LED lighting: ST Products And Solutions

LED lighting: ST Products And Solutions
LED lighting:
ST products and solutions
LED lighting by applications
 Residential lighting
 Commercial lighting
 Architectural lighting
 Street lighting
 Large area illumination
 Emergency lighting
General illumination
 Notebooks, Netbooks
 Mid to large sized LCDs, LED TVs
 PDAs, MP3/PMP,
 Mobile, Smartphones
 Digital cameras
 Video game consoles
 General backlighting
Consumer
Display and signage
 Stadium display
 Advertising display
 Video wall
 Traffic lights, road signs
Transportation/ information display
Vehicle
 Interior lighting
 Exterior lighting
 Infotainment display backlighting
2
LED lighting by applications
 Residential lighting
 Commercial lighting
 Architectural lighting
 Street lighting
 Large area illumination
 Emergency lighting
General illumination
 Notebooks, Netbooks
 Mid to large sized LCDs, LED TVs
 PDAs, MP3/PMP,
 Mobile, Smartphones
 Digital cameras
 Video game consoles
 General backlighting
Consumer
Display and signage
 Stadium display
 Advertising display
 Video wall
 Traffic lights, road signs
Transportation/ information display
Vehicle
 Interior lighting
 Exterior lighting
 Infotainment display backlighting
3
General illumination: AC-DC converters
4
HVLED family: off line LED drivers with primary sensing
HVLED805
HVLED807PF(*)
HVLED815PF (**)
 Internal 800V avalanche rugged power MOSFET with
Rdson =7Ω (HVLED815PF), 11 Ω (HVLED805/807PF)
 HV start up
 High power factor (HVLED807PF/815PF)
5W
7W
15W
 LED output current regulation with Primary Sensing
(NO secondary sensing and NO opto), 5% accuracy
 Quasi resonant operation mode
 Open & short LED string management
 Automatic self supply
 Input voltage feed forward for mains independent CC
regulation
Maximum output power for VIN = 185 - 265VAC
High PF > 5W
New HVLED807PF / 815PF
>0.7 residential
>0.9 commercial
Off-line high power factor LED driver with all primary sensing
(**) Samples available in Q3 2012
(*) Samples available in Q4 2012
HVLED807PF and HVLED815PF
Low components count
5
General illumination: PFC controllers
6
L6564 series: transition mode PFC controllers
Main features
 Guaranteed extreme temperature range
L6564H
Recommended for LED
applications
that must be compliant
with energy saving
regulations
 Fast bidirectional input voltage feedforward
 Accurate adjustable overvoltage protection
 Protection against feedback loop disconnection
L6564
L6564T
Recommended
for LED tubes
Recommended for
LED outdoor
applications
(latched shutdown)
 Inductor saturation protection
 AC brownout detection
 Low (≤100 µA) start up current
 6 mA max operating bias current
 1% (@ TJ= 25 °C) internal reference voltage
700V high voltage start up onboard
High voltage start up generator:
internal schematic
Suited for
boost and high power factor flyback
topologies
Electrical parameters
guaranteed for Tj= -40 to 125°C
Product evolution for TM
L6562A / AT
L6564 / T
1
8
Vcc
COMP
2
7
GD
MULT
3
6
GND
CS
4
5
ZCD
INV
Low Cost
Adv. Features
INV
1
10
Vcc
COMP
2
9
GD
MULT
3
8
GND
CS
4
7
ZCD
VFF
5
6
PFC_OK
L6564H
Interface to PWM ctrl
L6563S
INV
1
14
Vcc
COMP
MULT
2
13
GD
3
12
GND
CS
4
11
ZCD
VFF
5
10
N.C.
PFC_OK
6
9
N.C.
N.C.
7
8
HVS
Advanced features
+ High Voltage Start up
Interface to PWM ctrl
+ High Voltage Start up
L6563H
7
L4984D introduction
• L4984D, a Power Factor Controller:
• for Power Factor Control stages of SMPS connected to AC input Mains
• to make the application compliant to EN 61000-3-2 regulation by limiting the Total
Harmonic Distortion (THD)
SMPS INPUT CURRENT:
•
SINUSOIDAL
•
IN PHASE WITH MAINS
VOLTAGE
L4984D
18/11/2013
8
FOT-controlled PFC Pre-regulator
“FF-CCM"
type
IL
IAC
CCM
ILpk
DCM
9
Inductor current
peak envelope
DCM
Low frequency
inductor current
ON
MOSFET
OFF
Continuous conduction
"TM" type
Switch current
IL
Diode current
IAC
ON
ON
MOSFET
OFF
Transition mode
Switch OFF
qT
TOFF
TOFF
p - qT
FOT = simplicity of TM control + benefit of CCM
Industrial: off-line SMPS ICs
(10/16)
L4984: CCM PFC mode controller
Main features
Low line voltage
High line voltage
e current
Inductor current (A)
Vin = 88 Vac
Boost inductor
current envelope
Vin = 264 Vac














Line-Modulated Fixed-Off-Time ( LM-FOT ) control of CCM-Operated PFC
Proprietary LM-FOT modulator for nearly Fixed Frequency operation
Fast Bidirectional Input Voltage Feedforward (1/V2)
Precise Internal Reference (1% @25C)
Accurate Adjustable OVP (No Latched)
Protection against Feedback Loop Failure ( Latched Shutdown)
AC Brownout Detection
DIGITAL Leading-edge blanking on Current Sense
Low Start-up Current (<100µA)
Remote ON/OFF control
Inductor Saturation Protection (No Latched)
Proprietary THD optimizer circuit
