediately thanks to

VCONN_SW_RVP_FAULT bits

Low power standby mode

The STUSB1600 proposes a standby mode to reduce the device power consumption when no device is connected to the USB Type-C port. It is disabled by default and can be activated through NVM programming (see

Section 6 Start-up configuration

).

When activated, the STUSB1600 enters standby mode at power-up, or after a reset, after a reset or after a disconnection. In this mode, the CC interface and the voltages monitoring blocks are turned off. Only a monitoring circuitry is maintained active on the CC pins to detect a connection. When the connection is detected, all the internal circuits are turned on to allow normal operations.

The standby mode does not operate when the device is configured in sink power role with accessory support (see

Section 6 Start-up configuration

).

Dead-battery mode

The dead-battery mode allows systems powered by a battery to be supplied by V

BUS

when the battery is discharged and to start the battery charging process. It is also used in systems that are powered through V

BUS only.

This mode is only supported in sink power role and dual power role configurations. It operates only if the CC1DB and CC2DB pins are connected respectively to the CC1 and CC2 pins. Thanks to these connections, the

STUSB1600 presents a pull-down termination on its CC pins and advertises itself as a sink even if the device is not supplied.

When a source system connects to a USB Type-C port with the STUSB1600 configured in dead-battery mode, it can detect the pull-down termination, establish the source-to-sink connection, and provide the V

BUS

. The

STUSB1600 is then supplied thanks to the VDD pin connected to the V

BUS

on the USB Type-C receptacle side.

The STUSB1600 can finalize the source-to-sink connection and enable the power path on the V

BUS

thanks to the

VBUS_EN_SNK pin which allows the system to be powered.

High voltage protection

The STUSB1600 can be used safely in systems or connected to systems that handle high voltage on the V

BUS power path. The device integrates an internal circuitry on the CC pins that tolerates high voltages and ensures a protection up to 22 V in case of unexpected short-circuit with V

BUS or in case of connection to a device supplying high voltage on V

BUS

.

Hardware fault management

The STUSB1600 handles hardware fault conditions related to the device itself and to the V

BUS

power path during the system operation.

When such conditions happens, the circuit goes into a transient error recovery state named ErrorRecovery in the

Type-C FSM. The error recovery state is sufficient to force a detach event.

When entering this state, the device de-asserts the V

BUS

power path by disabling VBUS_EN_SRC pin and

VBUS_EN_SNK pin, and it removes the terminations from the CC pins during few tens of milliseconds. Then it transits to the unattached state related to the configured power mode.

The STUSB1600 goes into error recovery state when at least one condition listed below is met:

DS11503 - Rev 4 page 14/66

STUSB1600

Accessory mode detection

3.8

3.8.1

3.8.2

•

•

Whatever the power role:

– If an overtemperature is detected, the "THERMAL_FAULT" bit set to 1b

In source power role only:

– If an internal pull-up voltage on CC pins is below UVLO threshold (VPU_VALID bit set to 0b)

– If an overvoltage is detected on the CC pins (VPU_OVP_FAULT bit set to 1b)

– If V

BUS

voltage is out of the valid voltage range during attachment (VBUS_VALID bit set to 0b)

– If an undervoltage is detected on VDD pin during attachment when UVLO detection is enabled

(VDD_UVLO_DISABLE bit set to 0b)

– If an overvoltage is detected on VDD pin during attachment when OVLO detection is enabled

(VDD_OVLO_DISABLE bit set to 0b)

The I 2 C register bits above-mentioned give either the state of the hardware fault when it occurs, or the setting conditions to detect the hardware fault (see

Section 5.1 Register description ).

Accessory mode detection

•

•

•

•

•

The STUSB1600 supports the detection of audio accessory mode and debug accessory mode as defined in USB

Type-C standard specification with the following Type-C power modes (see

Section 6 Start-up configuration ):

Source power role with accessory support

Sink power role with accessory support

Dual power role with accessory support

Dual power role with accessory and Try.SRC support

Dual power role with accessory and Try.SNK support

Audio accessory mode detection

The STUSB1600 detects an audio accessory device when both CC1 and CC2 pins are pulled down to ground by

Ra resistor from the connected device. The audio accessory detection is advertised through

CC_ATTACHED_MODE bits of I 2

C register CC_CONNECTION_STATUS (see Section 5.1 Register description ).

Debug accessory mode detection

The STUSB1600 detects a connection to a debug and test system (DTS) when it operates either in sink power role or in source power role. The debug accessory detection is advertised by DEBUG1 and DEBUG2 pins as well as through CC_ATTACHED_MODE bits of I 2 C register CC_CONNECTION_STATUS (see

Section 5.1 Register description

).

In sink power role, a debug accessory device is detected when both CC1 and CC2 pins are pulled up by Rp resistor from the connected device. The voltage levels on CC1 and CC2 pins give the orientation and the current capability as described in the table below. DEBUG1 pin is asserted to advertise the DTS detection and A_B_SIDE pin indicates the orientation of the connection. The current capability of the DTS is given through

SINK_POWER_STATE bits of I

2

C register CC_OPERATION_STATUS (see Section 5.1 Register description ).

#

1

CC1

(CC2)

2 Rp 1.5 A

3

Rp 3A

Rp 3 A

Table 9. Orientation and current capability detection in sink power role

CC2

(CC1)

Charging current configuration

A_B_SIDE pin

CC1/CC2

(CC2/CC1)

Current capability state

SINK_POWER_STATE bit values

Rp 1.5 A

Rp default

Rp default

Default

1.5 A

3.0 A

HiZ (0)

HiZ (0)

HiZ (0)

PowerDefault.SNK (source supplies default USB current)

Power1.5.SNK (source supplies 1.5 A USB Type-C current)

Power3.0.SNK (source supplies 3.0 A USB Type-C current)

4

Rp def/1.5 A/3 A

Rp def/1.5 A/3 A

Default HiZ (HiZ)

PowerDefault.SNK (source supplies default USB current)

DS11503 - Rev 4 page 15/66

STUSB1600

Accessory mode detection

In source power role, a debug accessory device is detected when both CC1 and CC2 pins are pulled down to ground by Rd resistor from the connected device. The orientation detection is performed in two steps as described in the table below. DEBUG2 pin is asserted to advertise the DTS detection and the A_B_SIDE pin indicates the orientation of the connection. The orientation detection is advertised through TYPEC_FSM_STATE bits of I 2 C register CC_OPERATION_STATUS (see

Section 5.1 Register description ).

#

CC1

(CC2)

1 Rd

2 Rd

CC2

(CC1)

Rd

≤Ra

Table 10. Orientation detection in source power role

Detection process

A_B_SIDE pin

CC1/CC2

(CC2/CC1)

HiZ (HiZ)

Orientation detection state

TYPEC_FSM_STATE bit value

UnorientedDebugAccessory.SRC

1 st step: debug accessory mode detected

2 nd step: orientation detected (DTS presents a resistance to GND with a value

≤Ra on its CC2 pin)

HiZ (0) OrientedDebugAccessory.SRC

DS11503 - Rev 4 page 16/66

STUSB1600

I²C interface

4

I²C interface

4.1

Read and write operations

•

•

The I²C interface is used to configure, control and read the operation status of the device. It is compatible with the

Philips I²C Bus® (version 2.1). The I²C is a slave serial interface based on two signals:

SCL - serial clock line: input clock used to shift data

SDA - serial data line: input/output bidirectional data transfers

A filter rejects the potential spikes on the bus data line to preserve data integrity.

The bidirectional data line supports transfers up to 400 kbit/s (fast mode). The data are shifted to and from the chip on the SDA line, MSB first.

The first bit must be high (START) followed by the 7-bit device address and the read/write control bit.

Two 7-bit device address are available for the STUSB1600 thanks to the external programming of DevADDR0 through ADDR0 pin setting, i.e. 0x28 or 0x29. It allows two STUSB1600 devices to be connected on the same I 2 C bus.

Bit7

DevADDR6

0

Bit6

DevADDR5

1

Bit5

DevADDR4

0

Table 11. Device address format

Bit4

DevADDR3

1

Bit3

DevADDR2

0

Bit2

DevADDR1

0

Bit1

DevADDR0

ADDR0

Bit0

R/W

0/1

Bit7

RegADDR7

Bit6

RegADDR6

Bit5

RegADDR5

Table 12. Register address format

Bit4

RegADDR4

Bit3

RegADDR3

Bit2

RegADDR2

Bit1

RegADDR1

Bit0

RegADDR0

Bit7

DATA7

Bit6

DATA6

Bit5

DATA5

Table 13. Register data format

Bit4

DATA4

Bit3

DATA3

Figure 4. Read operation

Bit2

DATA2

Bit1

DATA1

Bit0

DATA0

Master Slave

Start Device addr

7 bits

W A Reg address

8 bits

Start bit = SDA falling when SCL = 1

Stop bit = SDA rising when SCL = 1

Restart bit = start after a start

Acknowledge = SDA forced low during a SCL clock

A Restart Device addr

7 bits

R A Reg data

8 bits

A Reg data

8 bits

Address n+1

A Reg data

8 bits

Address n+2

A

Stop

DS11503 - Rev 4 page 17/66

STUSB1600

Timing specifications

Figure 5. Write operation

Start Device addr

7 bits

W A Reg address

8 bits

Start bit = SDA falling when SCL = 1

Stop bit = SDA rising when SCL = 1

Restart bit = start after a start

A Reg data

8 bits

A Reg data

8 bits

Address n+1

A Reg data

8 bits

Address n+2

A Stop

4.2

Timing specifications

The device uses a standard slave I²C channel at speed up to 400 kHz.

Symbol

F scl t hd,sta t low t high t su,dat t hd,dat t su,dat t r t f t su,sto t buf

C b

Table 14. I²C timing parameters - V

DD

= 5 V

Parameter

SCL clock frequency

Hold time (repeated) START condition

LOW period of the SCL clock

HIGH period of the SCL clock

Set-up time for repeated START condition

Data hold time

Data set-up time

Rise time of both SDA and SCL signals

Fall time of both SDA and SCL signals

Set-up time for STOP condition

Bus free time between a STOP and START condition

Capacitive load for each bus line

Min.

