The highly efficient dimmable LED driver system utilizing ICL8001G sets a new Benchmark with respect to integration, performance, features and total system cost. ICL8001G employs quasi-resonant operation modes with integrated power factor control for off-line residential LED lighting applications in particular 40W / 60W / 100W incandescent bulb replacements.

Infineon ICL8001G - Bulb Driver

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.

PCB Layout


Schematic Diagram

Some Devices -

BCR40x U - Suitable for long strings of LED's with high voltage drop across the power line.

BCR450 - Drives 0.5W, 1W and 3W LED's with an external transistor.

Also Read -

• Efficient Lighting - Complete Solutions for Driving LEDs and Lamps.
• ICL8001G Design Guidelines