Решения Инфинеон для надежного электропитания светодиодов
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1 Решения Инфинеон для надежного электропитания светодиодов к.т.н. Евгений Обжерин 30 ноября 2011
2 LED chip area (millions of mm2) Market segments with biggest growth potential: General Lighting + ATV Consumption of LED chip area by application General Lighting CAGR ( ) 39% General Lighting LCD TV Backlighting Automotive Signs and displays LCD TV and Monitors Consumer Portables * / * 19% 4% 7% 5% Source: Yole * Actual growth rates likely to be lower, as OLED to displace LED in Consumer/Portables (>2013) and TV/Monitors (>2015)
3 Our Application Focus is mainly General Lighting Professional Lighting Architectural & Entertainment Outdoor area lighting Others COMMERCIAL Luminaires, desk lamps, high / low bay Wall washer, stripe lights, accent lights, cove lighting, path lights, stage lighting Street, tunnel, parking lot CONSUMER Home appliances projectors RETAIL Downlights, spotlights Refrigerated display case Replacement Lamps INDUSTRIAL Channel letters signs, signals, machines RESIDENTIAL Recessed downlights Pendants, under cabinet, decorative MR16 Linear tubes AUTOMOTIVE Interior lighing,tail Light Copyright Infineon Technologies All rights reserved. Page 3
4 Increasing power level Infineon as System Supplier for LED Lighting AC/DC (primary side) DC/DC (secondary side) FF/QR Flyback Converter Floating Buck Floating Buck Floating Buck Buck LED driver ILD 4035 (0.35A) ILD 4120 (1.2A) ILD 4180 (1.8A) ILD 4001 (ext mosfet) Buck-Boost driver NEW NEW ILD1151 (ext mosfet) FF/QR Flyback Converter LED Linear LED Driver Linear LED Driver Linear Driver Linear LED driver BCR 450 (700mA) BCR 32x (250mA) BCR 420x (150mA) BCR 40x (65mA) AC/DC PWM for lighting ICE PFC NEW ICE LLC ICE QS/FF FLYBACK ICLS single stage NEW PFC - Flyback Converter Discrete Power CoolMOS C6/E6 OptiMOS New Bipolar transistors DALI DMX Copyright Infineon Technologies All rights reserved. Page 4
5 AC / DC LED driver solutions vs. power range 1W to 60W 20W to 150W 50W to 200W+ Primary Side Current Control Secondary Side Feedback Control Secondary voltage control plus current source Benchmarking BOM Less design effort Less lifetime critical components Integrated secondary side controller available Optocoupler required Precise regulation of higher currents Most powerful solution Easy way to drive many parallel strings 11/28/2011 Copyright Infineon Technologies All rights reserved. Page 5
6 Application Topology Our focus applications require a set of different power topologies and system partitioning concepts two-stage PFC + non-isolated floating buck multi-string Offline-LED Driver (no sec. side Drivers) - PFC/QR or FF flyback (PCC*) single-stage - PFC/non-isolated buck single stage PFC+QR Flyback (PCC*) two-stage Scope of ICLSx-Series NON Dimming AC/DC Voltage Power Supply (+ sec. side Drivers) two-stage PFC+LLC (SVC**) DC/DC LED Driver MR16 (12VAC) - buck (<3W) - boost (>3W) two-stage PFC+QR Flyback (SVC**) single-stage PFC/Flyback (SVC**) Outdoor Park/Parking/Tunnel Outdoor Tunnel/Street Lighting Indoor Professional Downlight Indoor Professional Office & Commercial (Luminaire) Indoor Professional Industial (high-bay) Consumer - Retrofit & Residential 5W 10W 20W 30W 40W 60W 80W 100W >200W *Primary Current Control **Secondary Voltage Control Copyright Infineon Technologies All rights reserved. Page 6
7 AC/DC primary side controller at a glance Retrofits Core competence One of the smallest bulb replacement approach currently in the market. Dedicated portfolio. Lighting power supplies and street lighting Integrated solutions fully protected for AC/DC conversion Scalability of controller ICs Best in class power semiconductors Full topologies availability Single stage BULB & SPOT light replacement - ICL8001 and ICLSxxxx PWM controllers Medium power architectures for lighting power supplies - ICE PFC controller ICs and QR/FF CoolSET High power for street and stage lighting - ICE PFC controller ICs and ICE LLC - CoolMOS and OptiMOS power mosfets - New DALI/DMX 8Bit mcontrollers Copyright Infineon Technologies All rights reserved.