0

0.6

1.3

0.6

0.6

0.04

100

20 + 0.1 C b

20 + 0.1 C b

0.6

1.3

-

0.9

-

300

300

-

-

400

Max.

400

-

-

-

-

-

-

-

-

-

-

-

Typ.

-

-

-

-

ns

μs

μs pF

μs

μs ns

Unit kHz

μs

μs

μs

μs

DS11503 - Rev 4 page 18/66

Figure 6. I²C timing diagram

V ih

S DA

V il t f t hd,s ta

SC L t low t r t su,dat t high t hd,dat t su,sta

STUSB1600

Timing specifications

DS11503 - Rev 4 page 19/66

5

STUSB1600

I2C register map

Address

00h to 0Ah

0Bh

0Ch

0Dh

0Eh

0Fh

1Eh

1Fh

20h

21h

22h

10h

11h

12h

13h

14h to 17h

18h

19h to 1Dh

23h

24h

25h

I

2

C register map

Access code

RO

R/W

RC

Expanded name

Read only

Read /write

Read and clear

Table 15. Register access legend

Description

Register can be read only

Register can be read or written

Register can be read and is cleared after read

Table 16. STUSB1600 register map overview

Register name

Reserved

Access

RO

ALERT_STATUS

ALERT_STATUS_MASK_CTRL

CC_CONNECTION_STATUS_TRANS

CC_CONNECTION_STATUS

MONITORING_STATUS_TRANS

MONITORING_STATUS

CC_OPERATION_STATUS

HW_FAULT_STATUS_TRANS

HW_FAULT_STATUS

Reserved

CC_CAPABILITY_CTRL

Reserved

CC_VCONN_SWITCH_CTRL

Reserved

VCONN_MONITORING_CTRL

Reserved

VBUS_MONITORING_RANGE_CTRL

RESET_CTRL

Reserved

VBUS_DISCHARGE_TIME_CTRL

RC

R/W

RC

RO

RC

RO

RO

RC

RO

RO

R/W

RO

R/W

RO

R/W

RO

R/W

R/W

RO

R/W

Description

Do not use

Alert register linked to transition registers

Allows the interrupt mask on

ALERT_STATUS register to be changed

Alerts about transition in

CC_CONNECTION_STATUS register

Gives status on CC connection

Alerts about transition in

MONITORING_STATUS register

Gives status on V

BUS

and V

CONN voltage monitoring

Gives status on CC operation modes

Alerts about transition in

HW_FAULT_STATUS register

Gives status on hardware faults

Do not use

Allows the CC capabilities to be changed

Do not use

Allows the current limit of V

CONN power switches to be changed

Do not use

Allows the monitoring conditions of

V

CONN

voltage to be changed

Do not use

Allows the voltage range for V

BUS monitoring to be changed

Controls the device reset by software

Do not use

Allows the V

BUS

discharge time to be changed

DS11503 - Rev 4 page 20/66

STUSB1600

Register description

5.1

5.1.1

Note:

5.1.2

Note:

Address

26h

27h

28h

29h to 2Dh

2Eh

2Fh

Register name

VBUS_DISCHARGE_STATUS

VBUS_ENABLE_STATUS

CC_POWER_MODE_CTRL

Reserved

VBUS_MONITORING_CTRL

Reserved

Access

RO

RO

R/W

RO

R/W

RO

Description

Gives status on V

BUS

discharge path activation

Gives status on V

BUS

power path activation

Allows the CC power mode to be changed

Do not use

Allows the monitoring conditions of

V

BUS

voltage to be changed

Do not use

Register description

The reset column specified in the register descriptions below defines the default value of the registers at power-up or after a reset. The reset values with (NVM) index correspond to the user-defined parameters that can be customized by NVM re-programming if needed (see

Section 6 Start-up configuration

).

ALERT_STATUS

Address: 0Bh

Access: RC

This register indicates an alert that has occurred.

Bit

7

6

5

4

3:0

Field name

Reserved

Reserved

Table 17. ALERT_STATUS register

CC_CONNECTION_STATUS_AL

MONITORING_STATUS_AL

HW_FAULT_STATUS_AL

Reset Description

0b

0b

0b

Do not use

0b: cleared

1b: change occurred on

CC_CONNECTION_STATUS_TRANS register

0b: cleared

1b: change occurred on MONITORING_STATUS_TRANS register

0b

0b: cleared

1b: change occurred on HW_FAULT_STATUS_TRANS register

0000b Do not use

When a bit value change occurs on one of the mentioned transition registers, it automatically sets the corresponding alert bit in ALERT_STATUS register.

ALERT_STATUS_MASK_CTRL

Address : 0Ch

Access : R/W

This register is used to mask event interrupt and prevent the assertion of the alert bit in the ALERT_STATUS register when the corresponding bit defined below is set to 1.

DS11503 - Rev 4 page 21/66

STUSB1600

Register description

5.1.3

Note:

Bit

7

6

5

4

3:0

Table 18. ALERT_STATUS_MASK_CTRL register

Field Name

Reserved

CC_CONNECTION_STATUS_AL_MASK

MONITORING_STATUS_AL_MASK

HW_FAULT_STATUS_AL_MASK

Reserved

Reset

1b

1b (NVM)

1b (NVM)

1b (NVM)

1111b

Description

Do not use

0b: interrupt unmasked

1b: interrupt masked

0b: interrupt unmasked

1b: interrupt masked

0b: interrupt unmasked

1b: interrupt masked

Do not use

The condition to generate an active-low ALERT signal is:

[ALERT_STATUS bitwise AND (NOT ALERT_STATUS_MASK)] <> 0

CC_CONNECTION_STATUS_TRANS

Address : 0Dh

Access : RC

This register indicates a bit value change has occurred in CC_CONNECTION_STATUS register.

Bit

7:1

0

Table 19. CC_CONNECTION_STATUS_TRANS register

Field name

Reserved

CC_ATTACH_TRANS

Reset Description

0000000b Do not use

0b

0b: cleared

1b: transition occurred on CC_ATTACH bit

DS11503 - Rev 4 page 22/66

STUSB1600

Register description

5.1.4

Note:

CC_CONNECTION_STATUS

Address : 0Eh

Access : RO

This register gives the connection state of the CC pins and on associated operating modes of the device.

Bit

7:5

4

3

2

1

0

Field name

Reserved

Table 20. CC_CONNECTION_STATUS register

CC_ATTACHED_MODE

DEVICE_POWER_MODE

CC_POWER_ROLE

CC_VCONN_SUPPLY

CC_ATTACH

Reset

000b

0b (NVM)

0b

0b

0b

0b

Description

000b: no device attached

001b: sink attached

010b: source attached

011b: debug accessory attached

100b: audio accessory attached

101b: do not use

110b: do not use

111b: do not use

0b: operating in normal power mode

1b: operating in standby power mode

0b: operating as a sink

1b: operating as a source

Do not use

0b: V

CONN

is not supplied on CC pin

1b: V

CONN

is supplied on CC pin

0b: not attached

1b: attached

•

•

The DEVICE_POWER_MODE bit indicates the power consumption mode of the device at start-up and during operation:

In normal mode, all the internal circuits are turned on

In standby mode the CC interface and the voltage monitoring blocks remain off until a connection is detected

The standby mode power is disabled by default and can be activated through NVM programming (see

Section

6 Start-up configuration ).

The CC_POWER_ROLE bit is relevant only when a connection is established and the device is attached.

DS11503 - Rev 4 page 23/66

STUSB1600

Register description

5.1.5

Note:

5.1.6

Note:

MONITORING_STATUS_TRANS

Address: 0Fh

Access : RC

This register indicates a bit value change has occurred in MONITORING_STATUS register.

Bit

7:4

3

2

1

0

Table 21. MONITORING_STATUS_TRANS register

Field name

Reserved

VBUS_VALID_TRANS

VBUS_VSAFE0V_TRANS

VBUS_PRESENCE_TRANS

VCONN_PRESENCE_TRANS

Reset

0000b

0b

0b

0b

0b

Description

Do not use

0b: cleared

1b: transition occured on VBUS_VALID bit

0b: cleared

1b: transition occured on VBUS_VSAFE0V bit

0b: cleared

1b: transition occured on VBUS_PRESENCE bit

0b: cleared

1b: transition occured on VCONN_PRESENCE bit

MONITORING_STATUS

Address: 10h

Access: RO

This register gives the current status of V

BUS

and V

CONN

voltage monitoring done respectively on

VBUS_SENSE pin and VCONN pin.

Bit

7:4

3

2

1

0

Field name

Reserved

VBUS_VALID

VBUS_VSAFE0V

Table 22. MONITORING_STATUS register

VBUS_PRESENCE

VCONN_PRESENCE

Reset

0000b

0b

1b

0b

0b or 1b

Description

Do not use

0b: V

BUS

is outside valid V

BUS

voltage range

1b: V

BUS

is within valid V

BUS

voltage range

0b: V

BUS

is above V

BUS

VSafe0V threshold

1b: V

BUS

is below V

BUS

VSafe0V threshold

0b: V

BUS

is below V

BUS

UVLO threshold

1b: V

BUS

is above V

BUS

UVLO threshold

0b: V

CONN

is below V

CONN

UVLO threshold

1b: V

CONN is above V

CONN

UVLO threshold

The default value of valid V

BUS

voltage range can be changed in VBUS_MONITORING_RANGE_CTRL register during the operation.

V

BUS

vSafe0V threshold is defined in VBUS_MONITORING_CTRL register. It is used in source power role as a

Type-C FSM condition to establish a valid device attachment.

V

BUS

UVLO threshold is set by hardware.

V

CONN

UVLO threshold is defined in VCONN_MONITORING_CTRL register.

DS11503 - Rev 4 page 24/66

STUSB1600

Register description

The reset value of VCONN_PRESENCE bit is:

• 0b when V

CONN

is not supplied on VCONN pin, or when V

CONN

is supplied and voltage level is below UVLO threshold, or when V

CONN

threshold detection circuit is disabled.

• 1b when V

CONN

is supplied on VCONN pin and the voltage level is above UVLO threshold.

See

Section 8.3 Electrical and timing characteristics

for the threshold voltage description and value on

VBUS_SENSE and VCONN pins.