-600 / +800mA totem pole gate driver with active pull-down and voltage clamp
SSO10 ( SO8 body size )
Line voltage phase angle (rad)
Line modulated fixed off-time (LM-FOT) operated PFC
- Ton fixed by peak inductor current programmed value
-Toff is voltage line modulated in such way the Tsw is
costant as long as the boost converter operates in CCM
PFC controller
Low cost solution for
CCM operated boost PFC pre-regulators
for power higher than 250W
10
L4984D performances & tools
• 350W reference design (EVL4984-350W)
• Efficiency > 94% on 85VAC – 264VAC input range
• THD<10% at full load on 85VAC – 264VAC input range
• Design support
• AN4149: designing a CCM PFC pre-regulator with the L4984D
• AN4163: 350W CCM PFC pre-regulator with the L4984D
• Excel spreadsheet DESIGNING A FOT PFC USING THE L4984 (AVAILABLE ON REQUEST)
18/11/2013
11
L4984D companion MOSFET / rectifiers
L4984 – 10 pin CCM power factor controller
RECTIFIER (600V reverse voltage)

SiC (Silicon Carbide)  STPSCxx06


Turbo 2
Tandem
 STTHxxR06
 STTH806DTI
MOSFET (>500V breakdown)

High power (>1kW)  MDmesh V
e.g. STW69N65M5 for ~2KW

Medium power (~200W to 1KW)  MDmesh II Plus Low Qg
e.g. STP24N60M2 for ~400W
18/11/2013
12
L4984D - summary
• L4984D is the right solution for middle-high power SMPS and is the best
trade-off between full set features, performance and price.
• L4984D is able to address a wide range of applications:
• SMPS for industrial, lighting & home appliances
• EV battery chargers
• Solar Inverters
• Servers SMPS for Data centers
• high end game consoles, desktop, and workstation
• Suitable also for modified buck for LED applications from
e.g 120VDC bus
18/11/2013
13
General illumination: microcontrollers
14
STLUX385 (*): 8-bit low power microcontroller tailored for lighting applications
Special features
STLUX385
 6 SMEDs (State Machine Event Driven )
independent PWM programmable pulse signal generators
Fast analog comparators (50ns max propagation delay)
 96MHz PLL for high output signals resolution
Topologies supported
 Buck converter for LED driving
 Boost for PFC
10 bit, 8 multiplexed channels ADC with operation amplifier
to extend resolution to 12 bit
DALI hardware communication cell
 HB resonant converter for dimmable TL
 FB converter for HID
Increased power processing with a wide range of features
(*) Engineering samples available
STLUX385(A): block diagram
15
• SIX configurable PWM State Machine
Event Driven (SMED) up to 1.3ns
average resolution
Internal RC
oscillator 16MHz
Internal RC
oscillator 153.6kHz
Clock Controller
96MHz PLL
Clock detector
Reset system
16-bit PWM SMED0
POR
BOR
16-bit PWM SMED1
1.8V regulator
16-bit PWM SMED2
Xtal 1-16MHz
• 8 channels 10 bit ADC with
programmable op amp GAIN (12 bit
equivalent resolution), 2.4 µs
conversion time,
32kB
Flash Memory
ST Core
@ 16MHz
Nested IT controller
32 IT vectors
12 external IT
SWIM
Debug module
Address and data bus
2kB SRAM
1kB EEPROM
6 Fast inputs
4 Analog
Comparators
Address and data bus
16-bit PWM SMED3
16-bit PWM SMED4
16-bit PWM SMED5
• 4 Analog Comparators and 6 fast
digital inputs synchronized with
96MHz clock
16-bit System timer
Auxiliary timer
2x watchdog
(IWDG and WWDG)
AWU
• ST proprietary core based (up to 20
MIPS)
• 16-bit/8-bit and 16-bit/16-bit divisions
• Faster 8-bit*8-bit multiplication, signed
arithmetic operation
10bit ADC with gain
8channels
UART
I²C
12 I/Os
DALI
• 3V to 5.5V DC voltage supply (IC
performances are optimized for 3.3V)
• -25 ºC (-40 ºC) to 105 ºC temperature
range
• TSSOP38
16
STLUX CORE : SMED
STLUX platform
S0
Event 1
S1
Event 2
TIMER
S3
PWM state:
LOW HIGH
17
SMED – Basic overview
State Machine – Event Driven
• Signal generating machine
• Software Configurable Peripheral
• Modular approach for maximum flexibility
• 6 independent SMED on STLUX385A
Clock source
(up to 96MHz)
Each SMED integrates:
Event 0
Event 1
Event 2
Output pin
SMED x
Coupling interface
to other SMEDs
•
•
•
•
•
•
•
One controlled output
3 programmable event inputs
Edge/level event generation
16bits counter
Clock frequency up to 96MHz
Four 16bits time compare registers
One 16bits dump register
18
Connection Switch Matrix – Input Events
Event0_0
Event0_1
DAC0
CPP[0]
-
SMED0
OUT0
Event0_2
CMP0
+
Event1_0
DAC1
CPP[1]
CMP1
CMP2
+
CPP[3]
-
CMP3
+
Software flag[5:0]
OUT0 (SMED0)
OUT1 (SMED1)
Programmable Switch Matrix
-
SMED1
OUT1
Event1_2
DAC3
CMP3
Event1_1
+
DAC2
CPP[2]
-
Event2_0
Event2_1
SMED2
OUT2
Event2_2
Event3_0
Event3_1
SMED3
OUT3
Event3_2
Event4_0
Event4_1
SMED4
OUT4
Event4_2
OUT5 (SMED5)
DIGIN[5:0]
Event5_0
Digital Comparators
Event5_1
Event5_2
SMED5
OUT5
19
State Machine - Complete
HOLD
IDLE
To any
state
From
any
state
S0
S3
S1
S2
Sequential state transitions .
