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LED lightingEster Spitale
LED lighting by application 2
23/01/2013Presentation Title
Display and signage
Consumer
General illumination
� Residential lighting� Commercial lighting� Architectural lighting� Street lighting� Large area illumination� Emergency lighting
� Notebooks, Netbooks� Mid to large sized LCDs, LED TVs� PDAs, MP3/PMP, � Mobile, Smartphones� Digital cameras� Video game consoles� General backlighting
� Stadium display� Advertising display� Video wall � Traffic lights, road signs�Transportation/ information display
Vehicle� Interior lighting� Exterior lighting� Infotainment display backlighting
LED lighting by applications 3
General illumination
� Residential lighting� Commercial lighting� Architectural lighting� Street lighting� Large area illumination� Emergency lighting
Display and signage
Consumer
� Notebooks, Netbooks� Mid to large sized LCDs, LED TVs� PDAs, MP3/PMP, � Mobile, Smartphones� Digital cameras� Video game consoles� General backlighting
� Stadium display� Advertising display� Video wall � Traffic lights, road signs�Transportation/ information display
Vehicle� Interior lighting� Exterior lighting� Infotainment display backlighting
General illumination needs
• Typical partitioning of AC supplied LED drivers
• <20W: retrofit of incandescent lamps or spotlight for indoor• Single LED string / LED current from 10mA to 1A
• <60-70W: indoor lighting, residential and street-lighting• Single or multiple LED strings / LED current from 100mA to >1A
• >60-70W: street-lighting• Single / multiple LED strings / LED current from 100mA to >1A
4
23/01/2013
WIDE SET OF SOLUTIONS REQUIRED
5
Up to 15W
General
architecture
up to 5W
General
architecture
above 5W
HVLED805Off-line LED drivers with primary sensing
HVLED807PF HVLED815PFOff-line LED drivers with primary sensing
and high PF
General illumination: architectures(1/3)
AC Mains
HIGH POWER FACTOR FLYBACK
CONVERTER
FLYBACK CONVERTER
Dimmer HIGH POWER
FACTOR FLYBACK CONVERTER
TS820-600Sensitive gate SCRs
AC Mains
AC Mains
6General illumination: architectures(2/3)
TL431Voltage reference
STLUX385 digital lighting platform (*)
STM32 32-bit Microcontrollers
LV MOSFETPM8834 dual low side driver
LEDxxxx series DC-DC LED drivers
L6562A(T), L6564(T) in fixed frequency mode
LV MOSFET
MCU
Digital approach
General
architecture
for LED single string
General
architecture
for LED multi-string
Analog approach
ANALOG CONTROLLER
BUCK CONVERTER
BUCK CONVERTER
ANALOG CONTROLLER
BUCK CONVERTER
BUCK CONVERTER
L6562A(T), L6564 (T / H) Transition mode PFC controller
SuperMESH3 / 5 - HV MOSFET
TSM1xx, SEA05CC-CV controller
Voltagereference
HIGH POWER FACTOR
FLYBACK CONVERTER
CC / CVcontroller
HIGH POWER FACTOR
FLYBACK CONVERTER
AC Mains
From
15W to 75W
AC Mains
L6562A(T), L6564 (T / H) Transition mode PFC controller
SuperMESH3 / 5 - HV MOSFET
7General illumination: architectures(3/3)
TL431Voltage reference
Above75W
General
architecture
for LED single string
General
architecture
for LED multi-string
L6599A(T), L6699 PWM controller
MDMESH - HV MOSFET
PFCAC Mains RESONANT
CONVERTERCC / CVcontroller
PFCAC Mains
RESONANT CONVERTER
Voltagereference
L6562A(T), L6564 (T / H) Transition mode PFC controller
SuperMESH3 / 5 - HV MOSFET
TSM1xx, SEA05CC-CV controller
MCU
Digital approach
Analog approach
ANALOG CONTROLLER
BUCK CONVERTER
BUCK CONVERTER
ANALOG CONTROLLER
BUCK CONVERTER
BUCK CONVERTER
L6562A(T), L6564 (T / H) Transition mode PFC controller
SuperMESH3 / 5 - HV MOSFET
L6599A(T), L6699 PWM controller
MDMESH - HV MOSFET
STLUX385 digital lighting platform (*)
STM32 32-bit Microcontrollers
LV MOSFETPM8834 dual low side driver
LEDxxxx series DC-DC LED drivers
L6562A(T), L6564(T) in fixed frequency mode
LV MOSFET