DS11503 - Rev 4 page 25/66

STUSB1600

Register description

5.1.7

Note:

CC_OPERATION_STATUS

Address: 11h

Access: RO

This register gives the current status of the device operating modes with respect to the Type-C FSM states as defined in the USB Type-C standard specification. This status is informative only and is not used to trigger any alert.

Bit

7

6:5

Field name

Table 23. CC_OPERATION_STATUS register

CC_PIN_ATTACHED

SINK_POWER_STATE

Reset

0b

00b

Description

0b: CC1 is attached

1b: CC2 is attached

00b: PowerDefault.SNK (source supplies default USB current)

01b: Power1.5.SNK (source supplies 1.5 A USB Type-C current)

10b: Power3.0.SNK (source supplies 3.0 A USB Type-C current)

11b: do not use

DS11503 - Rev 4 page 26/66

DS11503 - Rev 4

STUSB1600

Register description

Bit

4:0

Field name

TYPEC_FSM_STATE

Reset

00h or

08h

Description

00h: Unattached.SNK

01h: AttachWait.SNK

02h: Attached.SNK

03h: DebugAccessory.SNK

04h: reserved

05h: reserved

06h: reserved

07h: TryWait.SNK

08h: Unattached.SRC

09h: AttachWait.SRC

0Ah: Attached.SRC

0Bh: reserved

0Ch: Try.SRC

0Dh: Unattached.Accessory

0Eh: AttachWait.Accessory

0Fh: AudioAccessory

10h: UnorientedDebugAccessory.SRC

11h: reserved

12h: reserved

13h: ErrorRecovery

14h: TryDebounce.SNK (intermediate state towards Try.SNK

state)

15h: Try.SNK

16h: reserved

17h: TryWait.SRC

18h: UnattachedWait.SRC (V

CONN

intermediate discharge state)

19h: OrientedDebugAccessory.SRC

1Ah: reserved

1Bh: reserved

1Ch: reserved

1Dh: reserved

1Eh: reserved

1Fh: reserved

The reset value of TYPEC_FSM_STATE bits is:

•

•

00h when device operates in sink power role (Unattached.SNK)

08h when device operates in source power role (Unattached.SRC)

The CC_PIN_ATTACHED bit indicates which CC pin is connected to the CC line. Its value is consistent with the logic level of the A_B_SIDE output pin providing cable orientation.

The SINK_POWER_STATE bits indicate the current level advertised by the source that the sink can consume when the device works in sink power role.

The TYPEC_FSM_STATE bits indicate the current state of the Type-C FSM corresponding to the power mode defined in CC_POWER_MODE_CTRL register.

page 27/66

STUSB1600

Register description

5.1.8

Note:

Bit

7

6

5

4

3

2

HW_FAULT_STATUS_TRANS

Address: 12h

Access : RC

This register indicates a bit value change has occurred in HW_FAULT_STATUS register. It also alerts when the overtemperature condition is met.

1

0

Table 24. HW_FAULT_STATUS_TRANS register

Field name

THERMAL_FAULT

Reserved

VPU_OVP_FAULT_TRANS

VPU_VALID_TRANS

Reserved

VCONN_SW_RVP_FAULT_TRANS

VCONN_SW_OCP_FAULT_TRANS

VCONN_SW_OVP_FAULT_TRANS

Reset

0b

0b

0b

0b

0b

0b

0b

0b

Description

0b: cleared

1b: junction temperature is above temperature threshold of 145° C

Do not use

0b: cleared

1b: transition occured on VPU_OVP_FAULT bit

0b: cleared

1b: transition occured on VPU_VALID bit

Do not use

0b: cleared

1b: transition occured on VCONN_SW_RVP_FAULT bits

0b: cleared

1b: transition occured on VCONN_SW_OCP_FAULT bits

0b: cleared

1b: transition occured on VCONN_SW_OVP_FAULT bits

DS11503 - Rev 4 page 28/66

STUSB1600

Register description

5.1.9

Note:

HW_FAULT_STATUS

Address: 13h

Access : RO

This register provides information on hardware fault conditions related to the internal pull-up voltage in source power role and to the V

CONN

power switches.

Bit

7

6

5

4

3

2

1

0

Field name

VPU_OVP_FAULT

VPU_VALID

Table 25. HW_FAULT_STATUS register

VCONN_SW_RVP_FAULT_CC1

VCONN_SW_RVP_FAULT_CC2

VCONN_SW_OCP_FAULT_CC1

VCONN_SW_OCP_FAULT_CC2

VCONN_SW_OVP_FAULT_CC1

VCONN_SW_OVP_FAULT_CC2

Reset

0b

1b

0b

0b

0b

0b

0b

0b

Description

0b: voltage on CC pins is below OVP threshold of 6.0 V

1b: voltage on CC pins is above OVP threshold of 6.0 V

0b: pull-up voltage on CC pins is below UVLO threshold of

2.8 V

1b: pull-up voltage on CC pins is above UVLO threshold of

2.8 V (safe condition)

0b: no reverse voltage on V

CONN to CC1

power switch connected

1b: reverse voltage detected on V

CONN connected to CC1

power switch

0b: no reverse voltage on V

CONN

power switch connected to CC2

1b: reverse voltage detected on V

CONN connected to CC2

power switch

0b: no short-circuit or overcurrent on V

CONN

power switch connected to CC1

1b: short-circuit or overcurrent detected on V

CONN switch connected to CC1

power

0b: no short-circuit or overcurrent on V

CONN connected to CC2

power switch

1b: short-circuit or overcurrent detected on V

CONN switch connected to CC2

power

0b: no overvoltage on V

CONN

power switch connected to

CC1

1b: overvoltage detected on V

CONN connected to CC1

power switch

0b: no overvoltage on V

CONN

power switch connected to

CC2

1b: overvoltage detected on V

CONN connected to CC2

power switch

5.1.10

Note:

The VPU_VALID and VPU_OVP_FAULT bits are related to the internal pull-up voltage applied on the CC pins when the device works in source power role. They inform about an internal supply issue that could prevent the device from detecting a valid connection to a distant device.

CC_CAPABILITY_CTRL

Address: 18h

Access : R/W

When operating in source power role, this register allows the advertising of the current capability to be changed as defined in the USB Type-C standard specification and the V

CONN

supply capability.

DS11503 - Rev 4 page 29/66

STUSB1600

Register description

5.1.11

Note:

5.1.12

Note:

Bit

7:6

5

4

3:1

0

Field name

Table 26. CC_CAPABILITY_CTRL register

CC_CURRENT_ADVERTISED

Reserved

CC_VCONN_DISCHARGE_EN

Reserved

CC_VCONN_SUPPLY_EN

Reset

01b (NVM)

1b

0b (NVM)

000b

1b (NVM)

Description

00b: default USB current (500 mA or 900 mA)

01b: 1.5 A USB Type-C current

10b: 3.0 A USB Type-C current

11b: do not use

Do not use

0b: V

CONN

discharge disabled on CC pin

1b: V

CONN

discharge enabled for 250 ms on CC pin

Do not use

0b: V

CONN

supply capability disabled on CC pin

1b: V

CONN

supply capability enabled on CC pin

CC_VCONN_SWITCH_CTRL

Address: 1Eh

Access : R/W

This register allows the default current limit of the power switches supplying V

CONN

on the CC pins to be changed.

Bit

7:4

3:0

Field name

Reserved

Table 27. CC_VCONN_SWITCH_CTRL register

CC_VCONN_SWITCH_ILIM

Reset

0000b

0000b (NVM)

Do not use

0000b: 350 mA (default)

0001b: 300 mA

0010b: 250 mA

0011b: 200 mA

0100b: 150 mA

0101b: 100 mA

0110b: 400 mA

0111b: 450 mA

1000b: 500 mA

1001b: 550 mA

1010b: 600 mA

Description

VCONN_MONITORING_CTRL

Address: 20h

Access : R/W

This register allows the default voltage monitoring conditions for V

CONN

to be modified.

Bit

7

Table 28. VCONN_MONITORING_CTRL register

Field name

VCONN_MONITORING_EN

Reset

1b

Description

0b: disables UVLO threshold detection on VCONN pin

1b: enables UVLO threshold detection on VCONN pin

DS11503 - Rev 4 page 30/66

STUSB1600

Register description

Bit

6

5

4

3:0

Field name

VCONN_UVLO_THRESHOLD

Reserved

Reserved

Reserved

Reset

0b

1b

0b

0000b

Description

0b: selects high UVLO threshold (default)

1b: selects low UVLO threshold (case where V

CONN

-powered accessories operate down to 2.7 V)

Do not use

Do not use

Do not use

Disabling the UVLO threshold detection on VCONN pin deactivates the V

CONN

VCONN_PRESENCE bit to 0b in the MONITORING_STATUS register.

power path and sets

See

Section 8.3 Electrical and timing characteristics

for the threshold voltage description and value on VCONN pin.

DS11503 - Rev 4 page 31/66

STUSB1600

Register description

5.1.13

Note:

VBUS_MONITORING_RANGE_CTRL

Address: 22h

Access : R/W

This register allows the low and high limits of the V

BUS

monitoring voltage range to be changed during attachment.

Bit

7:4

3:0

Table 29. VBUS_MONITORING_RANGE_CTRL register

Field name

SHIFT_HIGH_VBUS_LIMIT

SHIFT_LOW_VBUS_LIMIT

Reset

0000b (NVM)

0000b (NVM)

Description

Binary coded V

SHUSBH

coefficient to shift up the nominal high voltage limit from 1% (0001b) to 15% (1111b) of V

BUS

voltage by step of 1%

Binary coded V

SHUSBL

coefficient to shift down the nominal low voltage limit from 1% (0001b) to 15% (1111b) of V

BUS

voltage by step of 1%

5.1.14

Note:

V

BUS

voltage is fixed at 5.0 V. The nominal values of the high and low limits of V

BUS

monitoring voltage range are respectively V

BUS

+5% and V

BUS

-5%. Each coefficient V

SHUSBH

and V

SHUSBL

represents the fraction of V

BUS voltage that is either added or subtracted to the nominal value of the corresponding limit to determine the V

BUS

monitoring voltage limits (see Section 8.3 Electrical and timing characteristics

).

When STUSB1600 is in unattached state, the register takes the reset values. When a device is attached, the

register takes the values set in the NVM (see Section 6 Start-up configuration ) or those set by software during

attachment.