Fixed evolution S0->S1->S2->S3
Event controlled direct state
transitions. Direct jump to any
state
Each state has 3 configuration registers to program
•
Conditions when the machine leaves the current state and
what is the next state
•
Actions to be done when leaving the state – (counter reset
and/or output pin level)
20
SMED Clock Sources
• Each SMED with independent clock
• 96MHz PLL+ programmable Dithering
• 1.3ns average resolution
• 13Hz average frequency step @ 100kHz
• Higher resolutions even at low speed
clocks
21
Analog Comparators
• Up to 4 independent comparators
• Very fast propagation delay (50 ns max)
• Internal 4 bit DAC reference: 16 values selectable from 0 to 1.23 V (bandgap
reference)
• One comparator available with external reference
22
Analog to Digital Converter
•
•
•
•
•
8 channels
10 bit resolution with gain (x1 or x4)
300 µV resolution (gain = x4)
Conversion time: 2.4 µs (single mode), 3 µs (circular mode)
Reference internally generated from the band-gap => independent on supply
voltage => no need for very accurate voltage supply
23
Main features:
Hardware DALI
• Bi-phase Manchester asynchronous serial
data format (6-9V)
• Programmable 1.2kHz, 2.4kHz and 4.8 kHz
transmission rate (±10%)
• Bi-directional communications in four 8-bit
forward/backward data registers
• Variable 16-18bit and 24 bit forward message
length are supported
• 153.6Khz internal RC can be used in low
power (standby) mode for Dali peripheral
• 500ms (±10%) interface failure detection to
monitor receiver line timeout
• Maskable interrupt
• Dali_rx, Dali_tx polarity insensitive signal lines
• Configurable Noise Rejection Fitler
• remove any RX bounce, glitch or spurious pulse
Standard references – IEC 62386 – xxx:
• 101 – general requirements of systems
• 102 – general requirements of control gears
• 201 – fluorescent lamps
• 202 – emergency lighting
• 203 – discharge lamp (not Fluorescent)
• 204 – LV Halogen
• 205 – supply voltage for incandescent lamps
• 206 – Conversion from digital to DC voltage
• 207 – LED modules
• 208 – Switching function (on/off devices ndr)
• 209 – Color LED
• 210 – Sequencer
Presentation Title
* available
11/18/2013
24
Visual PWM generation configurator
•
•
•
•
•
Easy approach to SMED configuration
Visual configuration of user applications
Graphic state evolution visualization
C code generation
Import from real application for debug
25
26
Application Examples (tools)
Presentation Title
11/18/2013
TM Boost PFC converter 130W
TM Boost PFC converter 130W
 Input universal range (90-265V)
 No-Load management
 Adaptive Start-up
 User Manual writing ongoing
 FINAL BOARD available
28
130W TM Boost PFC converter
Machine
enable
Idle
Counter = T1
or
Event(1) = rising edge
Counter = T0
Output = 1
cnt reset
29
Output = 1
ZCD
S1 (T1)
S0 (T0)
Integrated
Controller
Output = 0
cnt reset
Output = 1
cnt reset
Fast input DIGIN5
SMED5
Output = 0
S3 (T3)
S2 (T2)
10bit ADC
Counter = T3
or
Event(0) = level high
Analog Comparator
CPP2
Counter = T2
T1 Maximum
ON time
Counter
Output (gate)
Current
sense
Falling edge on ZCD
cause S3 -> S0
T2 Minimum
OFF time
T0 Minimum
ON time
S0
S1
S2
S3
S0
S1
S2
False ZCD ignored
ZCD
Current
sense
Current peaks are ignored
during minimum ON- time
Overcurrent
cause shortening
S1
120W Offline LED driver
Offline PSR-ZVS 120W Street-lighting
100V (max. 1A)
nVLED
SMED3
Fast input
DIGIN5
DALI
PLM
UART
Analog
Comparator
CPP2
Integrated
Controller
SMED0
10bit ADC
with gain
SMED1
Analog
Comparator
CPP0
SMED2






120 W (100V Vout @ 1A) Single string LED driver
PSR and dimming scheme, 10bit resolution (30%)
Extremely high efficiency (>> 90%)
Extremely accurate light regulation
PWM digital dimming: >1kHz, 11bit (OPTIONAL)
Communication: DALI, UART ctrl and setup (insulated) 0-10 for white version only (insulated)
Q4
2013
31
120W OFFLINE LED driver
Single string
 PROTYPE: functional analysis successfully completed.
