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Technical white paper
HP USB Type-C™
Features, power options, and accessories
Table of contents
Technical white paper | HP USB Type-C™
The purpose of this document is to provide a brief overview of USB Type-C™ and define the available features, accessories, and power options.
What is USB Type-C™?
USB Type-C™ is a small, reversible USB connector with 4x high speed lanes (24 pin). USB Type-C™ can deliver data (including Thunderbolt™ 3), audio, and video, as well as provide charging power to many devices (USB Power
Delivery).
Figure. USB Type-C™ Plug
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USB Type-C™ video modes (alternate mode): USB Type-C™ ports support adapters that can output different types of video, such as HDMI, VGA, and DisplayPort™, all from one USB Type-C™ port on your computer or device.
USB Type-C™ power delivery (USB PD): USB Type-C™ power delivery is bi-directional, so a device can either send or receive power. This power can be transferred at the same time the device is transmitting data across the connection.
Thunderbolt™ 3: The Thunderbolt™ 3 controller has bandwidth up to 40 Gbit/s (5 GB/s) and can drive two external 4K displays at 60 Hz. It supports PCIe 3.0, HDMI 2.0, DisplayPort™ 1.2, and allows backwards compatibility with the first two Thunderbolt™ versions by the use of adapters or transitional cables.
Power delivery implementation on HP ZBooks, commercial notebooks, and adapters
USB Type-C™ power delivery allows HP computers to deliver a higher current output at different output voltages. The power delivery output and voltage will vary based on the capabilities of the computer or device.
Hosts or computers
• HP ZBooks and commercial notebooks deliver 5V of output voltage. Some computers support delivering a maximum current of 1.5A or 3A, but do not support 5A. Refer to the HP Computers - USB Type-C™ Features table for more details on power delivery.
• The USB Type-C™ output power can be adjusted based on system power conditions. For example, an HP Elitebook or HP ZBook provides power at 5V@3A. But, the computer can change the output power to [email protected] or 5V@900mA depending on the load that the system exerts on the AC Adapter to prevent overdrawing current.
• Some HP commercial notebooks can also withdraw power from an external device (i.e., an AC Adapter) through the
USB Type-C™ Port. Refer to the HP computers - USB Type-C™ features table for more details.
Technical white paper | HP USB Type-C™
Accessories
• Current HP USB Type-C™ AC adapters are designed to support an output voltage of 5V@3A for 15W adapters and
15V@3A for 45W adapters.
• HP AC adapters do not support variable voltage output.
• Any dongle, adapter, or accessory that supports HP USB Type-C™ AC adapters will allow or reject power output based on the computer’s capabilities.
NOTE: For optimal compatibly and performance, HP recommends using an HP branded USB Type-C™ power adapter and cable.
Features and compatibility for USB Type-C™ hosts and accessories
HP computers - USB Type-C™ features
The table below shows the USB Type-C™ capabilities and features of HP computers.
USB Type-C™ feature
Summary of feature
ZBook
G3-Mobile
Workstations
HP Elite x2
1012 G1
Tablet/
HP EliteBook
Folio G1
HP Pro
Tablet
608 G1
USB
Power delivery output
Input power
USB 3.0/3.1
Provide power for accessories
AC Power/
System Charging
USB 3.1 G2 USB 3.1 G2 USB 3.1 G1
Thunderbolt™ Thunderbolt™ 3 Yes
DP Alternative
Mode Support for Display Port x2 & x4
3A (15W)
No
Yes x2 & x4
1.5A/3A
(7.5W/15W)
36W
No x2 & x4
1.5A (7.5W)
15W
600 G2/700 G3/
800 G3/1030
G1/1040 G3 series
Notebooks
USB 3.1 G1
No
No
3A (15W)
No
Desktop 800
Series DM
& AiO
Desktop PCIe
Card for 6/7/8
TWR, MT, SFF
USB 3.1 G1 USB 3.1 G1
No
No
No
No
3A (15W)
No
3A (15W)
No
USB Type-C™ compatible HP accessories
The tables below showcase a list of key USB Type-C™ accessories and a brief description of the features available.