General illuminationProducts and tools
23/01/2013
General illumination HVLED family - products
• APPLICATIONS• Retrofit of incandescent lamps
• AC Mains supplied spot lamps
23/01/2013
9
7W 15W5W
HVLED805 HVLED807PF HVLED815PF
Maximum output power for V IN = 185 - 265VAC
platforms with variable number of LEDs in series
compliant with PF requirements
800V integrated mosfet (state-of-the-art) reduces application cost
• 5% Current ACCURACY ���� State-of-the-Art LED Current Precision
• No Opto-coupler & CC controller ���� Low BOM
• Internal 800-V MOSFET ���� High Reliability (Market Benchmark)
• Adjustable Over Voltage Protection � Protection against LED String Open
• Quasi-Resonant OM � High Efficiency
• Automatic Self Supply � Operation with variable number of LEDs
HVLED805
OFF-LINE FLYBACK
Compact Fixed-Light LED Retrofit up to 5 W (*)
EXAMPLES (*) :• 4 350-mA LEDs• 6 200-mA LEDs
(*) in wide VIN range;
10
� Only 1 IC� No Dissipation in secondary R SENSE
Standard Isolated Solution: Secondary-Side FB and VOUT Regulation
Constant Current Controller
Sense Resistor in series with LEDs
Opto-coupler for Galvanic Isolation
Auxiliary Winding needed for Supply Voltage
Auxiliary Winding used for Output Current Sensing and Control
LED Current set by a Resistor
HVLED805 Solution: Primary-Side FB
and IOUT Regulation
� 2 ICs + 1 Opto� Dissipation = I² ×RSENSE
Standard Controller
HVLED805Improved BOM, Form Factor & Efficiency
11
HVLED807PF/815PF
HVLED805 up to 5 W
HVLED807PF up to 7 W(*)
HVLED815PF up to 15 W(*) Power Factor > 0.9 ! …compliant with
Compact Fixed-Light LED Retrofit…now up to 15 W …with Power Factor Correction!
• Extended Power
• Power Factor Correction Available
• First Results of Dimmability with Triac-Dimmers: alr eady Available Boards in US V IN
(*) in wide VIN range;
12
23/01/2013
13
(*) Available in Q4 2012 (**) Not isolated version available STEVAL-ILL045V1
Up
to 1
5W
STEVAL-ILL044V1 (*), (**)9 W Triac dimmable
LED power supply
based on HVLED815PFHPF Flyback
� Vin = 90-132 Vac� Iled = 175mA� Voutmax =56V � Power factor >0.98� Efficiency >86%� Dimmable over 90V to 132V range� Isolated version (**)
AN4129 AN4130
STEVAL-ILD003V1 / V26W / 8W Home analog Light
dimmer
based on TS820-600
• 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
UM1512
UM1513
General illumination HVLED family – tools 1/2
EVALHVLED815 (*)10.2 W LED power supply
based on HVLED815PFHPF Flyback
� Vin = 185-265 Vac� Iled = 340mA� Vout = 30V� Power factor = 0.92� Average efficiency 86%
AN draft (*)
23/01/2013
STEVAL – ILL037V13.2 W LED power supply
based on HVLED805Flyback
� Vin = 90-265 Vac� Iled = 200mA� Voutmax =16V � Efficiency = 85%
AN3360
EVALHVLED8054.2 W LED power supply
based on HVLED805Flyback
� Vin = 185-230 Vac� Iled = 350mA� Voutmax =12V � Output current ripple < 10%� Average efficiency >70%
Data brief
Up
to 1
5W
General illumination HVLED family – tools 2/2 14
General illumination power conversion stage - products
• APPLICATIONS• Input power stage to generate:
• controlled LED current (single string)• controlled DC bus (multiple stings)
• EN61000-3-2 compliant applications (THD reduction)
• –40oC parameter spec’s required
• outdoor, indoor and street-lighting
23/01/2013
15
General illumination power conversion stage – PFC control
• NEEDS• THD harmonic content limited according to EN61000-3-2 on wide power range
• Removal of input HV electrolytic cap (increase of MTBF)
• –40oC parameters spec’s required
• High-power-factor flyback or standard PFC pre-regulator topology
23/01/2013
16
new values introduced
High-voltage start-up for efficiency and BOM
optimization
parameter temperature range extension
new 10 pin controller for CCM
Long experience in Transition Mode PFC (L656* family). Since 2010, more than 200Mio/y of PF controllers sold
