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TPS2596: Reverse power

Part Number: TPS2596

Tool/software:

Still no answer to this e2e.ti.com/.../5140821

  • Hi Massimo,

    Thank you for following up.

    I did check this that time but missed replying back.

    The body diode are not designed to handle continuous current but can handle some current in mA which will charge the input caps to more than UVLO threshold can turn on the main FET of device. Once the main FET is on, the current will flow through main FET and will bypass the body diode. 

    The only thing which you need to take care of in this is that input caps should be sized such that high current do not flow through the body diode of device.

    The picture mentioned in the previous thread, i.e. using external diode will also work in this case. We will bypass the body diode and when Vin voltage rises, the main FET will turn on and all the current will go through eFuse.

    Please let me know if this answers your question. You can reply back here for any follow up query.

    Best Regards,
    Arush