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TPA3221: PVDD capacitor ESR requirement

PYTsai
Genius 11910 points
Part Number: TPA3221


Hi 

Datasheet mentioned PVDD capacitors should be low ESR type.

any suggestion how low the ESR is required ? 

  • 0
    TI__Genius 15200 points

    Hello,

    Please refer to our EVM in regards to optimal component selection for the PVDD capacitor, We do not recommend using components that exceed the ESR of the components we use on our EVM.

    However we don't have a formal spec, but we recommend low ESR to handle the high speed switching.

    Best regards,

    Luis