L6564H as single-stage controller for LEDs 17
• Set of protections for complete application reliability• open LED string detection (not latched)
• transformer saturation protection (not latched)
• input Mains under-voltage detection
• input voltage feed-forward
• input pin for remote ON/OFF control
• 700V High-Voltage Start-Up on-chip
L6564H
AC MAINS
LEDs
General illumination power conversion stage – PWM control
• NEEDS• PWM stage to create output voltage bus for LED strings
• Isolated topology
• High efficiency
• –40oC parameters spec’s required
• outdoor, indoor and street-lighting
23/01/2013
18
L6599A(T) & L6699
LLC resonant control
EMI filter: reduced cost
(smooth waveforms)
transformer: size and efficiency
optimized
ZVS (zero-voltage-switching)
heat-sink: reduced / removed
(no switching losses)
EMI filter:Reduced cost
(low dV/dt)
General illumination – LED drivers
23/01/2013
19
Monolithic LED driver
(buck, buck-boost, floating boost
topologies supported)
• Input Voltage 5.5V to 48V• Current up to 3A• Switching Frequency: 850kHz• PWM Dimming • ± 3% Output Current Accuracy• FB Voltage 200mV for Low
Dissipation
LED5000
General illumination New DC-DC LED drivers
23/01/2013
20
LED2000 LED2001 (*)
• Input voltage: 3V to 18V
• Adjustable output current: up to 4A
• Switching frequency: 850kHz
• PWM Dimming with deep resolution
• Synchronous Rectification
• Internal Compensation (minimum BOM)
• FB voltage 100mV for low dissipation
Monolithic buck LED driver
with synchronous rectification
(*) Samples available
Monolithic buck LED driver
with synchronous rectification
Main features
• Input voltage: 3V to 18V
• Adjustable output current: up to 3A
• Switching frequency: 850kHz
• PWM Dimming with deep resolution
• Synchronous Rectification &
• Internal Compensation (minimum BOM)
• FB voltage 100mV for low dissipation
Main features
LED5000
Main features
• Input voltage: 5.5V to 48V
• Adjustable output current: up to 3A
• Switching frequency: 850kHz
• PWM Dimming with deep resolution
• ± 3% output current accuracy
• FB voltage 200mV for low dissipation
Monolithic LED driver
(buck, buck-boost, floating boost
topologies supported)
Flash light
Emergency
lighting
Streetlight & multistring
21
General illumination digital platform
STLUX385
STLUX385: High Performance Digital Platform for Lighting Applications
STLUX385: High Performance Digital Platform for Lighting Applications
• SPECIAL FEATURES• 6 independent programmable PWM’s
• STM8 core
• 96MHz PLL for high resolution LED control
• SUPPORTED TOPOLOGIES• Buck converter for multistring LED driving
• Digital SMPS (PFC + half bridge)
• Digital ballast for TL
• HID control
DIFFERENT TECHNOLOGIES
forBEST
PERFORMANCES
ST Power MOSFETsST Power MOSFETs
PFCTransition Mode ZVS
PFCTransition Mode ZVS
25W – 50W25W – 50W STx3N62K3 STx5N62K3STx3N62K3 STx5N62K3
50W – 100W 50W – 100W STx7NM60N STx10NM60NSTx7NM60N STx10NM60N
>100W>100W STx13NM60N STx18N55M5STx13NM60N STx18N55M5
PWMHigh PF Flyback
PWMHigh PF Flyback
15W – 75W15W – 75W
STx7N80K5STx7N80K5
STx21N90K5STx21N90K5
STx6N95K5STx6N95K5 STx20N95K5STx20N95K5
PWMLLC Resonant
PWMLLC Resonant
75W - 100W75W - 100W
STx9NM60NSTx9NM60N
STx10NM60NSTx10NM60N
STx11NM50NSTx11NM50N
>100W>100W
STx14NM50NSTx14NM50N
STx13NM60NSTx13NM60N
Current ControlCurrent Control “H5” – “H6” Series –PowerFLAT packages“H5” – “H6” Series –
PowerFLAT packages
General illumination power conversion stage – MOSFET 22
General illumination power conversion stage – MOSFET
23/01/2013
23
40V-250V
STripFET ™ II
STripFET ™ III
STripFET ™ V
600V-620V > 650V
SuperMESH5 ™
Outstanding static and dynamics
performances at 800V-950V
SuperMESH3 ™ and MDmesh™ II
Low Rdson(on),Best in class in
dV/dt,Available in PowerFLATpackages