Dongles
HP USB-C™ to USB 3
Adapter
HP USB-C™ to
VGA Display Adapter
HP USB-C™ to HDMI
Display Adapter
HP USB-C™ to
Ethernet/USB3/
USB-C Adapter
HP USB-C™ to HDMI/
VGA/ USB-C™ Adapter
HP USB-C™ to US 3.0 mm and 4.5 mm Adapter
Description/features
HP USB-C™ to USB 3.0 Adapter with Type-A receptacle
VGA
HDMI
HP USB Type-C™ (male) to RJ45
(female), USB3 (female) and
USB-C™ (female)
USB Type-C™ (male) to
HDMI (female), VGA (female),
USB Type-C™ (female) adapter
USB Type-C™ to 4.5 mm and
3.0 mm Combo DC Jacks
Power role(s) Equipment description
Consumer
Consumer
Convert the notebook or tablet’s USB-C™ port to
USB 3.0 with the HP USB-C™ to USB 3.0 Adapter
Alternative mode is DisplayPort™
Consumer
Consumer
Consumer
Supplier
Alternative mode is DisplayPort™
Combinational dongle
Dongle
Charges computer using the HP Smart AC Adapter
(18 to 65W)
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Technical white paper | HP USB Type-C™
USB Type-C™ compatible HP docks
Docks
HP ZBook
Thunderbolt™ 3 Dock
HP Elite
Thunderbolt™ 3 Dock
HP Elite USB-C™
Docking Station
Description/features
USB Type-C™ Thunderbolt™ 3 Dock with (4)
USB 3.0, (2) DP, (1) VGA, (1) RJ45, (1) audio, and (1) USB-Type C™ port; the dock is also capable of charging compatible computers.
USB Type-C™ Thunderbolt™ 3 Dock with (4)
USB 3.0, (2) DP, (1) VGA, (1) RJ45, (1) audio, and (1) USB-Type C™ port; the dock is also capable of charging compatible computers.
USB Type-C™ Dock with (4) USB 3.0, (1)
DP, (1) HDMI, (1) RJ45, (1) Audio, and (1)
USB Type-C™ port; capable of charging compatible computers.
Power role(s) Equipment description
Consumer Thunderbolt™ 3 enabled docking station for ZBook Mobile Workstations; the docking station uses a combo AC + USB Type-C™ combo cable to connect to the computer;
Charging is only through the AC adapter.
Supplier
Supplier
Thunderbolt™ 3 enabled docking station for
HP Elite x2 1012 G1 Tablet and HP EliteBook
Folio G1
USB-C™ Docking Station for HP Elite x2 1012 and HP EliteBook Folio G.
For more information about the HP ZBook Thunderbolt™ Dock or HP Elite Thunderbolt™ 3 Dock, please refer to the
HP technical white paper: HP Elite Dock with Thunderbolt 3 & HP ZBook Dock with Thunderbolt 3.
HP Notifications: USB Type-C™ messaging
Below is a list of USB Type-C™ messages/notifications that might appear on the computer display, depending on the scenarios described.
Scenario
Power Adapter accepted:
Matches capabilities to charge while in sleep states
Power adapter rejected:
Upstream power flow is not supported
Connected device requests more power than can be supplied
Balance downstream power for charging from
Multiple USB ports
Message
Title: USB Type-C™ Connector
Text: “For full performance, connect a higher capacity power adapter.”
Title: USB Type-C™ Connector
Text: “Charging system via adapter plugged into the USB port is not supported.”
Title: USB Type-C™ Connector
Text: “USB device requesting more power than system can provide.”
Display system charging capability
Title: USB Type-C™ Connector
Text: “Charging from multiple USB ports may have limited support.”
Cause
A power adapter that is too small to operate the system while the device is powered on; the adapter could be used to charge while the system is in sleep mode or when powered off.
Plugging in an adapter that requests power that is not supported (Cypress controller).
Plugging a device that requires more power than can be provided by the system.
