LED lighting - Компэл · CONVERTER BUCK CONVERTER L6562A(T), L6564 (T / H) Transition mode...

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



Display and signage

Consumer




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



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



TSM1xx, SEA05CC-CV controller

MCU

Digital approach

Analog approach

ANALOG CONTROLLER

BUCK CONVERTER

BUCK CONVERTER

ANALOG CONTROLLER

BUCK CONVERTER

BUCK CONVERTER



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





• Synchronous Rectification &

• Internal Compensation (minimum BOM)


Main features

LED5000

Main features

• Input voltage: 5.5V to 48V




• ± 3% output current accuracy


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


>100W>100W



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


Display and signage

Consumer






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


Display and signage

Consumer






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


Display and signage

Consumer






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


• Adj. current limit: up to 3A in buck

• Buck - Buck-boost - Floating Boost


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

LED lighting - Компэл · CONVERTER BUCK CONVERTER L6562A(T), L6564 (T / H) Transition mode...

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Transcript of LED lighting - Компэл · CONVERTER BUCK CONVERTER L6562A(T), L6564 (T / H) Transition mode...