 Feature fine tuning ongoing
 DALI integration ongoing
 User Manual writing ongoing
UART
LED STRING
 FINAL BOARD PCB Layout ongoing
DALI
AC (220/110)
 Options



1. Street-lighting 120W single string
STLUX385A
2. Steet-lighting / Office120W multi string
3. RGB/White multi channel independently PWM dimmable with programmable full
light level on discrete steps to adapt to specific Light module
Presentation Title
11/18/2013
32
LED Driver architectures
General illumination: architectures
(1/3)
General
architecture
up to 5W
~AC main
Up to 15W
~AC main
General
architecture
above 5W
Dimmer
~AC main
Flyback
converter
High power
factor flyback
converter
High power
factor flyback
converter
34
HVLED805
Off-line LED drivers
with primary sensing
HVLED807PF,
HVLED815PF
Off-line LED drivers
with primary sensing
and high PF
TS820-600
Sensitive gate SCRs
General illumination: architectures
(2/3)
L6562AT, L6564T
Transition mode PFC controller
General
architecture
for LED single string
~AC main
High power factor
flyback converter
CC/CV
controller
TSM101, SEA05
CC-CV controller
From
15W to 75W
~AC main
High power factor
flyback converter
Voltage
reference
L6562AT, L6564T
TL431
Transition mode PFC controller
Voltage reference
Inverse
Buck
converter
Inverse
Buck
converter
Analog
controller
Analog
controller
Analog approach
General
architecture
for LED multi-string
L6562AT, L6564T
Transition mode PFC controller
Inverse
Buck
converter
Inverse
Buck
converter
STLUX385
8-bit Microcontroller
with dedicated lighting peripherals
STM8/STM32
8-bit / 32-bit Microcontrollers
MCU
Digital approach
35
General illumination: architectures
(3/3)
L6585DE
L6562AT, L6564T
General
architecture
for LED single string
Combo IC for PFC and HB
ballast control
Transition mode PFC controller
L6599AT
LLC resonant controller
~AC main
PFC
Resonant
converter
CC/CV
controller
TSM101, SEA05
CC-CV controller
Above75W
~AC main
PFC
Resonant
converter
Voltage
reference
L6562AT, L6564T
L6599AT
TL431
Transition mode PFC controller
LLC resonant controller
Voltage reference
General
architecture
for LED multi-string
L6585DE
Combo IC
for PFC and HB ballast control
L6562AT, L6564T
Transition mode PFC controller
Inverse
Buck
converter
Inverse
Buck
converter
Analog
controller
Analog
controller
Analog approach
Inverse
Buck
converter
Inverse
Buck
converter
STLUX385
8-bit Microcontroller
with dedicated lighting peripherals
STM8/STM32
8-bit / 32-bit Microcontrollers
MCU
Digital approach
36
Analog companion IC
SEA01 (*): digital CV/CC controller with on-line trimming
Main features
Trimmable references for both loops:
- 5 bits for Vrefv and 5 bits for Vrefi adjust
- Vrefv = 2.5V (0%) with 0.2% trimming step
- Vrefi = 30 mV (0%) with 3.3% trimming step
2 times trimmable (redundand OTP)
Simple & robust trimming protocol and storage
20 mA sink/source capability (OUT1-2, Iref)
Wide operating Vcc range [3.5 – 36] V
Low quiescent consumption: 200 µA
SO8 package
Device block
diagram
Digital trimming characteristics
Digital trimming
toolkit
- PC GUI
- USB trimming interface
- SEA01 daughter board
- 65W mother board
I2C slave interface: two programming pin Clock and Data
Parity check bit
Non volatile memory (NVM) with redundant OTP (two OTP)
Status register for NVM check and parity fail check
Volatile memory for emulation
Emulate/read/write/reload commands
100 Kbps max speed
On-line digital trimming for highest end-product accuracy: CV and CC control
(*) Samples available
37
Analog companion IC
SEA01: digital CV/CC controller with on-line trimming
38
DC/DC LED drivers
General illumination: DC-DC LED drivers
(1/2)
LED2000 (*)
LED2001 (*)
Monolithic buck LED driver
with synchronous rectification
Monolithic buck LED driver
with synchronous rectification
Main features
Main features
• Input voltage: 3V to 18V
• Input voltage: 3V to 18V
• Adjustable output current: up to 3A
• Adjustable output current: up to 4A
• Switching frequency: 850kHz
• Switching frequency: 850kHz
• PWM Dimming features
• PWM Dimming features
• ± 7% output current accuracy
• ± 7% output current accuracy
• Integrated 70mΩ low side Rdson Mosfet
• Integrated 70mΩ low side Rdson mosfet
(N-channel)
(N-channel)
• Integrated 90mΩ high side Rdson mosfet
• Integrated 90mΩ high side Rdson mosfet
(P-channel)
40
LED5000 (**)
Monolithic LED driver
(buck, buck-boost, floating boost
topologies supported)
Main features
• Input voltage: 5.5V to 48V
• Adjustable output current: up to 3A
• Switching frequency: 850kHz
• PWM Dimming features
• ± 3% output current accuracy
• 200 mΩ typical Rdson
• Sensing voltage 200mV
(P-channel)
• FB voltage 100mV
• FB voltage 100mV
MR16
Bulb replacement
Emergency
lighting
Flash light
(*) Samples available
(**) Samples available in Q4 2012
General illumination: DC-DC LED drivers
(2/2)
LED6000 (**)
LED6001 (**)
Main features
STLDC08
LED driver
