Totem-Pole Bridgeless PFC Converter

RDPFC56F82748

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This reference design demonstrates the implementation of a Totem-Pole Bridgeless Power Factor Correction (PFC) using MC56F83783, MC56F81xxx or MC56F82748 Digital Signal Controllers (DSC).

Product Details

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Block Diagram

Totem-Pole Bridgeless

RDPFC56F82748 Block Diagram
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Supported Devices

Processors and Microcontrollers

32-Bit 56800EX/EF Core

  • MC56F81xxx: Up to 100MHz Digital Signal Controllers with DSASS and Operational Amplifier
  • MC56F83xxx: Performance Level Digital Signal Controllers, USB FS OTG, CAN-FD

Features

  • 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

Buy Options

  • TWR-56F8200

  • Tower System, DSC Module, MC56F823XX.

  • Kit contains

    • TWR-56F8200 MCU module
    • USB cable
    • Quick start guide
    • Multilink universal development interface

Documentation

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2 documents

Design Resources

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Design Files

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1 design file

  • Printed Circuit Boards and Schematics

    Totem-Pole Bridgeless PFC Converter Main Board Schematic

    PDFRev 1Jun 29, 2023 09:57:00405.7 KBTOTEM-P-PFC-CONV-MAIN-BOARD-SCH
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Software

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5 software files

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