Ideal for high switching frequency,
Excellent figure of merit FoM
General illumination power conversion stage – tools
23/01/2013
24
Fro
m 1
5W t
o 7
5W
EVAL6564-50WFLB (*)50W Power supply
based on L6564THPF Flyback
AN draft
� 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)
Fro
m 1
5W t
o 7
5W
STEVAL-ILL042V1 (*)60W LED power supply
based on L6562A and TSM101HPF Flyback
� Vin = 185-265 Vac� Iled = from 350mA to 500mA� Voutmax = 130Vdc� Efficiency > 92%� PF > 0.95
AN3424
STEVAL-ILL043V1 (*)75W Two independent
LED strings power supply
based on L6562A HPF Flyback
+ 2 inverse buck converter
� Vin = 185-265 Vac� Iled = 700mA� Voutmax = 65Vdc � Efficiency > 92%� PF = 0.96� Independent LED string dimming � Remote turn-on / turn-off
AN draft
General illumination power conversion stage – tools
23/01/2013
25
Fro
m 1
5W t
o 7
5W
Abo
ve 7
5W
STEVAL-ILL031V1120W Digital constant current
LED driver based on STM8S208x4 Inverse buck converters
+EVL6562A-LED
16.8 W Analog constant current
LED driver based on L6562AInverse buck converter
AN3106
EVL130W-STRLIG130 W power supply
based on L6562A and L6599APFC circuit + Resonant converter
AN2983,AN2828
AN3151
on request
Analog
approach
Digital
approach
Analog
approach
LED5000
DC-DC LED driver up to 3A
Buck converter
LED lighting by applications 26
Display and signage
Consumer
General illumination
� Residential lighting� Commercial lighting� Architectural lighting� Street lighting� Large area illumination� Emergency lighting
� Notebooks, Netbooks� Mid to large sized LCDs, LED TVs� PDAs, MP3/PMP, � Mobile, Smartphones� Digital cameras� Video game consoles� General backlighting
� Stadium display� Advertising display� Video wall � Traffic lights, road signs�Transportation/ information display
Vehicle� Interior lighting� Exterior lighting� Infotainment display backlighting
27
Consumer: LED Array DriversLED770x Family
Small to mid size LCD Mid to large size LCD
LED matrix drivers with
monolithic boost converter
• 6 rows, max 10 LEDs per row• 4.5V to 36V Input Voltage range• Adj, Current; up to 30 / 85 mA per row• Embedded Boost Converter • VOUT optimization for low dissipation• LED failure detection• PWM Dimming
LED7706 / LED7707 LED7708
LED matrix driver with
boost controller
• 16 channels• 3.6V to 36V Input Voltage range• Maximum current for channel, 85mA• Embedded Boost Controller• Selectable PWM group or independent
dimming• 4 wires, 30MHz serial interface
28Consumer: LED matrix solutions
STEVAL-ILL020V1LCD panels backlight
demonstration board based on LED7706
STEVAL-ILL021V1LCD panels backlight
demonstration board based on LED7707
STEVAL-ILL035V1 LCD panel backlight demonstration
board based on LED7708 and STM32F103C6T6A
� Vin = 4.5Vdc to 36Vdc� 6 rows with 30mA max current
capability� row disable options� up to 10 white LEDs for row� LED failure detection� less than 500ns minimum
dimming time
AN2809
� Vin = 4.5Vdc to 36Vdc� 6 rows with 85mA max current
capability� row disable options� up to 10 white LEDs for row� LED failure detection� less than 10us minimum
dimming time
AN2810
� Vin = 10Vdc to 28Vdc� integrated boost converter� Up to 92% boost converter efficiency
� 16 channels with up to 85 mA/chcurrent capability and indipendentPWM brightness control
� up to 15 white LEDs per channel� On-board STM32 microcontroller for total device control through 4-wire serial interface
Data brief
LED lighting by applications 29
Display and signage
Consumer
General illumination
� Residential lighting� Commercial lighting� Architectural lighting� Street lighting� Large area illumination� Emergency lighting
� Notebooks, Netbooks� Mid to large sized LCDs, LED TVs� PDAs, MP3/PMP, � Mobile, Smartphones� Digital cameras� Video game consoles� General backlighting