(buck, buck-boost and sepic
topologies supported)
Monolithic LED driver
(buck, buck-boost and floating boost
topologies supported)
Boost LED driver
Main features
Main features
• Input voltage: 4.5V to 61V
• Input voltage: 4.4V to 40V
• Input voltage range: 0.8 to 3.6 V
• Adjustable switching frequency:
• Up to 60V output voltage
• Adjustable switching frequency:
250kHz to 1.5MHz
• Adjustable output current: up to 3A
41
100kHz to 1MHz
• Optimized to operate from one or two
NiCd/NiMH or alkaline cells
• PWM dimming
• PWM dimming with auxiliary series switch
• Drives N-channel MOSFET or NPN
bipolar transistor
• 200 mΩ typical Rdson (N-channel mosfet)
• Analog dimming
• No control loop compensation required
• Sensing voltage 250mV
• ± 4% output current accuracy
• Sensing voltage 30mV to 300mV
• FET driver for very precise PWM
dimming
• Constant current control loop
MR16
Bulb replacement
Flash light
Emergency
lighting
(*) Samples available (**) Samples available in Q4 2012
Eval Boards
General illumination: solutions
Up to 15W
(1/4)
STEVAL-ILL044V1 (*), (**)
9 W Triac dimmable
LED power supply
based on HVLED815PF
HPF Flyback
STEVAL-ILD003V1 / V2
6W / 8W Home analog Light
dimmer
based on TS820-600
EVALHVLED805
4.2 W LED power supply
based on HVLED805
Flyback
 Vin = 90-132 Vac
 Iled = 175mA
 Voutmax =56V
 Power factor >0.98
 Efficiency >86%
 Dimmable over 90V to 132V range
 Isolated version (**)
• Suitable for LED & CFL retrofit &
incandescent lamps
• 230 V – 50 Hz Line (V1 version),
120 V – 60 Hz Line (V2 version)
• Leading edge-control
• Control with potentiometer
• Dimmable LED lamps:
6W (V1 version), 8W (V2 version)
• Dimmable 14W CFL lamps
 Vin = 185-230 Vac
 Iled = 350mA
 Voutmax =12V
 Output current ripple < 10%
 Average efficiency >70%
STEVAL – ILL037V1
 Vin = 90-265 Vac
 Iled = 200mA
 Voutmax =16V
 Efficiency = 85%
3.2 W LED power supply
based on HVLED805
Flyback
(*) Available in Q4 2012
43
AN4129,
AN4130
UM1512
UM1513
Data brief
AN3360
(**) Not isolated version available STEVAL-ILL045V1
General illumination: solutions
Up to 15W
From 15W to 75W
(2/4)
EVAL6564-50WFLB (*)
50W Power supply
based on L6564T
HPF Flyback
EVALHVLED815 (*)
10.2 W LED power supply
based on HVLED815PF
HPF Flyback
 Vin = 90-265 Vac
 Iout = 2.1A
 Voutmax = 24Vdc
 Efficiency = 88%
 PF > 0.9
 Max 2fl output ripple= 1.1 Vpk-pk
(Vin=230V, Pout 50W)
AN draft (*)
 Vin = 185-265 Vac
 Iled = 340mA
 Vout = 30V
 Power factor = 0.92
 Average efficiency 86%
AN draft (*)
44
(*) Available in Q4 2012
General illumination: solutions
Above 75W
(3/4)
EVL6564-100W
100W Transition mode
PFC pre-regulator
based on L6564
From 15W to 75W
STEVAL-ILL043V1 (*)
75W Two independent
LED strings power supply
based on L6562A
HPF Flyback
+ 2 inverse buck converter
STEVAL-ILL042V1 (*)
60W LED power supply
based on L6562A and TSM101
HPF Flyback
 Vin = 90-265 Vac
 Regulated Vout= 400 Vdc
 Max efficiency =97.5%
PF=0.99
THD<6%
 Vin = 185-265 Vac
 Iled = 700mA
 Voutmax = 65Vdc
 Efficiency > 92%
 PF = 0.96
 Independent LED string dimming
 Remote turn-on / turn-off
 Vin = 185-265 Vac
 Iled = from 350mA to 500mA
 Voutmax = 130Vdc
 Efficiency > 92%
 PF > 0.95
45
AN3022
AN draft (*)
AN3424
(*) Available in Q4 2012
General illumination: solutions
(4/4)
Digital
approach
STEVAL-ILL031V1
120W Digital constant current
LED driver based on STM8S208x
4 Inverse buck converters
+
EVL130W-STRLIG
130 W power supply
based on L6562A and L6599
PFC circuit + Resonant converter
AN3106
Analog
approach
AN3151
EVL6562A-LED
16.8 W Analog constant
current
LED driver based on L6562A
Inverse buck converter
Above 75W
AN2983,
AN2828
+
STEVAL – ILL038V1
100 W power supply
based on L6585DE
PFC circuit + Resonant converter
AN3407
EVL6562A-LED
16.8 W Analog constant
current
LED driver based on L6562A
Inverse buck converter
AN2983,
AN2828
46
LED lighting by applications
 Residential lighting
 Commercial lighting
 Architectural lighting
 Street lighting
 Large area illumination
 Emergency lighting
General illumination
 Notebooks, Netbooks
 Mid to large sized LCDs, LED TVs
 PDAs, MP3/PMP,
 Mobile, Smartphones
 Digital cameras
 Video game consoles
 General backlighting
Consumer
Display and signage
 Stadium display
 Advertising display
 Video wall
 Traffic lights, road signs
Transportation/ information display
Vehicle
 Interior lighting
 Exterior lighting
 Infotainment display backlighting
47
LED lighting by applications
 Residential lighting
 Commercial lighting
 Architectural lighting
 Street lighting
 Large area illumination
 Emergency lighting
General illumination
 Notebooks, Netbooks
 Mid to large sized LCDs, LED TVs
 PDAs, MP3/PMP,
 Mobile, Smartphones
 Digital cameras
 Video game consoles
 General backlighting
Consumer
Display and signage
 Stadium display
 Advertising display
 Video wall
 Traffic lights, road signs
Transportation/ information display