The register is valid for both power role. Depending on whether the device operates in source power role or sink power role, the register takes the values set in the NVM related to the running power role.

RESET_CTRL

Address: 23h

Access : R/W

This register allows the device to be reset by software.

Bit #

7:1

0

Field Name

Reserved

SW_RESET_EN

Table 30. RESET_CTRL register

Reset Description

0000000b Do not use

0b

0b: device reset is performed by hardware RESET pin

1b: forces the device reset as long as this bit value is set

5.1.15

Note:

The SW_RESET_EN bit acts as the hardware RESET pin except that I 2 C control registers are not reset to their default value. They keep the last changed value. The SW_RESET_EN bit does not command the RESET pin.

VBUS_DISCHARGE_TIME_CTRL

Address: 25h

Access : R/W

This register contains the parameter used to define the V

BUS

discharge time when the internal V

BUS

discharge path is activated on VBUS_SENSE pin.

DS11503 - Rev 4 page 32/66

STUSB1600

Register description

5.1.16

Note:

5.1.17

Note:

Bit

7:4

Table 31. VBUS_DISCHARGE_TIME_CTRL register

Field name

VBUS_DISCHARGE_TIME_TO_0V

Reserved

Reset

0110b (NVM)

1111b

Description

Binary coded T

DISPARAM

coefficient used to compute the V

BUS

discharge time to 0 V: T

DISUSB

=84 ms

(typical) * T

DISPARAM

Do not use 3:0

VBUS_DISCHARGE_STATUS

Address: 26h

Access : RO

This register gives information during the operation on the activation state of the internal V

BUS

discharge path on

VBUS_SENSE pin.

Bit

7

Reserved

Table 32. VBUS_DISCHARGE_STATUS register

Field name

VBUS_DISCHARGE_EN

Reset

0b

Description

0b: V

BUS

discharge path is deactivated

1b: V

BUS

discharge path is activated

0000000b Do not use 6:1

VBUS_ENABLE_STATUS

Address: 27h

Access : R0

This register gives some information during operations on the activation state of the V

BUS

power path through

VBUS_EN_SRC pin in source power role and VBUS_EN_SNK pin in sink power role.

Bit

7:2

1

0

Field name

Reserved

Table 33. VBUS_ENABLE_STATUS register

VBUS_SINK_EN

VBUS_SOURCE_EN

Reset

0b

0b

0b

Description

Do not use

0b: V

BUS

sink power path is disabled

1b: V

BUS

sink power path is enabled

0b: V

BUS

source power path is disabled

1b: V

BUS

source power path is enabled

DS11503 - Rev 4 page 33/66

STUSB1600

Register description

5.1.18

Note:

5.1.19

Note:

CC_POWER_MODE_CTRL

Address: 28h

Access : R/W this register allows the default Type-C power mode to be changed if needed during an operation. It requires that the hardware implementation of the targeted application is consistent with the functioning of the new Type-C power mode selected.

Bit

7:3

2:0

Field name

Reserved

Table 34. CC_POWER_MODE_CTRL register

CC_POWER_MODE

Reset

00000b

011 (NVM)

Description

Do not use

000b: source power role with accessory support

001b: sink power role with accessory support

010b: sink power role without accessory support

011b: dual power role with accessory support

100b: dual power role with accessory and Try.SRC support

101b: dual power role with accessory and Try.SNK support

110b: do not use

111b: do not use

VBUS_MONITORING_CTRL

Address: 2Eh

Access : R/W this register allows the default monitoring conditions of the V

BUS

voltage over the power path from the VDD and

VBUS_SENSE pins to be modified.

Bit

7

6

5

4

3

2:1

0

Reserved

Reserved

Table 35. VBUS_MONITORING_CTRL register

Field name

Reserved

VDD_OVLO_DISABLE

VBUS_VALID_RANGE_DISABLE

VBUS_VSAFE0V_THRESHOLD

VDD_UVLO_DISABLE

Reset

0b

0b (NVM)

0b

0b (NVM)

0b

00b (NVM)

1b (NVM)

Description

Do not use

0b: enables OVLO threshold detection on VDD pin

1b: disables OVLO threshold detection on VDD pin

Do not use

0b: enables valid V

BUS

voltage range detection

1b: disables valid V

BUS

voltage range detection

(V

BUS

UVLO threshold detection used instead)

Do not use

00b : V

BUS

vSafe0V threshold = 0.6 V

01b : V

BUS

vSafe0V threshold = 0.9 V

10b : V

BUS

vSafe0V threshold = 1.2 V

11b : V

BUS

vSafe0V threshold = 1.8 V

0b: enables UVLO threshold detection on VDD pin

1b: disables UVLO threshold detection on VDD pin

DS11503 - Rev 4 page 34/66

STUSB1600

Register description

The VBUS_VALID_RANGE_DISABLE and VBUS_VSAFE0V_THRESHOLD bits define monitoring conditions applicable to VBUS_SENSE pin connected to USB Type-C receptacle side.

The VBUS_VALID_RANGE_DISABLE bit allows the valid V

BUS

voltage range conditions to be substituted by the

V

BUS

UVLO threshold condition to establish a valid device attachment and to assert the V

BUS

power path.

The VBUS_VSAFE0V_THRESHOLD bit indicates the voltage value of the V

BUS

vSafe0V threshold used in source power role as a Type-C FSM condition to establish a valid device attachment.

The VDD_UVLO_DISABLE and VDD_OVLO_DISABLE bit define monitoring conditions applicable to VDD supply pin when it is connected to the main power supply in source power role only:

•

•

When UVLO detection is enabled, VBUS_EN_SRC pin is asserted only if voltage on VDD pin is above

V

DDUVLO

threshold

When OVLO detection is enabled, VBUS_EN_SRC pin is asserted only if voltage on VDD pin is below

V

DDOVLO

threshold

See

Section 8.3 Electrical and timing characteristics

for the threshold voltage description and value on VDD and

VBUS_SENSE pins.

DS11503 - Rev 4 page 35/66

6

6.1

6.2

STUSB1600

Start-up configuration

Start-up configuration

User-defined parameters

The STUSB1600 has a set of user-defined parameters that can be customized by NVM re-programming and/or by software through I 2 C interface. It allows the customer to change the preset configuration of USB Type-C interface and to define a new configuration to meet specific customer requirements addressing various applications, use cases or specific implementations.

The NVM re-programming overrides the initial default setting to define a new default setting that is used at powerup or after a reset. The default value is copied at power-up, or after a reset, from the embedded NVM into dedicated I 2 C register bits (see

Section 5.1 Register description

).

When a default value is changed during functioning by software, the new setting remains in effect as long as the

STUSB1600 operates or when it is changed again. But after power-off and power-up, or after a reset, the

STUSB1600 takes back default values defined in the NVM.

Default start-up configuration

The table below lists the user-defined parameters and indicates the default start-up configuration of the

STUSB1600.

Three types of user-defined parameters are specified in the table with respect to the “Customization type” column:

•

•

SW: indicates parameters that can be customized only by software through I 2 C interface during system operations

NVM: indicates parameters that can be customized by NVM re-programming only

•

•

NVM/SW: indicates parameters that can be customized by NVM re-programming and/or by software through I 2 C interface during system operations

Table 36. STUSB1600 user-defined parameters and default settings

Customization type

NVM / SW

NVM / SW

NVM / SW

NVM

NVM / SW

NVM / SW

NVM / SW

NVM / SW

SW

SW

NVM / SW

NVM / SW

Parameter Default value and description

CC_CONNECTION_STATUS_AL_MASK 1b: interrupt masked

MONITORING_STATUS_AL_MASK 1b: interrupt masked

HW_FAULT_STATUS_AL_MASK 1b: interrupt masked

STANDBY_POWER_MODE_DISABLE 1b: disables standby power mode

CC_CURRENT_ADVERTISED 01b: 1.5 A

CC_VCONN_DISCHARGE_EN

CC_VCONN_SUPPLY_EN

CC_VCONN_SWITCH_ILIM

VCONN_MONITORING_EN

VCONN_UVLO_THRESHOLD

SHIFT_HIGH_VBUS_LIMIT_SOURCE

SHIFT_LOW_VBUS_LIMIT_SOURCE

0b: V

CONN

discharge disabled on CC pin

1b: V

CONN

supply capability enabled on CC pin

0000b: 350 mA

1b: enables UVLO threshold detection on

VCONN pin

0b: high UVLO threshold of 4.65 V

0101b: V

SHUSBH

= 5% of V

BUS

, high voltage limit V

MONUSBH Source

= V

BUS

+10%

0101b: V

SHUSBL

= 5% of V

BUS

, low voltage limit V

MONUSBL Source

= V

BUS

-10%

I 2 C register address

0Ch

0Ch

0Ch n. a.

18h

18h

18h

1Eh

20h

20h

22h

22h

DS11503 - Rev 4 page 36/66

STUSB1600

Default start-up configuration

Customization type

NVM/SW

NVM / SW

SW

NVM / SW

NVM

NVM / SW

NVM / SW

NVM / SW

NVM / SW

NVM / SW

Parameter

SHIFT_HIGH_VBUS_LIMIT_SINK

SHIFT_LOW_VBUS_LIMIT_SINK

SW_RESET_EN

VBUS_DISCHARGE_TIME_TO_0V

VBUS_DISCHARGE_DISABLE

CC_POWER_MODE

VDD_OVLO_DISABLE

VDD_VALID_RANGE_DISABLE

VBUS_VSAFE0V_THRESHOLD

VDD_UVLO_DISABLE

Default value and description

0101b: V

SHUSBH

= 5% of V

BUS

, high voltage limit V

MONUSBH Sink

=

V

BUS

+10%

1111b: V

SHUSBL

= 15% of V

BUS

, low voltage limit V

MONUSBL Sink

= V

BUS

-20%

0b: device reset is performed from hardware

RESET pin

0110b:

TDISPARAM

= 504 ms

= 6, discharge time T

DISUSB

0b: enables V

BUS

discharge path

011b: dual power role with accessory support

0b: enables OVLO threshold detection on

VDD pin

0b: enables valid V

BUS

voltage range detection

00b: V

BUS

vSafe0V threshold = 0.6 V

1b: disables UVLO threshold detection on

VDD pin

I 2 C register address

22h

22h

23h

25h n.a.

