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TPS25982: without hot plug-in and out, Does TVS and Zener still require to protect TPS25982?

Part Number: TPS25982

Dear E2E,

without hot plug-in and out, Does TVS and Zener still require to protect TPS25982?

Due to PCB space concern, customer is consideration to remove both.

BR,

Jason

  • Hi Jason,

    The transient protection (TVS, zener) need varies from system to system depending on the impedance at the input/output. Hot-plug event, breaking the path (fast turn-off) during short circuit event  are some of the events which decide the need of protection elements. If not hot-plugged, Please test the transient voltages under overload, short circuit events and then decide.

    Best Regards,

    Rakesh