Vehicle
 Interior lighting
 Exterior lighting
 Infotainment display backlighting
48
Display and signage: LED array drivers
Traffic/signal
LED special
illumination
Large
Panel signs
Appliances
(1/2)
49
Games, toys
STP04CM05
STP08CP05
STP08DP05
STPIC6C/D595
STP16*P*05
STP24DP05
LED2472
LED1642G/GW
Traffic/Info Displays
Bus/Train displays
Traffic lights
Signals
Architectural
Emergency light
Indoor lighting
Mono /Full-color
Video Large Displays
 Front Display Panels
 LED indicators
 LED lights functions
•Gambling
•Amusement
* is used as a wildcard character for related part number
Display and signage: LED array drivers
• 4 channels, 80-400mA
• Adjustable output current using a single
external resistor
• 20V output driving capability
• Serial data IN / parallel data OUT
• Thermal shut-down
STP04CM05
STP24DP05
STP08CP05
STP08DP05
STPIC6C/D595
• 8 –bit shift register with DMOS O/Ps
LED driver
• Serial dataI/P, parallel data O/P
• Io=120mA (D), 100mA (C)
• Vled= 20V (D), 33V (C)
STP16*P*05
• 16 channels, 5-100mA
• Adjustable output current through
external resistor
• Short and open output error detection
• Auto Shut-Down
• Balanced output rise/fall time
• Serial data IN / parallel data OUT
•
•
LED2472 (**)
LED1642G/GW (**)
* is used as a wildcard character for related part number, (**) Samples available in Q4/12
50
• 8 x 3 Channel groups of constant current output channels, 5-80mA
• Adjustable output current through one external resistor for each
group of 8-channel
• Output gradual delay (typ. 30ns for each group)
• Short and Open Output Error Detection
• Serial Data IN / Parallel Data OUT
• Thermal shut-down
•
• 8 channels, 5-100mA
• Adjustable output current through
external resistor
• Serial data IN / parallel data OUT
• Thermal shut-down
• Short and open output error detection
(2/2)
•
•
•
•
•
24 channels,3 groups (RGB) of 8 constant current LED sink
drivers
Output current from 4mA to 72mA
Current set through a single external resistor for all groups and
separately adjustable for each color by a 6bit gain register into two
sub-ranges (64steps per range)
LED fault detection (open and short conditions)
Auto Power Shutdown and Auto Wake-Up
Output gradual delay (typ. 10ns)
SDO synchronization on the falling edge of the clock signal
Thermal shutdown and overtemperature alert through serial
interface
• 16 channels, 3-36mA
• Normal and Stealthy error detection for open and shorted circuit LED
(only for G series)
• Normal error detection for open and shorted circuit LED (only for
GW series)
• Programmable shorted LED detection thresholds
• Current programmable through external resistor
• 7 bits global current gain adjustments in two ranges
• 12/16 bit PWM Grayscale Brightness control (only for GW series)
• Programmable output turn on/off time
• Selectable SDO synchronization on the CLK falling edge
• Auto power saving/auto wake up
• Gradual output delay (selectable)
• Thermal shut-down and overtemperature alert
Display and signage: LED by-pass diode
Without
LED by-pass
protection
LBP01-0803SC5
350 mA LED bypass
Current
Generator
With
LED by-pass
protection
LBP01-0810B
1 A LED bypass
Current
Generator
51
Display and signage: solutions
(1/2)
8 RGB LEDs
STEVAL–ILL009V3
OSRAM OSTAR projection
LEDs (8x350mA) board
Data brief
STEVAL-ILL009V5
+
New RGB LEDs color
demonstration board based on
the STP04CM05, STP08CP05
and ST1S10
4 RGB LEDs
AN2531
STEVAL–ILL009V4
OSRAM Golden DRAGON
LEDs (4x700mA) board
Data brief
5x8 LEDs
STEVAL-ILL002V3 / V4
High brightness LED driver
with diagnostics demonstration
board based on the STP08DP05
•
•
•
•
•
Brightness regulation
Blinking Speed regulation
Animated Text
Graphic user interface (GUI)
DC-DC converter
AN2415
AN2478
52
Display and signage: solutions
(2/2)
16x32 LEDs
• Keyboard interface for
display data configuration
• MicroSD card interface for
data storage
• GPS Interface
• 16x32 LED matrix display
STEVAL-ILL024V1 / STEVAL-ILL025V1
Master/Slave boards for LED display
based on STP16DP05 LED matrix driver and
STM32F103 microcontroller
STEVAL-ILL003V2
4x8 LEDs
High-brightness LED driver
without diagnostic demonstration board
based on STP16CP05
16 RGB LEDs
STEVAL-ILL015V1
RGB LED array with LED error
detection board based on the
STP24DP05 and STM32
•
•
•
•
•
32 LED matrix
Adjustable brightness
Adjustable blinking speed
Animated text capability
DC-DC converter for high efficiency
UM0767
AN2141
• Adjustable brightness and color of each
LEDs
• JTAG interface for C firmware update
• Mini USB connector for PC GUI
• GUI software for LED diagnostic
• Error Detection Feature
UM0574
• Control unit with PS2 keyboard
interface for data entry
• Control unit with LCD which displays
text and background color options
• 3 config mode: data entry, audio
playback or demonstration
UM1449
16x16 RGB LEDs
STEVAL-ILL033V1 / STEVAL-ILL032V1