8 Primary side current control solutions Primary Side Current Control compact and competitive low cost solution Efficiency & Power Factor Control Scheme Best in class BOM ( -30% cmp to standard ) No feedback required, integrated startup cell Smallest form factor With or without dimming support 90% for ICL80x series 87% for ICLS6x series CoolMOS integrated or ext. FET PFC stage integrated PF > 98% Quasi Resonant Flyback in ICL80x series Fixed Frequency Flyback in ICLS6x series Constant Power control Isolated solution Dimming ICL80x series: phase cut dimmable ICLS6x series: non-dimming 11/28/2011 Copyright Infineon Technologies All rights reserved. Page 8
9 Single-stage isolated Flyback LED driver Dimmable LEDSET Typ V DS (V) R RDSON (Ohm) Nominal Power (±15%) 230V VACIN Package ICL8001G PFC / QR-FB Ext. FET - Ext. FET PG-DSO-8 NEW ICLS8082G PFC / QR-FB 800V CoolMOS 2,26 26W PG-DSO-12 Non-Dimmable LEDSET P/N NEW Typ V DS (V) CoolMOS R RDSON (Ohm) Nominal Power (±15%) 230V VACIN Package ICLS6021J PFC+ FF-FB 650V 6,45 12W DIP-8 ICLS6022J PFC+ FF-FB 650V 4,70 17W DIP-8 ICLS6022G PFC+ FF-FB 650V 4,70 17W DSO-12 ICLS6023J PFC+ FF-FB 650V 1,70 26W DIP-8 ICL8001G ICLS8023Z PFC+ FF-FB 800V 2,26 24W DIP-7 Key Features: Efficiencies 90% (ICL80xx) 89% (ICL6xxx) PF > 98% Best in Class BOM Smallest form factor Phase-cut dimmable (ICL80xx) Dimmer-safe (ICLS60xx) 11/28/2011 Copyright Infineon Technologies All rights reserved. Page 9
10 Single-stage isolated Flyback LED driver Single-stage PFC/QR-Flyback Solution for Phase cut dimmable LED Retrofit Lamps Features Efficiency up to 90%, Power Factor > 95% Good accuracy in Line Regulation < 5% For all phase cut dimmers Pass THD in ICE in Class C Benefits High lm/w and less heat generated Homogenous light output No changes in installation required In accordance with legal requirements 11/28/2011 Copyright Infineon Technologies All rights reserved. Page 10
11 Constant current vs. constant power Constant Power Control allows Savings on Heat Sink Design Constant Current Approach Heat Sink Savings Constant Power Approach Variations in Vf classes do no longer require extra safety margins in heat sink design very good thermal management minimized LED bulb system cost 11/28/2011 Copyright Infineon Technologies All rights reserved. Page 11
12 Single-stage solutions What about precision? A good Compromise: Current +- 4% and Power Factor >90% 11/28/2011 Copyright Infineon Technologies All rights reserved. Page 12
13 Overview of of SMPS IC solutions AC/DC for Secondary Side Regulated Solutions PFC DCM PFC CCM PFC TDA4863 TDA4862 ICE2PCS0xx ICE3PCS0xx Flyback Fixed Frequency Quasi Resonant CoolSET ICE3-series CoolSET ICE2Q-series LLC Forward LLC Forward ICE1HS01 ICE2HS01 LLC+SyncRect ICE1CS02 Combo PFC/FB single stage ICL8000-series ICLS6000-series TDA4863 For all CoolSET types, visit 11/28/2011 Copyright Infineon Technologies All rights reserved. Page 13
14 120W reference design for wide area lighting Highly efficient dimmable LED solution Modular solution w/ adaptive voltage scheme to maximize efficiency Vin: VAC Power Factor >0.95 Vbus: 37V-48V Efficiency >92% I LED : 4 x 700mA PWM Dimming DALI Interface Option TDA4863-2G (DCM-PFC) + ICE2HS01G (LLC) CoolMOS C6 + OptiMOS BCR450+BDP947 (LED Driver+Booster) XC824 (MCU) 11/28/2011 Copyright Infineon Technologies All rights reserved. Page 14
15 LED Driver ICs at a Glance Market position We are #1 with linear LED drivers in channel letters and signage. We offer a fast growing portfolio of switch-mode LED drivers for high power LEDs. Linear LED drivers Core competence The smallest available LED drivers with adjustable LED current on the market. The most cost effective LED drivers and the only dedicated 0.5W LED drivers on the market. Switch-mode LED drivers Thermal protection to extend lifetime of the LED/System. PWM and DC voltage dimming. LED Controllers with external MOSFETs for great design flexibility. LED drivers for all LED power classes Low power LED drivers W LEDs - BCR40xW, BCR40xU, BCR205W Medium power LED drivers - 0.5W LEDs - BCR32xU, BCR42xU High power LED drivers - > 1W LEDs - BCR450, ILD4 family More info: Copyright Infineon Technologies All rights reserved.
