Решения Infineon для питания LED к.т.н. Евгений Обжерин 28 ноября 2012 года
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1 Решения Infineon для питания LED к.т.н. Евгений Обжерин 28 ноября 2012 года
2 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 2
3 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 11/26/2012 Page 3
4 Single-stage isolated Flyback LED driver Dimmable LEDSET Typ V DS (V) R RDSON (Ohm) Nominal Power (±15%) 230V VACIN Package NEW ICL8001G ICL8002G PFC / QR-FB Ext. FET - Ext. FET PG-DSO-8 ICLS8082G PFC / QR-FB 800V CoolMOS 2,26 26W PG-DSO-12 Non-Dimmable LEDSET P/N 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) 11/26/2012
5 ICL8002G Dimmable quasi-resonant flyback / buck controller with PFC The successor of ICL8001G with improved phase-cut dimming performance and tighter output current accuracy
6 ICL8002G focus applications Retrofit Residential Office, Retail Industrial Outdoor Architectural Others High Voltage AC lamps Luminaires, desk lamps Street, tunnel, parking LED ballast LV lamps: MR16 Downlights, spotlights Wall washer Home appliances vending machines FL tubes High and low bay lights Stripe lights, accent lights Channel letters signs, signals Copyright Infineon Technologies All rights reserved. Page 6
7 Major improvements compared to ICL8001G 1 New valley switching scheme Minimize light shimmering 2 Adapted control Continuous dimming curve 3 Internal hold-up resistor change Higher output current precision Copyright Infineon Technologies All rights reserved. Page 7
8 The ICL8002G is a single stage PFC & flyback/ buck controller with dimming functionality Flyback schematic High compatibility to leading and trailing edge phase cut dimmers 100% Continuous dimming 1%* curve Stabilized light output Digital foldback current correction for good line regulation capability High efficiency up to 90% HV startup cell integrated for reduced BOM Digital soft start Short circuit protection Overvoltage protection Cycle-by-cycle peak current limitation Copyright Infineon Technologies All rights reserved. *depending on dimmer model Page 8
9 Compabible phase cut dimmers tested at 120V AC / 10W input Test setup High compatibility to leading and trailing edge phase cut dimmers 100% Continuous dimming 1%* curve Stabilized light output tested with EVALLED-ICL8002G-B2 buck topology Copyright Infineon Technologies All rights reserved. Page 9
10 Compabible phase cut dimmers tested at 230V AC / 13W input High compatibility to leading and trailing edge phase cut dimmers 100% Continuous dimming 1%* curve Stabilized light output tested with EVALLED-ICL8002G-B1 flyback topology Copyright Infineon Technologies All rights reserved. Page 10
11 Output Current (ma) Tolerance Good line regulation ensures constant operation over input voltage variations Output current variation vs. input voltage 0,3 3,0% 0,25 2,0% 0,2 0,15 0,1 1,0% 0,0% -1,0% Digital foldback current correction for good line regulation capability 0,05-2,0% Line Voltage (V) -3,0% Output current Current Tolerance Copyright Infineon Technologies All rights reserved. Page 11
12 LED bulb demoboards optimized for smallest form factors LED bulb demoboard overview Visit our website for more details: EVALLED-ICL8002G-B1 Topology: Isolated flyback Input: V AC, 13W Output: 36-42V DC, 300mA, 11W Efficiency: 85% Power factor >0.9, THD <20% Size: 58.2 x 25.6 x 23.2 mm (L x B x H) Order code: SP EVALLED-ICL8002G-B2 Topology: Non-isolated buck Input: V AC, 12W Output: 30-38V DC, 300mA, 10W Efficiency: 86% Power factor >0.95, THD <20% Size: 40 x 20 x 25 mm (L x B x H) Order code: SP Copyright Infineon Technologies All rights reserved. Page 12
13 ICL8002G demoboard for PAR38 LED lamps PAR38 demoboard overview EVALLED-ICL8002G-B3 Topology: Isolated flyback Input: 120 V AC, 24W Output: 41V DC, 525mA, 21.5W Efficiency: 90% Power factor >0.99, THD <10% Order code: SP Available in June Visit our website for more details: Copyright Infineon Technologies All rights reserved. Page 13
14 Infineon Light Desk: The ideal tool to facilitate design customization 1. Selection of the application/topology 2. Specification of design parameter 3. Selection of suitable LED driver 4. Review schematics and redesign 5. Simulation: AC input transient, start-up 6. Download design summary Design specification Schematics Transformer design details Bill of materials Simulation results Visit our website for more details: Copyright Infineon Technologies All rights reserved. Page 14
15 Infineon is one of the few suppliers covering the entire range of DC/DC LED drivers Max I out (A) SELV Isolation ILD Switch ILD Switch ILD4120 / ILD4071 ILD6150 ILD6070 Available in Q BCR450 + Switch ILD2035 ILD4035 BCR320/321U BCR420/421U BCR205W + Switch BCR402W BCR401W BCR405U BCR402U BCR401U Multi-topology Buck Linear max. V out (V) Copyright Infineon Technologies All rights reserved. Page 15
16 The full range of support Selection guides Brochures Application notes Demoboards Ready-to-use designs Online design tool Copyright Infineon Technologies All rights reserved. Page 16
17 For internal use only
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