Totem-Pole Bridgeless PFC Converter

Roll over image to zoom in

Block Diagram

Totem-Pole Bridgeless

RDPFC56F82748 Block Diagram

Supported Devices

Processors and Microcontrollers

32-Bit 56800EX/EF Core


  • PF > 0.99@100% load; THDi < 5%@50% load
  • Over-current, over-/under-voltage, voltage brown-in, over-temperature, power limit protection functions
  • Power
    • 12V/240W output with universal mains input
  • Interface
    • Isolated USB interface for FreeMASTER connection
    • Isolated SCI communication between primary side and secondary side
  • Other
    • Flash updating from secondary side


Quick reference to our documentation types.

2 documents

Design Files

Quick reference to our design files types.

1 design file


Quick reference to our software types.

5 software files

Note: For better experience, software downloads are recommended on desktop.