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TMS320F28379S: Hard Switching Full-Bridge Converter using C2000?

Gregory Duperon
Expert 6980 points
Part Number: TMS320F28379S
Other Parts Discussed in Thread: UCD3138

Are there any examples demonstrating a HSFB DC/DC converter using the C2000 processors?

The UCD3138 is used to demonstrate a HSFB converter here: http://www.ti.com/tool/ucd3138hsfbevm-029

Is there anything similar for C2000?

Thanks.

Greg

  • 0
    TI__Guru* 77460 points

    Greg,

    We have a High Voltage Phase Shifted Full Bridge here: http://www.ti.com/tool/TIDM-PSFB-DCDC but this is a soft switching  (Zero Voltage Switching) type design. 

    Most/all of our demos are soft switching design because of the advantages of low switching losses, esp in high voltage systems where we focus most of our designs.

    Is there a reason for the end application a hard switching topology would be preferred?

    Best,

    Matthew

  • 0 in reply to MatthewPate
    Intellectual 405 points
    Currently working on a low dc input full bridge.
    Input 28 - output 12 @ 50A.
    I have provisions to add a shim inductor and make it a PSFB but I'd like to compare the two different implementations.
  • 0 in reply to PowerGuy
    TI__Genius 15715 points
    Hi PowerGuy,

    As Matt mentioned, the PSFB is based on soft switching which has better performance on switching losses and EMI etc compared with HSFB. The control of PSFB will be more complex than the traditional HSFB.
    Usually the PSFB is used in step down high DC bus voltages and/or provide isolation in medium to high power applications like server power supplies, telecom rectifiers, battery charging systems, and renewable energy systems. Thanks.

    Regards,
    Chen