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).

框图

LLC Resonant Converter

RDLLC56F82748 Block Diagram
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支持的器件

处理器和微控制器

32位56F8xxxx系列

  • MC56F81xxx: 高达100MHz的数字信号控制器，带DSASS和运算放大器
  • MC56F83xxx: 性能级数字信号控制器, 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

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