� Stadium display� Advertising display� Video wall � Traffic lights, road signs�Transportation/ information display
Vehicle� Interior lighting� Exterior lighting� Infotainment display backlighting
30
Display and signage: LED array drivers
30
Traffic / Advertising Panels
Special Lighting
Gambling / Amusement
User Interface (e.g. White Goods)
31
Display and signage: LED array drivers: STP Family
* is used as a wildcard character for related part number31
COMMON FEATURES
N Current Generators
driven by a µC
SPI
< 3% Channel-to-Channel
Current Accuracy
Adjustable LED Current
SPECIFIC FEATURES
Error Detection
Auto Power Saving
Balanced Turn-on/Off
ADDITIONAL FEATURES OF
NEW PRODUCTS
Programmable Current Gain
Local Dimming
32
Display and signage: LED by-pass diode
Current
Generator
Current
Generator
WithoutLED by-pass
protection
WithoutLED by-pass
protection
WithLED by-pass
protection
WithLED by-pass
protection
LBP01-0803SC5350mA LED bypass
LBP01-0810B1A LED bypass
33Display and signage: solutions(1/2)
STEVAL-ILL002V3 / V4High 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
+
STEVAL–ILL009V3OSRAM OSTAR projection
LEDs (8x350mA) board
STEVAL-ILL009V5New RGB LEDs color
demonstration board based on the STP04CM05, STP08CP05
and ST1S10
STEVAL–ILL009V4OSRAM Golden DRAGON
LEDs (4x700mA) board
AN2531
Data brief
Data brief
5x8 LEDs
8 RGB LEDs
4 RGB LEDs
34Display and signage: solutions(2/2)
STEVAL-ILL024V1 / STEVAL-ILL025V1Master/Slave boards for LED display
based on STP16DP05 LED matrix driver and
STM32F103 microcontroller
• Keyboard interface for display data configuration
• MicroSD card interface for data storage
• GPS Interface• 16x32 LED matrix display
UM0767
• 32 LED matrix• Adjustable brightness • Adjustable blinking speed• Animated text capability• DC-DC converter for high efficiency
STEVAL-ILL003V2High-brightness LED driver
without diagnostic demonstration board
based on STP16CP05
AN2141
4x8 LEDs
16x32 LEDs
• 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
STEVAL-ILL015V1RGB LED array with LED error detection board based on the
STP24DP05 and STM32
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
STEVAL-ILL033V1 / STEVAL-ILL032V1Master/Slave
RGB LED matrix demo boards
based on STP24DP05 and STM32
UM1449
16 RGB LEDs
16x16 RGB LEDs
LED lighting by applications 35
Display and signage
Consumer
General illumination
� Residential lighting� Commercial lighting� Architectural lighting� Street lighting� Large area illumination� Emergency lighting
� Notebooks, Netbooks� Mid to large sized LCDs, LED TVs� PDAs, MP3/PMP, � Mobile, Smartphones� Digital cameras� Video game consoles� General backlighting
� Stadium display� Advertising display� Video wall � Traffic lights, road signs�Transportation/ information display
Vehicle� Interior lighting� Exterior lighting� Infotainment display backlighting
36
Vehicle, interior lighting: DCDC and LED drivers
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
Dashboard:
A597x - A798x - STAPxx
ALED1642 - SOONLCD backlight:
LED770x
Interior LED light:
A597x - A798x
LED indicators:
STAPxx
37Vehicle, exterior lighting: LED drivers
• A597x• A798x• LED5000
(after mkt)
• A597x• A798x• LED5000
(after mkt)
ST provides a
complete solution
for automotive
exterior LED
lighting, DTRL, tail
and turn lights
LED6000
• Input voltage: 4V to 61V
• Adj. current limit: up to 3A in buck
• Buck - Buck-boost - Floating Boost
• PWM Dimming with deep resolution
Main features
LED6001
Main features
• Boost Controller
• Output voltage: up to 60V
• HS Sensing
• Analog & PWM Dimming
• A597*• A798*• LED5000
(after mkt)
• A597*• A798*• LED5000
(after mkt)
38LED lighting: tools
www.st.com/edesignsuite
www.st.com/ledlighting
www.st.com/ledlighting
LED application web pages
LED lighting
brochureeDesignSuiteSmart simulator tool