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TPS5432: Schematic review and compensation circuit check.

Part Number: TPS5432
Other Parts Discussed in Thread: TINA-TI

Tool/software:

Hi

I’ve attached design of the 5V to 1.8V buck converter circuit. Please review the design and share your feedback or suggestions.


I need to clarify mostly on my compensation circuit , Kindly share the comments.

 Best regards
Anjana

  • HI Anjana,

    Thanks for using E2E.

    We have a schematic proposal for the Vout = 1.8V in the data sheet which you can use in your case.

    If you would like to have a different compensation setting you can check the calculated behavior with PSpice or TINA-TI simulations or using our EVM.

    The feedback divider R10 and R16 are configuring about 1.46V on the output. Please use the formula in the data sheet.

    Best regards,
    Sepp