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TPS23752: How to generate PWM in TPS23752 between PWM and VFO mode

Anders Yang
Prodigy 570 points
Part Number: TPS23752

hello, there is no details about how TPS23752 generate PWM signal in the datasheet.

I'm interested in how the PWM generate in both PWM and VFO mode. Is there a document that cover my question?

  • 0
    TI__Intellectual 1005 points
    Hi Anders,

    Section 7.4.2.2 explains the PWM operation in both modes. The short answer is that in regular mode the frequency is set and the peak current is controlled, while In VFO mode the peak current is fixed and the frequency varies. Of course in VFO mode, you would be running in DCM.

    Please let us know if you have any specific questions.

    Thanks,
    Artem
  • 0 in reply to Artem Rogachev
    TI__Prodigy 570 points

    Hi Artem,

    Thank you for quick response.

    I'm really interested about how components 1-5 work together. Such as what is ZCD comp means, how to generate CLR etc.

    If there is a series of waveforms(part 1-5 input and output) show together, that will make me clear about how PWM was generated.

    Of course it's just my interest. Share me the document if you or anyone who have. thank you.

     

  • 0 in reply to Anders Yang
    TI__Intellectual 1005 points
    Yang,
    I received your email with the diagrams. Let's continue the discussion via email. I'll put this thread as resolved.
    -Artem