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  • LLC Resonant Converter with Sync Rectifier

LLC Resonant Converter with Sync Rectifier

RDLLC56F82748

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This reference design demonstrates the implementation of a LLC resonant converter using MC56F83783, MC56F81xxx or MC56F82748 digital signal controllers (DSC).

Product Details

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Block Diagram

LLC Resonant Converter

RDLLC56F82748 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

  • Flash updating
  • 12 V/240 W output with universal mains input
  • 120mVp-p output ripple; Overshoot < 5%@0 to 65% load step; Hold up time 20ms@50% load, 15ms@100% load
  • Over-current, over-/under-voltage, voltage brown-in, over-temperature, power limit protection functions
  • Modular software and hardware design for convenient internal reuse and customer evaluation
  • Components
    • Half-bridge LLC with synchronous rectifier
  • Interfaces
    • Isolated USB interface for FreeMASTER connection
    • Isolated SCI communication between primary side and secondary side; IIC interface is reserved for PMBus communication

Buy Options

TWR-56F8200-Image

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  • TWR-56F8200

  • Tower System, DSC Module, MC56F823XX.

  • Kit contains:

    • TWR-56F8200 MCU module
    • USB cable
    • Quick Start Guide
    • Multilink universal development interface
  • $401.35 USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 3
    • Shipping: Normally ships 1-2 business days
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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

    LLC Resonant Converter Main Board Schematic

    PDFRev 1Jun 29, 2023 09:57:00414.0 KBLLC-RES-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.