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TPS25221: TPS25221DRV, Output decap value

Sathya Priya
Intellectual 260 points
Part Number: TPS25221

Tool/software:

Hi team,

We are using the TPS25221DRV, in our design.

We have doubt in adding the output decap, as in datasheet it is mentioned as 120uF.

Whether we need to have 120UF for each HUB?  Attached the reference image

We are worrying about the placement feasibility.

Kindly let me know the inputs on this.

Regards,
Sathya Priya N.

  • 0
    TI__Expert 6711 points

    Hi Sathya,

    USB requirement that downstream facing ports are bypassed with at least 120 µF per hub. T495D157K010ATE100 is the capacitor used in the reference design. Please check if the size is acceptable.

    BR,

    Ke Wang