ICL8001G 產(chǎn)品亮點(diǎn):
? Quasi-Resonant Control For Highly Efficient LED Driving Solutions
? Primary Side Flyback Control With Integrated PFC And Phase-Cut Dimming
? Integrated HV Startup Cell For Short Time To Light
? Best In Class System BOM For Dimmable LED Bulb
ICL8001G主要特性:
? High, stable efficiency over wide operating range
? Optimized for trailing- and leading-edge dimmer
? Precise PWM for primary PFC and dimming control
? Power cell for Vcc pre-charging with constant current
? Built-in digital soft-start
? Foldback correction and cycle-by-cycle peak current limitation
? VCC over/ under-voltage lockout
? Auto restart mode for short circuit protection
? Adjustable latch-off mode for output overvoltage protection

圖1。ICL8001G方框圖

圖2。ICL8001G初級(jí)控制應(yīng)用電路圖
EVAL-LED-ICL8001G-Bulb02演示板
EVAL-LED-ICL8001G-Bulb02 Quasi-Resonant Flyback Converter for Phase Cut Dimming with High Power Factor
The EVAL-LED-ICL8001G-Bulb02 demonstrates the single-stage flyback and PFC controller ICL8001G in an LED Bulb application. Its quasiresonant operation mode, primary side control, integrated PFC and phase-cut dimming control makes it the best in class system solution for dimmable LED bulbs.
EVAL-LED-ICL8001G-Bulb02演示板主要特性:
?High, stable efficiency over wide operating range through quasiresonant operation mode
?Primary side side flyback control with integrated PFC and phase-cut dimming
?Energy efficient phase cut dimming
?Power cell for VCC pre-charging with constant current
?Built-in digital soft-start
?Foldback correction and cycle-by-cycle peak current limitation
?VCC over- and under-voltage lockout
?Auto restart mode for short circuit protection
?Adjustable latch-off mode for output overvoltage protection
?Best in class system BOM for dimmable bulbs
圖3。EVAL-LED-ICL8001G-Bulb02演示板外形圖


圖4。EVAL-LED-ICL8001G-Bulb02演示板電路
EVAL-LED-ICL8001G-Bulb02演示板材料清單(BOM):


圖5。EVAL-LED-ICL8001G-Bulb02演示板變壓器電路圖
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