28h

2Eh

2Eh

2Eh

2Eh

DS11503 - Rev 4 page 37/66

STUSB1600

Application

7

7.1

7.1.1

7.1.2

Application

The sections below are not part of ST product specifications. They are intended to give a generic application overview to be used by the customer as a starting point for further implementations and customizations. ST does not warrant compliance with customer specifications. Full system implementation and validation are under customer's responsibility.

General information

•

•

•

Power supplies

The STUSB1600 can be supplied in three different ways depending on the targeted application:

Through VDD pin only for applications powered by V

BUS sink power role with dead-battery mode support

only that operate either in source power role or in

Through VSYS pin only for AC-powered applications with a system power supply delivering 3.3 V or 5 V

Through VDD and VSYS pins either for applications powered by a battery with a dead-battery mode support or for applications powered by V

BUS

with a system power supply delivering 3.3 V or 5 V. When both VDD and VSYS power supplies are present, the low power supply VSYS is selected when VSYS voltage is above

3.1 V. Otherwise VDD is selected

Connection to MCU or application processor

The connection to an MCU or an application processor is optional.

When a connection through I²C interface is implemented, it provides extensive functionality during system operations. For instance, it may be used to:

1.

Define the port configuration during system boot (in case the NVM parameters are not customized during manufacturing)

2.

Change the default configuration at any time during operations

3.

Re-configure the port power mode (i.e. source, sink or dual role),

4.

Adjust the port power capability in source power role according to contextual power availability and/or the power partitioning with other ports

5.

Save system power by shutting down the DC-DC converter according to the attachment detection state

6.

Provide a diagnostic of the Type-C connection and the V

BUS

power path in real time

At power-up or after a reset, the first software access to the I 2 C registers of the STUSB1600 can happen only after T

LOAD

as shown in the figure below. T

LOAD

corresponds to the time required to initialize the I²C registers with the default values from the embedded NVM. At power-up, the loading phase starts when the voltage level on the

VREG_2V7 output pin of the 2.7 V internal regulator reaches 2.5 V to release the internal POR signal. After a reset, the loading phase starts when the signal on the RESET pin is released.

Figure 7. I²C register initialization sequence at power-up or after a reset

DS11503 - Rev 4 page 38/66

STUSB1600

USB Type-C typical applications

7.2

7.2.1

7.2.1.1

USB Type-C typical applications

Source type applications

Application schematic

Figure 8. Implementation example in source type application

7.2.1.2

Default start-up configuration

Table 37. Default setting for a source type application

Customization type

NVM /SW

NVM /SW

NVM /SW

NVM

NVM /SW

NVM /SW

NVM /SW

NVM /SW

SW

SW

NVM /SW

Parameter Default value and description

CC_CONNECTION_STATUS_AL_MASK 1b: interrupt masked

MONITORING_STATUS_AL_MASK

HW_FAULT_STATUS_AL_MASK

1b: interrupt masked

1b: interrupt masked

STANDBY_POWER_MODE_DISABLE 1b: disables standby power mode

CC_CURRENT_ADVERTISED 01b: 1.5 A

CC_VCONN_DISCHARGE_EN

CC_VCONN_SUPPLY_EN

CC_VCONN_SWITCH_ILIM

0b: VCONN discharge disabled on CC pin

1b: VCONN supply capability enabled on CC pin

0000b: 350 mA

VCONN_MONITORING_EN

VCONN_UVLO_THRESHOLD

SHIFT_HIGH_VBUS_LIMIT_SOURCE

1b: enables UVLO threshold detection on

VCONN pin

0b: high UVLO threshold of 4.65 V

0101b:

V

SHUSBH

= 5% of V

BUS

, high voltage limit

V

MONUSBH Source

= V

BUS

+10%

I 2 C register address

0Ch

0Ch

0Ch n. a.

18h

18h

18h

1Eh

20h

20h

22h

DS11503 - Rev 4 page 39/66

STUSB1600

USB Type-C typical applications

7.2.1.3

Customization type

NVM /SW

SW

NVM /SW

NVM

NVM /SW

NVM /SW

Parameter

SHIFT_LOW_VBUS_LIMIT_SOURCE

SW_RESET_EN

VBUS_DISCHARGE_TIME_TO_0V

VBUS_DISCHARGE_DISABLE

CC_POWER_MODE

VDD_OVLO_DISABLE

NVM /SW

NVM /SW

NVM /SW

VBUS_VALID_RANGE_DISABLE

VBUS_VSAFE0V_THRESHOLD

VDD_UVLO_DISABLE

1. Indicates parameter customized by NVM re-programming.

V

BUS

power path assertion

Default value and description

0101b: V

SHUSBL

= 5% of V

BUS

, low voltage limit V

MONUSBL Source

= V

BUS

-10%

0b: device reset is performed from hardware

RESET pin

0110b: T

DISPARAM

= 6, discharge time

T

DISUSB

= 504 ms

0b: enables V

BUS

discharge path

000b: source power role with accessory

support (1)

0b: enables OVLO threshold detection on

VDD pin

0b: enables valid V

BUS detection

voltage range

00b : V

BUS

vSafe0V threshold = 0.6 V

1b: disables UVLO threshold detection on

VDD pin

I 2 C register address

22h

23h

25h n. a.

28h

2Eh

2Eh

2Eh

2Eh

Pin

VBUS_EN_SRC

Table 38. Conditions for V

BUS

power path assertion in source power role

Electrical value

0

Type-C attached state

Operation conditions

VDD pin monitoring

Attached.SRC

or

UnorientedDebug

Accessory.SRC

or

OrientedDebug

Accessory.SRC

V

DD

< V

DDOVLO

if

VDD pin is supplied

VBUS_SENSE pin monitoring

V

BUS

is within valid voltage range

Comment

The signal is asserted only if all the valid operation conditions are met

HiZ Any other state

V

DD

> V

DDOVLO

if

VDD pin is supplied

V

BUS

is out of valid voltage range

The signal is deasserted when at least one non-valid operation condition is met.

Device state according to connection state 7.2.1.4

Connection state

CC1 pin

Nothing attached

Open

CC2 pin

Open

Table 39. Source power role with accessory support

Type-C device state

CC_OPERATION_

STATUS register@11h

A_B_SIDE pin

VCONN supply

VBUS_EN_SRC pin

CC_CONNECTION_

STATUS register @0Eh

Unattached.SRC

HiZ OFF HiZ 00h

DS11503 - Rev 4 page 40/66

STUSB1600

USB Type-C typical applications

Connection state

CC1 pin

Sink attached

Powered cable without sink attached

Powered cable with sink attached or Vconnpowered

Accessory attached

Debug accessory mode attached source role

Debug accessory mode attached sink role

Debug accessory mode attached sink role

Audio adapter accessory mode attached

Rd

Open

Open

Ra

Rd

Ra

Rp

Rd

Rd

≤Ra

Ra

CC2 pin

Open

Rd

Ra

Open

Ra

Type-C device state

CC_OPERATION_

STATUS register@11h

A_B_SIDE pin

Attached.SRC

Unattached.SRC

HiZ

0

HiZ

HiZ

HiZ

Rd

Rp

Rd

≤Ra

Rd

Ra

Attached.SRC

Unattached.SRC

UnorientedDebug

Accessory.SRC

OrientedDebug

Accessory.SRC

AudioAccessory

0

HiZ

HiZ

HiZ

0

HiZ

VCONN supply

VBUS_EN_SRC pin

CC_CONNECTION_

STATUS register @0Eh

OFF

OFF

OFF

OFF

CC2

CC1

OFF

OFF

OFF

OFF

OFF

0

0

HiZ

HiZ

0

0

HiZ

0

0

0

HiZ

2Dh

2Dh

00h

00h

2Fh

2Fh

00h

6Dh

6Dh

6Dh

81h

The value of CC1 and CC2 pins is defined from a termination perspective and corresponds to the termination presented by the connected device.

The CC_CONNECTION_STATUS register can report other values than the one presented in this table. This reflects the state transitions in Type-C FSM that can be ignored from the application stand point.

DS11503 - Rev 4 page 41/66

STUSB1600

USB Type-C typical applications

7.2.2

7.2.2.1

Sink type application

Application schematic in sink type

Figure 9. Implementation example in sink type application

Note:

7.2.2.2

The schematic configuration is in dead-battery mode.

Default start-up configuration in sink type

Table 40. Default setting for a sink type application

Customization type

NVM / SW

NVM / SW

NVM / SW

NVM

NVM / SW

NVM / SW

NVM / SW

NVM / SW

SW

SW

NVM / SW

Parameter Default value and description

CC_CONNECTION_STATUS_AL_MASK 1b: interrupt masked

MONITORING_STATUS_AL_MASK 1b: interrupt masked

HW_FAULT_STATUS_AL_MASK 1b: interrupt masked

STANDBY_POWER_MODE_DISABLE 1b: disables standby power mode

CC_CURRENT_ADVERTISED

CC_VCONN_DISCHARGE_EN

CC_VCONN_SUPPLY_EN

CC_VCONN_SWITCH_ILIM

VCONN_MONITORING_EN

VCONN_UVLO_THRESHOLD

SHIFT_HIGH_VBUS_LIMIT_SINK

01b: 1.5 A

0b: VCONN discharge disabled on CC pin

1b: VCONN supply capability enabled on CC pin

0000b: 350 mA

1b: enables UVLO threshold detection on VCONN pin

0b: high UVLO threshold of 4.65 V

0101b: V

SHUSBH

= 5% of V

BUS

, high voltage limit

V

MONUSBH Sink

= V

BUS

+10%

I 2 C register address

0Ch

0Ch

0Ch n. a.