Plugging in an adapter to both a USB Type-A port and a USB Type-C™ port (or into 2 USB Type-C™ ports) and the system is not capable of charging both at full capacity while system is running.
When a dock is connected to a system using a cable that is inadequate to power the system and charge the battery simultaneously.
The attached dock cable is inadequate to handle the needed power load
Power adapter rejected:
Provider and consumer mismatch
The Cable Connecting the
PCIe expansion card to the system board is unplugged
Using a non-HP Adapter
Title: USB Connector
Text: “For full performance, connect higher capacity USB cable to dock.”
Display capabilities of the cable
Title: USB Connector
Text: “The power adapter is not compatible with this system.”
Title: USB Type-C™ Connector
Text: “Device mode is not supported. Check cable or system capabilities.”
Title: USB Type-C™ Connector
Text: “HP recommends using an HP power source.”
Inserting an adapter that is not compatible with the HP system (i.e., from a third-party vendor that is not supported).
Either the device does not support alternate modes, or doesn’t support a particular alternate mode, or the inserted cable is not supported.
A non-HP adapter is plugged into the USB port.
Optimal performance is not guaranteed with non-HP adapters.
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Technical white paper | HP USB Type-C™
Scenario
Using a small adapter
Port over current situation
Port over voltage situation
Unsupported expansion module
Too many expansion modules
Thunderbolt module is not at the top of the stack
Message
Title: USB Type-C™ Connector
Text: “The attached power source cannot fully power the system but can supplement battery power. For full performance, use a higher capacity power source.”
Title: USB Type-C™ connector
Text: “The connected device exceeded the power limit of the USB-C™ port.”
Cause
The use of an adapter that is too small to power the system. Adapters that are too small will only be used to supplement the battery and extend battery life.
Title: USB Type-C™ connector
Text: “The USB-C™ port is not working.
The connected device caused a power surge.
Please disconnect.”
Title: USB Type-C™ connector
Text: “The system does not support one of the connected expansion modules.”
Title: USB Type-C™ connector
Text: “The system configuration exceeds the number of supported expansion modules.”
Title: USB Type-C™ connector
Text: “The Thunderbolt™ module must be attached directly below the system module.”
The connected device pulls too much current from the port causing the Power Delivery controller to issue an over current error to the Embedded
Controller (EC).
If the power source provides high voltage to the
USB-C™ port, the PD controller will issue an
“over voltage failure” message which is shown in the message section.
When a non-genuine HP expansion module is detected in the system, the “Unsupported expansion module” message will display.
When the number of expansion modules exceeds the acceptable amount of system connections, the SIO/BIOS will issue the “Too many expansion modules” message.
If more than one Thunderbolt expansion module is in the module stack, the “Thunderbolt module is not at the top of the stack” message will display; only one module is permitted, and it should be at the top of the stack.
Frequently asked questions
What is USB Type-C™?
USB Type-C™ is a smaller, reversible USB connector with 4x high speed lanes (24 pin). USB Type-C™ can deliver data (including Thunderbolt™ 3), audio, and video, as well as provide charging power to many devices (USB Power
Delivery).
Is USB Type-C™ backwards compatible?
Yes, USB Type-C™ is backwards compatible. You can plug any USB 3.0 device into a USB Type-C™ port using a USB
Type-C™ (male) to Type-A (female) adapter.
What is USB Type-C™ power delivery?
USB Type-C™ power delivery is bi-directional, so a device can either send or receive power. This power can be transferred at the same time the device is transmitting data across the connection.
Does USB Type-C™ support video modes (alternate modes)?
USB Type-C™ ports support adapters that can output different types of video, such as HDMI, VGA, and DisplayPort™, all from one USB Type-C™ port on a computer or device.
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© Copyright 2016 HP Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
USB Type-C™ and USB-C™ are trademarks of USB Implementers Forum. Thunderbolt and vPro are trademarks of Intel Corporation in the U.S. and other countries. DisplayPort™ and the DisplayPort™ logo are trademarks owned by the Video Electronics Standards Association (VESA®) in the U.S. and other countries.
4AA6-7466EEW, September 2016
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