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TMS320F280025: Do we have any solutions about LLC charge control?

Angela Zou
Intellectual 1095 points

Part Number: TMS320F280025

My question is how to use C2000 to realize LLC charge control?

How to realize Bang Bang charge control logic circuit? Is it necessary to use CPLD  or other IC? How to control the open and clos of the secondary side?

Another question is how to realize soft-start and burst? Thank you.

  • +1
    TI__Intellectual 855 points

    Hi Angela,

    Do you have any references for the bang bang charge control you're trying to achieve? I think the Customizable Logic Block (CLB) peripheral may be useful for this implementation.

    We do have an LLC reference design in the C2000 Digital Power SDK, TIDM-1001 and it has a closed-loop soft start implementation using some hybrid-duty control.

    Best,

    Clayton