18h

18h

18h

1Eh

20h

20h

22h

DS11503 - Rev 4 page 42/66

STUSB1600

USB Type-C typical applications

7.2.2.3

Customization type

Parameter Default value and description

NVM / SW

SW

NVM / SW

NVM

NVM / SW

NVM / SW

NVM / SW

NVM / SW

NVM / SW

SHIFT_LOW_VBUS_LIMIT_SINK

SW_RESET_EN

VBUS_DISCHARGE_TIME_TO_0V

VBUS_DISCHARGE_DISABLE

CC_POWER_MODE

VDD_OVLO_DISABLE

VBUS_VALID_RANGE_DISABLE

VBUS_VSAFE0V_THRESHOLD

VDD_UVLO_DISABLE

1. Indicates parameter customized by NVM re-programming.

1111b: V

SHUSBL

V

MONUSBL Sink

= 15% of V

BUS

= V

BUS

-20%

, low voltage limit

0b: device reset is performed from hardware

RESET pin

0110b: T

DISPARAM

= 6, discharge time

T

DISUSB

= 504 ms

0b: enables V

BUS

discharge path

001b: sink power role with accessory support (1)

0b: enables OVLO threshold detection on VDD pin

0b: enables valid V

BUS voltage range detection

00b: V

BUS

vSafe0V threshold = 0.6 V

1b: disables UVLO threshold detection on VDD pin

V

BUS

power path assertion in sink power role

I 2 C register address

22h

23h

25h n. a.

28h

2Eh

2Eh

2Eh

2Eh

Pin

VBUS_EN_SNK

Table 41. Conditions for V

BUS

power path assertion in sink power role

Electrical value

Operation conditions

Type-C attached state

VDD pin monitoring

VBUS_SENSE pin monitoring

0

Attached.SNK

or

DebugAccessory.SNK

Not applicable

V

BUS

is within valid voltage range

HiZ Any other state Not applicable

V

BUS

is out of valid voltage range

Comment

The signal is asserted only if all the valid operation conditions are met.

The signal is deasserted when at least one nonvalid operation condition is met.

Device state according to connection state (sink power role) 7.2.2.4

Connection state

CC1 pin

Nothing attached

Open

CC2 pin

Open

Table 42. Sink power role with accessory support

Type-C device state

CC_OPERATION_

STATUS register

@11h

(Toggling)

Unattached.

SNK

Unattached.

ACC

A_B_SIDE pin

HiZ

VCONN supply

OFF

VBUS_EN_SNK pin

HiZ

CC_CONNECTION_

STATUS register @0Eh

00h

DS11503 - Rev 4 page 43/66

STUSB1600

USB Type-C typical applications

Connection state

Source attached

Powered cable without source attached

Debug accessory mode attached sink role

CC1 pin CC2 pin

Rp

Open or

Ra

Open

Open or Ra

Rp

Ra

Ra

Rd

Open

Rd

Type-C device state

CC_OPERATION_

STATUS register

@11h

A_B_SIDE pin

HiZ

Attached.

SNK 0

(Toggling)

Unattached.

SNK

Unattached.

ACC

(Toggling)

Unattached.

SNK

Unattached.

ACC

HiZ

HiZ

HiZ

Debug accessory mode attached source role

Debug accessory mode attached source role

Debug accessory mode attached source role

Debug accessory mode attached source role

Audio adapter accessory mode attached

Rp def/

1.5 A/ 3 A

Rp 3 A

Rp 1.5 A

Rp 1.5 A

Rp def.

Rp 3 A

Rp def.

Ra

Rd

VCONNpowered accessory attached

Ra

Rp def/

1.5A/3A

Rp 1.5 A

Rp 3 A

Rp def.

Rp 1.5 A

Rp def.

Rp 3 A

Ra

Ra

Rd

Debug

Accessory.SNK

(default USB)

Debug

Accessory.SNK

(Default USB)

Debug

Accessory.SNK

(1.5 A)

Debug

Accessory.SNK

(3.0 A)

Audio accessory

(Toggling)

Unattached.

SNK

Unattached.

ACC

HiZ

HiZ

0

HiZ

0

HiZ

0

HiZ

HiZ

HiZ

VCONN supply

VBUS_EN_SNK pin

CC_CONNECTION_

STATUS register @0Eh

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

0

0

HiZ

HiZ

HiZ

0

0

0

0

HiZ

HiZ

HiZ

41h

41h

00h

00h

00h

61h

61h

61h

61h

61h

61h

61h

81h

00h

00h

The value of CC1 and CC2 pins is defined from a termination perspective and corresponds to the termination presented by the connected device.

The CC_CONNECTION_STATUS register can report other values than the one presented inside this table. This reflects the state transitions in Type-C FSM that can be ignored from the application stand point.

DS11503 - Rev 4 page 44/66

STUSB1600

USB Type-C typical applications

7.2.3

7.2.3.1

Dual role type application

Application schematic in dual role type

Figure 10. Implementation example in dual role type application

Note: The schematic configuration in dead-battery mode.

DS11503 - Rev 4 page 45/66

STUSB1600

USB Type-C typical applications

7.2.3.2

Default start-up configuration in dual role type application

Table 43. Default setting for a dual role type application

Customization type

NVM / SW

NVM / SW

NVM / SW

NVM

NVM / SW

NVM / SW

NVM / SW

NVM / SW

SW

SW

NVM / SW

NVM / SW

NVM / SW

NVM / SW

SW

NVM / SW

NVM

NVM / SW

NVM / SW

NVM / SW

NVM / SW

NVM / SW

Parameter Default value and description

CC_CONNECTION_STATUS_AL_MASK 1b: interrupt masked

MONITORING_STATUS_AL_MASK 1b: interrupt masked

HW_FAULT_STATUS_AL_MASK 1b: interrupt masked

STANDBY_POWER_MODE_DISABLE 1b: disables standby power mode

CC_CURRENT_ADVERTISED

CC_VCONN_DISCHARGE_EN

CC_VCONN_SUPPLY_EN

CC_VCONN_SWITCH_ILIM

01b: 1.5 A

0b: VCONN discharge disabled on CC pin

1b: VCONN supply capability enabled on CC pin

0000b: 350 mA

VCONN_MONITORING_EN

VCONN_UVLO_THRESHOLD

SHIFT_HIGH_VBUS_LIMIT_SOURCE

SHIFT_LOW_VBUS_LIMIT_SOURCE

SHIFT_HIGH_VBUS_LIMIT_SINK

SHIFT_LOW_VBUS_LIMIT_SINK

SW_RESET_EN

VBUS_DISCHARGE_TIME_TO_0V

VBUS_DISCHARGE_DISABLE

CC_POWER_MODE

VDD_OVLO_DISABLE

VBUS_VALID_RANGE_DISABLE

VBUS_VSAFE0V_THRESHOLD

VDD_UVLO_DISABLE

1b: enables UVLO threshold detection on

VCONN pin

0b: high UVLO threshold of 4.65 V

0101b: V

SHUSBH

= 5% of V

BUS

, high voltage limit V

MONUSBH Source

= V

BUS

+10%

0101b: V

SHUSBL

= 5% of V

BUS limit V

MONUSBL Source

= V

BUS

, low voltage

-10%

0101b: V

SHUSBH

= 5% of V

BUS

, high voltage limit V

MONUSBH Sink

= V

BUS

+10%

1111b: V

SHUSBL

= 15% of V

BUS

, low voltage limit V

MONUSBL Sink

= V

BUS

-20%

0b: device reset is performed from hardware

RESET pin

0110b:T

DISPARAM

= 6, discharge time

T

DISUSB

= 504 ms

0b: enables V

BUS

discharge path

011b: dual power role with accessory support

0b: enables OVLO threshold detection on

VDD pin

0b: enables valid V

BUS detection voltage range

00b : V

BUS

vSafe0V threshold = 0.6 V

1b: disables UVLO threshold detection on

VDD pin

I 2 C register address

0Ch

0Ch

0Ch n. a.

18h

18h

18h

1Eh

20h

20h

22h

22h

22h

22h

23h

25h n. a.

28h

2Eh

2Eh

2Eh

2Eh

DS11503 - Rev 4 page 46/66

STUSB1600

USB Type-C typical applications

7.2.3.3

V

BUS

power path assertion in dual role

Pin

VBUS_EN_SRC

Table 44. Conditions for V

BUS

power path assertion in source power role

Electrical value

0

Type-C attached state

Operation conditions

VDD pin monitoring

Attached.SRC

or

UnorientedDebug

Accessory.SRC

or

OrientedDebug

Accessory.SRC

V

DD

< V

DDOVLO if VDD pin is supplied

VBUS_SENSE pin monitoring

V

BUS

within valid voltage range

Comment

The signal is asserted only if all the valid operation conditions are met

HiZ Any other state

VDD > V

DDOVLO if VDD pin is supplied

V

BUS

is out of valid voltage range

The signal is deasserted when at least one non-valid operation condition is met

Pin

VBUS_EN_SNK

Table 45. Conditions for V

BUS

power path assertion in sink power role

Electrical value

0

Type-C attached state

Attached.SNK

or

Debug

Accessory.SNK

Operation conditions

VDD pin monitoring

VBUS_SENSE pin monitoring

Not applicable

V

BUS

is within valid voltage range

Comment

The signal is asserted only if all the valid operation conditions are met

HiZ Any other state Not applicable

V

BUS

is out of valid voltage range

The signal is deasserted when at least one non-valid operation condition is met

DS11503 - Rev 4 page 47/66

STUSB1600

USB Type-C typical applications

7.2.3.4

Device state according to connection state (dual role)

Table 46. Dual power role with accessory support

Connect.

state

Nothing attached

CC1 pin

Open

CC2 pin

Open

Type-C device state

CC_

OPERAT_

STATUS register @11h

(Toggling)

Unattached.SRC

Unattached.SNK

Attached.

SRC

Sink attached

Rd

Open

Open

Open

Rd

Ra Powered cable without sink or source attached

Powered cable with sink attached or

V

CONN powered accessory attached

Debug accessory mode attached sink role

Debug accessory mode attached sink role

Audio adapter accessory mode attached

Ra

Rd

Ra

Rd

Rd

≤Ra

Ra

Open

Ra

Rd

Rd

≤Ra

Rd

Ra

Source attached

Debug accessory mode attached source role

Rp

Open or

Ra

Open or

Ra

Rp

Rp def/

1.5 A/3 A

Rp def/

1.5 A/3 A

Rp 3 A Rp 1.5 A

Rp 1.5 A Rp 3 A

(Toggling)

Unattached.SRC

Unattached.SNK

Attached.

SRC

UnorientedDebug

Accessory.SRC

Oriented

Debug

Accessory.SRC

Audio

Accessory

Attached.