Master/Slave
RGB LED matrix demo boards
based on STP24DP05 and STM32
53
LED lighting by applications
 Residential lighting
 Commercial lighting
 Architectural lighting
 Street lighting
 Large area illumination
 Emergency lighting
General illumination
 Notebooks, Netbooks
 Mid to large sized LCDs, LED TVs
 PDAs, MP3/PMP,
 Mobile, Smartphones
 Digital cameras
 Video game consoles
 General backlighting
Consumer
Display and signage
 Stadium display
 Advertising display
 Video wall
 Traffic lights, road signs
Transportation/ information display
Vehicle
 Interior lighting
 Exterior lighting
 Infotainment display backlighting
54
Vehicle, interior lighting: LED drivers
55
Interior LED light: A597* - A798*A
Dashboard: A597* - A798*A - STP**
LCD backlight: LED770*
LED indicator: STP**
ST provides a complete solution for automotive interior LED lighting and backlighting
Accurate and compact for very small form factor applications
High reliability and robustness (AEC-Q100 qualified)
High efficiency
Complete and flexible fault management
Extremely high dimming performance
Input voltage range up to 36 V
* is used as a wildcard character for related part number,
Vehicle, exterior lighting: LED drivers
A597*
A798*
STP**
LED5000
LED6000
LED6001
ST provides a complete solution for automotive exterior LED lighting, DTRL, tail and turn lights
Accurate and compact for very small form factor applications
High reliability and robustness (AEC-Q100 qualified)
High efficiency and complete fault management
High-performance LED drivers with integrated diagnostic functions
Extremely high dimming performance
Input voltage range up to 61 V
* is used as a wildcard character for related part number,
56
57
Communication in LED lighting
Communication in LED lighting
DALI
Home & public building
lighting applications
Wireless communication
RF ZigBee ®
RF Sub-GHz
Smart Street Lighting
Power line
communication
DMX
Theaters, stage lighting &
architectural / fashion lighting
58
Communication in LED lighting: DALI
Typical DALI
architecture
Level
translator
DALIMCU
RS232/DALI
converter
59
Ballast 1
DALI bus
LED Lamp1
AC Main
DALI main features
Level
translator
DALIMCU
 simple wiring: use 2 standards electrical installation
cables (no special communication cables), no special
wiring topology
 simple installation: cable polarity independency, light
source addressing, connection by means a dedicated
BUS
 digital host control – use low cost microcontrollers on
light source side
 data rate: 1200 bits/sec
 physical interface: Low V= -6.5V, High V=+22.5V
 Individual address in command
 Up to 64 receivers can be connected to DALI control
module
Ballast 2
LED Lamp 2
Level
translator
DALIMCU
Ballast
2
Ballast n
Line
N
DA
DA
Example of DALI wiring
LED Lamp n
DALI implementation into ST MCU
Software emulation of DALI bus + additional DALI stack = DALI library
• IO pin driver
• Physical and link layer of DALI interface (bit timing, bus error recovery control, DALI
frames transmission/reception)
• Occupied resources:
• 2 GPIO pins – selectable (RX and TX) + 1 GPIO interrupt
• 1 Timer (DALI protocol timing) + 1 Timer interrupt
• DALI stack layer
• DALI commands implementation
• HW independent
• Main user application
• Example for STM8S-Discovery
• Example for STM32-Discovery
• Example for STM32L-Discovery
60
Hardware Connection for DALI (1/2)
STEVAL-ILM001
STM8S-DISCOVERY kit
61
Hardware Connection for DALI (2/2)
• Order the STEVAL-ILM001 board and STMxx-DISCOVERY kit
• Get the a DALI master module
RS232/DALI
converter
• ST7DALI kit (link)
• Program STMxx-DISCOVERY with an example program
• Connect the module to the DALI bus and module to STMxx-DISCOVERY
• Control on-board LED as “a lamp” through DALI master
DALI bus
...
DALI master
USB
(as a power
supply)
62
ST MCU DALI library – Implementation
63
1.
IO pin driver routines (physical layer)
•
•
•
Direct pin control
Interrupt driven reception and transmission (GPIO pins, timer)
API functions:
•
•
•
2.
Global initialization
Callback function initialization (called if DALI frame received)
Transmit function (called if DALI frame to transmit)
DALI stack routines
•
DALI commands processing (called from physical layer)
•
•
API functions :
•
•
3.
Required DALI commands according DALI specification
Initialization of DALI stack and callback function for light control
Set of functions for error/failure status check
Customer firmware Example
•
Implementation of callback functions for light control:
•
•
•
•
•
Depends on given light control principle
Peripherals control for given control (PWM, ADC, DAC, ... )
Lower layers initialization: IO pin driver, DALI stack
Calls API functions (transmit, error management, status check functions, ...)
Implements another customer application details (e.g. LED status, failure
notification, power management, ...)