16 Max I out (A) 0.02 A 0.15 A 0.35 A 0.7A 2A+ SELV Isolation Our Products for a wide Range of Applications ILD Switch NEW ILD Switch ILD4120 / ILD4180 NEW BCR450 + Switch ILD4035 ILD2035 NEW BCR320/321U BCR205W + Switch BCR420/421U BCR405U Buck/boost Buck BCR402W BCR401W BCR402U BCR401U Linear max. V out (V) Copyright Infineon Technologies All rights reserved. Page 16
17 Resistor biased LED Driving: No LED protection & inhomogenous light output Required driving current is 12.0V Disadvantages of resistor biased LED driving compared to linear drivers Major driving current change if Vs changes slightly change in light output Higher Ta increases the LED current significantly thermal runaway no LED protection Copyright Infineon Technologies All rights reserved. Page 17
18 Efficiency [%] Single Stage PFC with Fly-back combined with linear drivers on secondary side VAC Current-controlled reference VCC MASTER string determines output voltage Module 1 as reference Module Several number of SLAVE strings with linear driver operating at optimal voltage range Very high DC/DC efficiency TDA4863 Single Stage PFC + Flyback converter allows for good power factor and efficiency at optimized system BOM Optocoupler TLE4305 REFGND BCR450 BCR450 BCR450 EVALLED-TDA W Optimized System Solution: Combination of single-stage PFC + Flyback AC/DC converter, constant current control and linear drivers allows GND PWM- Dimming 87% Efficiency vs Input Voltage high power factor, high efficiency (overall 87%) ACDC Eff. BCR450 Eff. Overall Eff. no EMI on secondary side Input Voltage [Vac]
19 Demoboards for Design-In Support ctd. Demoboard Ordering Code Description Picture ILD 4035 board ILD 4120 board SP V version SP V version SP ILD 4180 demoboard SP Drive 1W LEDs with the buck LED driver ILD V and 12V supply voltage version available 350mA preset LED current Analog voltage and PWM pin for dimming Can be connectec to a string of 1W LEDs Drive 3W LEDs with the buck LED driver ILD /24V supply voltage 700mA preset LED current Analog voltage and PWM pin for dimming To be connected to a string of 3W LEDs Drive ultra-high power LEDs with the buck LED driver ILD4180 Up to 45V supply voltage LED current adjustable up to 1.8A Demoboard can be operated in either constant current or constant output voltage mode Copyright Infineon Technologies All rights reserved. Page 19
20 Infineon LED Drivers and LED Lighting solutions Support tools and collaterals Ready-to-copy Reference Designs (BoM, Gerbers available on request) visit Online LED Driver Selection Tool for General Lighting Applications visit Dedicated Demo boards for each LED driver Ask for your demo board today! Infineon LED Drivers LED Driver Sample Kit (Contains a selection of LED driver product samples for instant designing) Ask for you personal sample kit today! Increasing number of Application Notes visit Up-to-date collaterals: Lighting brochures/ flyers visit /28/2011 Page 20 Copyright Infineon Technologies 2011.
21 LED driver selection tool for General Lighting applications 1. Register 2. Enter design parameters 3. Application schematic & Simulation 4. Overview of BOM Infineon.com/ledcircuitdesigner 11/28/2011 Page 21
22 Infineon LED Drivers LED Lighting solution examples 15W E27 LED Bulb (equivalent to 60W) 40W Public LED Lighting solution Features: Single Stage, incl. PFC Power factor > 0.98 Efficiency: 90% Wide dimmer support Benefits: 30% BoM cost recuction vs. competition Smallest form factor (also suitable for GU10) Ready to meet future regulatory requirements visit 120W Street Lighting solution Features: 2-stage power supply with feedback control Power factor > 0.95 Efficiency (AC to LED): 92% Supports PWM and DALI control Benefits: No EMI on secondary side Very cost competitive Modular concept allows 1-8 channels Appnote soon available on 11/28/2011 Page 22 Features: Power factor > 0.95 Efficiency (AC to LED): ~90% Supports PWM control for dimming Benefits: Cost competitive due to low part count & cost efficient ICs Easy to scale due to modular concept Appnote AN186 on LED Lighting Control Kits for PWM / DALI Features: Based on XC822 USB I/F for power supply and programming access Software included Benefits: Ready-to-use Free tool chain Code examples included for faster time to market visit Copyright Infineon Technologies 2011.
23 Infineon LED Drivers Success stories, be part of it! Leaders in linear LED drivers We will ship more than 100 million pcs linear LED Drivers in FY2011 Worldwide! Main application: Channel letters Major design wins with Offline LED Drivers Major LED bulb designs made in EMEA already have Infineon inside! Automotive LED Lighting Tier 1 through Tier 3 customers use Infineon LED drivers This could be your success story! Make the LED Applications the next success story 11/28/2011 Page 23 Copyright Infineon Technologies 2011.
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