SNK

Debug

Accessory.SNK

(default USB)

A_B_SIDE pin

HiZ

HiZ

0

HiZ

HiZ

HiZ

0

HiZ

HiZ

0

HiZ

HiZ

0

HiZ

HiZ

0

VCONN supply

VBUS_EN_SRC pin

VBUS_EN_SNK pin

CC_CONNECTION_

STATUS register @0Eh

OFF

OFF

OFF

OFF

OFF

CC2

CC1

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

Hiz

0

0

HiZ

HiZ

0

0

0

0

0

HiZ

HiZ

HiZ

HiZ

HiZ

HiZ

HiZ

HiZ

HiZ

HiZ

HiZ

HiZ

HiZ

Hiz

HiZ

HiZ

HiZ

0

0

0

0

0

00h

2Dh

2Dh

00h

00h

2Fh

2Fh

6Dh

6Dh

6Dh

81h

41h

41h

61h

61h

61h

DS11503 - Rev 4 page 48/66

STUSB1600

USB Type-C typical applications

Connect.

state

CC1 pin CC2 pin

Debug accessory mode attached source role

Debug accessory mode attached source role

Rp 1.5 A Rp def.

Rp def

Rp 3 A

Rp def.

Rp 1.5 A

Rp def.

Rp 3 A

Type-C device state

CC_

OPERAT_

STATUS register @11h

Debug

Accessory.SNK

(1.5 A)

Debug

Accessory.SNK

(3.0 A)

A_B_SIDE pin

VCONN supply

VBUS_EN_SRC pin

VBUS_EN_SNK pin

CC_CONNECTION_

STATUS register @0Eh

HiZ

0

HiZ

0

OFF

OFF

OFF

OFF

HiZ

HiZ

HiZ

HiZ

0

0

0

0

61h

61h

61h

61h

The value of CC1 and CC2 pins is defined from a termination perspective and corresponds to the termination presented by the connected device.

The CC_CONNECTION_STATUS register can report other values than the one presented inside this table. This reflects the state transitions in Type-C FSM that can be ignored from the application stand point.

DS11503 - Rev 4 page 49/66

STUSB1600

Electrical characteristics

8

8.1

Electrical characteristics

Absolute maximum ratings

All voltages are referenced to GND.

Symbol

V

DD

V

SYS

V

CC1,

V

CC2

V

CC1DB,

V

CC2DB

V

VBUS_EN_SRC

V

VBUS_EN_SNK

V

VBUS_SENSE

V

SCL,

V

SDA

V

ALERT#

V

RESET

V

ATTACH

V

A_B_SIDE

V

BUS_VALID

V

DEBUG1

V

DEBUG2

V

CONN

T

STG

T

J

ESD

Table 47. Absolute maximum ratings

Parameter

Supply voltage on VDD pin

Supply voltage on VSYS pin

High voltage on CC pins

High voltage on V

BUS

pins

Operating voltage on I/O pins

V

CONN

voltage

Storage temperature

Maximum junction temperature

HBM

CDM

Value

28

6

22

28

-0.3 to 6

Unit

V

6

-55 to 150

145

4

1.5

°C kV

DS11503 - Rev 4 page 50/66

STUSB1600

Operating conditions

8.2

Operating conditions

Symbol

V

DD

V

SYS

V

CC1,

V

CC2

V

CC1DB,

V

CC2DB

V

VBUS_EN_SRC

V

VBUS_EN_SNK

V

VBUS_SENSE

V

SCL,

V

SDA

V

ALERT#

V

RESET

V

ATTACH

V

A_B_SIDE

V

VBUS_VALID

V

DEBUG1

V

DEBUG2

V

CONN

I

CONN

T

A

Table 48. Operating conditions

Parameter

Supply voltage on VDD pin

Supply voltage on VSYS pin

CC pins

High voltage pins

Operating voltage on I/O pins

V

CONN

voltage

V

CONN

rated current (default = 0.35 A)

Operating temperature

Value

4.1 to 22

3.0 to 5.5

0 to 5.5

0 to 22

Unit

V

0 to 4.5

2.7 to 5.5

0.1 to 0.6

-40 to 105

A

°C

DS11503 - Rev 4 page 51/66

8.3

STUSB1600

Electrical and timing characteristics

Electrical and timing characteristics

Unless otherwise specified: V

DD

= 5 V, T

A

= 25 °C, all voltages are referred to GND.

Symbol

I

DD(SRC)

I

DD (SNK)

I

STDBY

T

LOAD

I

P-USB

I

P-1.5

I

P-3.0

V

CCO

R d

V

CCDB-1.5

V

CCDB-3.0

R

INCC

Table 49. Electrical characteristics

Parameter

Current consumption

Current consumption

Standby current consumption

Conditions

Device idle as a SOURCE (not connected, no communication)

V

SYS

@ 3.3 V

Device idle as a SOURCE (not connected, no communication)

V

DD

@ 5.0 V

Device idle as a SINK (not connected, no communication)

V

SYS

@ 3.3 V

Device idle as a SINK (not connected, no communication)

V

DD

@ 5.0 V

Device standby (not connected, low power)

V

SYS

@ 3.3 V

Device standby (not connected, low power)

V

DD

@ 5.0 V

I 2 C registers loading time from NVM at power-up after a reset

CC1 and CC2 pins

Min.

CC current sources

CC pin voltage V

CC

= 0 to 2.6 V,

40 °C < T

A

< +105 °C

-20%

-8%

-8%

CC open pin voltage

CC unconnected, V

DD

= 3.0 to

5.5 V

2.75

CC pull-down resistors

-40 °C < T

A

< +105 °C -10%

CC pin voltage in dead battery condition

CC input impedance

External I

P

CC

= 180 μA applied into

External I

P

CC

= 330 μA applied into

V

DD

= 0 V, dead-battery function enabled

Pull-up and pull-down resistors off

200

Typ.

158

188

113

140

33

53

80

180

330

5.1

Max.

Unit

µA

30 ms

+20%

+8%

+8%

µA

V kΩ +10%

1.2

V

2.0

kΩ

DS11503 - Rev 4 page 52/66

DS11503 - Rev 4

STUSB1600

Electrical and timing characteristics

I

V

V

V

V

V

V

V

R

TH0.2

TH0.4

TH0.66

TH0.8

TH1.23

TH1.6

TH2.6

VCONN

OCP

V

V

V

V

V

V

Symbol

OVP

UVP

DDOVLO

DDUVLO

THUSB

TH0V

V

Overvoltage protection on CC output pins

Undervoltage protection on

VCONN input pin

V

BUS

presence threshold

Low UVLO threshold

High UVLO threshold (default)

V

SYS

= 3.0 to 5.5 V

5.9

2.6

4.6

Overvoltage lockout

Undervoltage lockout

VDD pin monitoring (source power role)

OVLO threshold detection enabled, VDD pin supplied

5.8

UVLO threshold detection enabled, VDD pin supplied

3.8

VBUS_SENSE pin monitoring and driving

3.8

V

BUS

Parameter

Detection threshold 1

Detection threshold 2

Detection threshold 3

Detection threshold 4

Detection threshold 5

Detection threshold 6

Detection threshold 7

CONN

path resistance

Overcurrent protection

safe 0 V threshold (vSafe0V)

Conditions

Max. R a

detection by source at

I

P

= I

P -USB

, min. I

P_USB

detection by sink on

R d

, min. CC voltage for connected sink

Max. R a

detection by source at

I

P

= I

P-1.5

Min. I

P_1.5

detection by sink on

R d

Min.

0.15

0.35

0.61

Max. R a

detection by source at

I

P

= I

P-3.0

Min. I

P_3.0

detection by sink on

R d

Max. R d

detection by source at

I

P

= I

P-USB

and I

P

= I

P-1.5

Max. R d

detection by source at

I

P-3.0

, max. CC voltage for connected sink

0.75

1.16

1.50

2.45

VCONN pin and power switches

I

VCONN

= 0.2 A

-40 °C < T

A

< +105 °C

0.25

Programmable current limit threshold (from 100 mA to 600 mA by step of 50 mA)

85

300

550

V

SYS

= 3.0 to 5.5 V

The threshold is programmable from 0.6 V to 1.8 V.

Default V

THOV

= 0.6 V

0.5

0.8

1.1

1.7

Typ.

0.20

2.60

6

2.65

4.65

0.5

100

350

600

6.0

3.9

0.40

0.66

0.80

1.23

1.60

3.9

0.6

0.9

1.2

1.8

Max.

Unit

0.25

0.45

0.70

0.85

1.31

1.65

2.75

V

V

6.1

2.7

4.8

0.975

125

400

650

Ω mA

V

V

6.2

4.0

V

4.0

0.7

1.0

1.3

1.9

V

V

V

V

V

V page 53/66

DS11503 - Rev 4

STUSB1600

Electrical and timing characteristics

Symbol Parameter Conditions Min.

Typ.

Max.

R

DISUSB

V

BUS

discharge resistor

600 700 800

T

V

DISUSB

MONUSBH

V

BUS to 0 V

V

BUS

discharge time

monitoring high threshold voltage

The coefficient T

DISPARAM

is programmable by NVM default T

DISPARAM

= 6,

T

DISUSB

= 504 ms

Coefficient V

SHUSBH programmable by NVM from

1% to 15% of V

BUS

by step of

1%, default

V

MONUSBH source/sink = V

BUS

+10%

T

70*

DISPARAM

T

V

+V

84*

DISPARAM

BUS

+5%

SHUSBH

T

100*

DISPARAM

V

MONUSBL

V

BUS

monitoring low threshold voltage

Coefficient V

SHUSBL programmable by NVM from 1% to 15% of V

BUS

by step of

1%, default

V

MONUSBL Source

= V

BUS

-10%

V

MONUSBL Sink

= V

BUS

-20%

V

V

BUS

-5%-

SHUSBL

Digital input/output (SCL, SDA, ALERT#, RESET, ATTACH, A_B_SIDE, VBUS_VALID, DEBUG1, DEBUG2)

V

V

V

V

IH

IL

OL

OL

High level input voltage

Low level input voltage

Ioh = 3 mA

1.2

Low level output voltage

Ioh = 3 mA

20 V open-drain outputs (VBUS_EN_SRC, VBUS_EN_SNK)

Low level output voltage

0.35

0.4

0.4

Unit

Ω ms

V

V

V

V

V

V page 54/66

9

9.1

STUSB1600

Package information

Package information

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK ® packages, depending on their level of environmental compliance. ECOPACK ® specifications, grade definitions and product status are available at: www.st.com. ECOPACK ® is an ST trademark.