Communication in LED lighting: DMX
DMX = Digital MultipleX
Typical
DMX512
architecture
DMX512
HOST
(Transmitter)
DMX512
receiver 1
DMX512
receiver N
DMX512
receiver 2
Each packet goes through every receiver in the daisy chain
DMX512 Main features
• Up to 512 receivers can be connected to the DMX host
• Daisy chain connection
• Physical interface: 3 to 5 wires
• Data rate: 250 kbits/sec
64
Communication in Smart Street Lighting
Each lamppost provides lighting data
(by means power line or wireless transceivers)
to a district concentrator
that manages and transmits the relevant data
(often via a digital cell phone modem)
to a secure server that captures the data and
presents it in a web-browser interface
Lamppost with
- Advanced high efficiency power stages
- Communication interface
- Various smart sensor to monitor weather
conditions, lamppost inclination and air
pollution
The bi-directional communication allows the complete
remote control of the lamps
Dimming level
Adjust On/off timing
Lamp failure
Pole tilt
Energy consumption
65
Communication in LED lighting: microcontrollers
STLUX385 (*)
The 8-bit microcontroller tailored for lighting
applications
(1/3)
STM32
The 32-bit microcontroller family
STLUX385
Special features
 6 SMEDs (State Machine Event Driven )
independent PWM programmable pulse signal generators
Fast analog comparators (50ns max propagation delay)
 96MHz PLL for high output signals resolution
10 bit, 8 multiplexed channels ADC with operation amplifier
to extend resolution to 12 bit
DALI hardware communication cell
Suited to manage DALI protocol and street
lighting communication
(*) Engineering samples available
Suited to manage DMX, DALI protocols and
street lighting communication
66
Communication in LED lighting: wireless MCUs and transceivers (2/3)
SPIRIT1
STM32W ARM CORTEX-M3
IEEE 802.15.4 wireless system-on-chip
Sub-GHz transceiver
Integrated 2.4 GHz radio MCU enables
efficient and low cost wireless network
implementation
Low Power RF Transceiver,
intended for RF application in the sub-1GHz Band
 IEEE 802.15.4, 2.4 GHz best in class radio performance
 Fits most popular protocol stacks:
ZigBee, RF4CE, 6LoWPAN and more
 Open32-bit platform providing standardized IEEE802.15.4
MAC interface for specific protocol stacks or future stack
evolutions such as IP based
 Configurable I/Os, ADC, timers, SPI, UART
 Wide ARM Cortex-M3 tools based offering
•
•
•
•
•
•
Frequency bands: 169, 315, 433, 868, 915 MHz
Extremely low power consumption
[9mA RX, 21mA TX @ +11dBm]
Programmable channel spacing (12.5 kHz min),
complying with the EN300 220 standard
Main operating parameters controlled via SPI interface
Integrated SMPS allowing very Low Power Consumption
Configurable data rate from 1 to 500 kbps
Suited for wireless communication
67
Communication in LED lighting: power line transceivers(3/3)
ST7540 Power line transceiver
68
STarGRID power-line
networking SoC platform
The highly compact and cost effective solution
for narrowband power line communication
 Half duplex binary FSK transceiver
 8 programmable communication frequencies
 Programmable baud from 600 to 4800 bps
 Integrated single ended line driver
 Freezable power amplifier output level
 Tunable output active filtering
 Integrated 5 V, 50 mA linear voltage regulator
 Integrated 3.3 V, 50 mA linear voltage regulator
Secure access 48 bit control register
 Programmable carrier and preamble detection
 Programmable band in use detection
 Programmable header and frame length recognition
 Watchdog timer
 SPI/UART microcontroller interfacing
 Very low power consumption (Iq=3.5 mA)
 Very high sensitivity (0.25 mV RMS)
 Compliant with CENELEC EN50065 and FCC part
15 regulatory specifications
STarGRID product family
ST7570, ST7580, ST7590
 Fully-integrated narrowband power-line networking system-on-chip
 High-performance DSP with embedded programmable turnkey
firmware for multiple-modulation management
 Convolutional correction coding
 Programmable bit rates up to 128 Kbit/s
 Channel quality estimation
 Host UART/SPI controller
 I2C/SPI external data memory interface
 High-speed memory controller for optional code execution from
external memory
 Watchdog timer
 On-chip 128-bit AES encryption HW block
 Fully integrated analog front end
 High-sensitivity receiver
 High-linearity transmitter
Suited for wired communication
Communication in LED lighting: solutions
STEVAL–ILM001V1
DALI communication interface
DALI
STM8S/STM32F
Discovery kit
DMX
STEVAL–ILL030V1
LED lighting control
using DMX512 control based on
STM32F102C6 and STCS1A
STEVAL-IHP005V1
PLC
General purpose ST7540 power line
modem module based on ST7540 PLM
and STM32 microcontroller
(1/2)
• Provides all the functions required by
the DALI standards
• STM8S/STM32F-DISCOVERY +
STEVAL-ILM001V1 working as a
DALI slave
• Suitable for connection with any DALI
network
• Configuration of the board mode as
transmitter, receiver or standalone
• Up to 512 receivers can be connected
to the DMX host
• Simple API stack inside
• Easy point to point and point to
multipoint communication
69
Communication in LED lighting: solutions
RF Sub-GHz
STEVAL–IKR001V1, V2/V3/V4/V5
Sub-GHz transceiver development kit
based on the SPIRIT1
STM32W-RFCKIT
STM32W Low cost RF control kit
RF ZigBee
STEVAL-IDZ30*V1
Demonstration kit
for the SPZB32W1 series
of 802.15.4/ZigBee
radio communication modules
* is used as a wildcard character for related part number,
(2/2)
• STM32L microcontroller based mother
board
• Modulation schemes: 2-FSK, GFSK,
MSK, GMSK, OOK and ASK
• Programmable through GUI
• The kit includes 1 remote board and 1
receiver board
• 802.15.4, ZigBee RF4CE, ZigBee,
6LoWPAN (contiki) wireless protocols
• Integrated RF module belonging to the
SPZB32W1 series of IEEE 802.15.4
ZigBee® modules
• The kit contains a software library
including utilities and application
samples
• Hardware support for application
development( temperature sensor,
circuit for battery voltage, two
configurable LEDs, two configurable
push buttons)
70
LED lighting: tools
71
LED
lighting
brochure
eDesignSuite
Smart simulator tool
www.st.com/edesignsuite
LED
application
web pages
www.st.com/ledlighting
www.st.com/ledlighting
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