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TPS54531: Request a design review

Louis Han15
Genius 4680 points
Part Number: TPS54531

Hello

I Request a design review for TPS54531.

Condition

Vin : 20V

Vout : 5V

Iout : 5A

Best Regards.

  • 0
    TI__Genius 10070 points

    Hi,

    The output capacitance is litter small. What is the rated voltage of output capacitors? You'd better check the real output capacitance, because there is derating with DC bias for ceramic capacitor.

    In addition, you can use Webench to do the simulation.

    https://webench.ti.com/power-designer/switching-regulator/customize/134?AppType=None&Flavor=NA&O1I=5&O1V=5&Topology=BUCK&VinMax=28.00&VinMin=8.00&VoltageOption=NA&base_pn=TPS54531&flavor=NA&lang_chosen=en_US&op_TA=30&optfactor=3&origin=pf_panel&refpage=https:%2F%2Fwww.ti.com%2Fproduct%2FTPS54531

    Shawn