QFN-24 EP - pitch 0.50 mm - (4 x 4 mm) package information

Figure 11. QFN-24 EP 4x4 mm package outline

DS11503 - Rev 4 page 55/66

Symbol

K

L

E2 e

A

A1 b

D

D2

E

STUSB1600

Thermal information

Table 50. QFN24-EP 4x4 mm package mechanical data

Min.

0.80

0.00

0.18

3.95

2.55

3.95

2.55

0.45

0.15

0.30

0.25

4.00

2.70

4.00

mm

Typ.

0.90

0.02

2.70

0.50

-

0.40

Max.

1.00

0.05

0.30

4.05

2.80

4.05

2.80

0.55

-

0.50

Min.

0.031

0.000

0.007

0.156

0.100

0.156

0.100

0.018

0.006

0.0012

Inches

Typ.

0.035

0.001

0.010

0.157

0.106

0.157

0.106

0.020

-

0.0016

Figure 12. QFN24 EP 4x4 mm recommended footprint

Max.

0.039

0.002

0.012

0.159

0.110

0.159

0.110

0.022

-

0.020

9.2

Thermal information

Symbol

R

θJA

R

θJC

Table 51. Thermal information

Parameter

Junction-to-ambient thermal resistance

Junction-to-case thermal resistance

Value

37

5

Unit

°C/W

°C/W

DS11503 - Rev 4 page 56/66

10

STUSB1600

Terms and abbreviations

Terms and abbreviations

Term

Accessory modes

DFP

DRP

Sink

Source

UFP

Table 52. List of terms and abbreviations

Description

Audio adapter accessory mode. It is defined by the presence of Ra/Ra on CC1/CC2 pins.

Debug accessory mode. It is defined by the presence of Rd/Rd on CC1/CC2 pins in source power role or

Rp/Rp on CC1/CC2 pins in sink power role

Downstream facing port, specifically associated with the flow of data in a USB connection. Typically the ports on a host or the ports on a hub to which devices are connected. In its initial state, the DFP sources V

BUS

and

V

CONN

, and supports data

Dual-role port. A port that can operate as either a source or a sink. The port role may be changed dynamically

Port asserting Rd on CC pins and consuming power from V

BUS

; most commonly a device

Port asserting Rp on CC pins and providing power over V

BUS

; most commonly a host or hub DFP

Upstream facing port, specifically associated with the flow of data in a USB connection. The port on a device or a hub that connects to a host or the DFP of a hub. In its initial state, the UFP sinks V

BUS

and supports data

DS11503 - Rev 4 page 57/66

11

STUSB1600

Ordering information

Ordering information

Order code

STUSB1600AQTR

USB Type-C

Rev1.2+ECN

Table 53. Ordering information

R p

default

1.5 A

Package

QFN24 EP 4x4 mm

Marking

1600A

DS11503 - Rev 4 page 58/66

STUSB1600

Revision history

Table 54. Document revision history

Date

30-Nov-2016

Revision

1 Initial release.

05-Sep-2017 2

Changes

Updated: title, features, description and Table 1 in cover page.

Updated Table 17, Table 20, Table 27, Table 31, Table 32, Table 35, Table 37, Table 38, Table 41,

Table 44, Table 48 and Table 49.

Updated Section 3.2.3, Section 5.1.4, Section 5.1.6, Section 5.1.12, Section 5.1.13, Section 5.1.19.

22-Jun-2018

10-Oct-2019

3

4

Updated: title, features, description and Table 1 in cover page.

Updated Table 26. CC_CAPABILITY_CTRL register, Table 31. VBUS_DISCHARGE_TIME_CTRL register, Table 36. STUSB1600 user-defined parameters and default settings, Table 37. Default setting for a source type application, Table 40. Default setting for a sink type application, Table 43.

Default setting for a dual role type application and Table 49. Electrical characteristics.

Minor text changes.

Updated Section 7.1.2 Connection to MCU or application processor and

Table 49. Electrical characteristics

.

DS11503 - Rev 4 page 59/66

STUSB1600

Contents

Contents

1 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

1.1

Block overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Inputs / outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

2.1

Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.2

Pin list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.3

Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3.1

2.3.2

2.3.3

2.3.4

2.3.5

2.3.6

2.3.7

2.3.8

2.3.9

CC1 / CC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

CC1DB / CC2DB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

VCONN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

I²C interface pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

VBUS_VALID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

ATTACH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

DEBUG pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.3.10

A_B_SIDE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.3.11

VBUS_SENSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.3.12

VBUS_EN_SNK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.3.13

VBUS_EN_SRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.3.14

VREG_1V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.3.15

VSYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.3.16

VREG_2V7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.3.17

VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3 Features description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

3.1

CC interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.2

VBUS power path control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.2.1

3.2.2

3.2.3

VBUS monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

VBUS discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

VBUS power path assertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.3

VCONN supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

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Contents

3.3.1

3.3.2

3.3.3

3.3.4

3.3.5

3.3.6

VCONN input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

VCONN application conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

VCONN monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

VCONN discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

VCONN control and status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

VCONN power switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.4

Low power standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.5

Dead-battery mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.6

High voltage protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.7

Hardware fault management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.8

Accessory mode detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.8.1

3.8.2

Audio accessory mode detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Debug accessory mode detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4 I²C Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

4.1

Read and write operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.2

Timing specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5 Register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

5.1

Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.1.1

5.1.2

5.1.3

5.1.4

5.1.5

5.1.6

5.1.7

5.1.8

5.1.9

ALERT_STATUS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

ALERT_STATUS_MASK_CTRL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

CC_CONNECTION_STATUS_TRANS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

CC_CONNECTION_STATUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

MONITORING_STATUS_TRANS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

MONITORING_STATUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

CC_OPERATION_STATUS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

HW_FAULT_STATUS_TRANS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

HW_FAULT_STATUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5.1.10

CC_CAPABILITY_CTRL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5.1.11

CC_VCONN_SWITCH_CTRL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5.1.12

VCONN_MONITORING_CTRL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5.1.13

VBUS_MONITORING_RANGE_CTRL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.1.14

RESET_CTRL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

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Contents

5.1.15

VBUS_DISCHARGE_TIME_CTRL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.1.16

VBUS_DISCHARGE_STATUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.1.17

VBUS_ENABLE_STATUS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.1.18

CC_POWER_MODE_CTRL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.1.19

VBUS_MONITORING_CTRL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

6 Start-up configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

6.1

User-defined parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.2

Default start-up configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

7 Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

7.1

General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

7.1.1

7.1.2

Power supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Connection to MCU or application processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

7.2

USB Type-C typical applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

7.2.1

7.2.2

7.2.3

Source type application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Sink type application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Dual role type application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

8 Electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

8.1

Absolute maximum ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

8.2

Operating conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

8.3

Electrical and timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

9 Package information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

9.1

QFN-24 EP - pitch 0.50 mm - (4 x 4 mm) package information. . . . . . . . . . . . . . . . . . . . . . . . 55

9.2

Thermal information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

10 Terms and abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

11 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

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List of tables

List of tables

Table 1. Pin functions list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Table 2. Legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Table 3. I 2 C interface pin list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Table 4. Debug pin list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Table 5. USB data MUX select. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Table 6. Conditions for V

BUS

power path assertion in source power role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Table 7. Conditions for V

BUS

power path assertion in sink power role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Table 8. Fault management conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Table 9. Orientation and current capability detection in sink power role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Table 10. Orientation detection in source power role. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Table 11. Device address format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 12. Register address format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 13. Register data format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 14. I²C timing parameters - V

DD

= 5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 15. Register access legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 16. STUSB1600 register map overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 17. ALERT_STATUS register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Table 18. ALERT_STATUS_MASK_CTRL register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Table 19. CC_CONNECTION_STATUS_TRANS register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Table 20. CC_CONNECTION_STATUS register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Table 21. MONITORING_STATUS_TRANS register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 22. MONITORING_STATUS register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 23. CC_OPERATION_STATUS register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Table 24. HW_FAULT_STATUS_TRANS register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Table 25. HW_FAULT_STATUS register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Table 26. CC_CAPABILITY_CTRL register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Table 27. CC_VCONN_SWITCH_CTRL register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Table 28. VCONN_MONITORING_CTRL register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Table 29. VBUS_MONITORING_RANGE_CTRL register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Table 30. RESET_CTRL register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Table 31. VBUS_DISCHARGE_TIME_CTRL register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 32. VBUS_DISCHARGE_STATUS register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 33. VBUS_ENABLE_STATUS register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 34. CC_POWER_MODE_CTRL register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Table 35. VBUS_MONITORING_CTRL register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Table 36. STUSB1600 user-defined parameters and default settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Table 37. Default setting for a source type application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Table 38. Conditions for V

BUS

power path assertion in source power role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Table 39. Source power role with accessory support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Table 40. Default setting for a sink type application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Table 41. Conditions for V

BUS

power path assertion in sink power role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Table 42. Sink power role with accessory support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Table 43. Default setting for a dual role type application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Table 44. Conditions for V

BUS

power path assertion in source power role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Table 45. Conditions for V

BUS

power path assertion in sink power role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Table 46. Dual power role with accessory support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Table 47. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Table 48. Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Table 49. Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Table 50. QFN24-EP 4x4 mm package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Table 51. Thermal information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

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List of tables

Table 52. List of terms and abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Table 53. Ordering information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Table 54. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

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STUSB1600

List of figures

List of figures

Figure 1. Functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Figure 2. STUSB1600 pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Figure 3. V

CONN

to CC1 and CC2 power switch protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 4. Read operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 5. Write operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 6. I²C timing diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 7. I²C register initialization sequence at power-up or after a reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 8. Implementation example in source type application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 9. Implementation example in sink type application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Figure 10. Implementation example in dual role type application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Figure 11. QFN-24 EP 4x4 mm package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Figure 12. QFN24 EP 4x4 mm recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

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STUSB1600

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DS11503 - Rev 4 page 66/66