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TPS25940-Q1: Reverse protection comparator threshold

Arie Li
Expert 3390 points
Part Number: TPS25940-Q1

Hi experts,

How to understand below two specs? For reverse protection threshold, my understanding is when Vout-Vin exceeds the detection threshold, it will trigger reverse protection, so I think the threshold should be 66mV. But here is another spec, 100mV. What's the meaning of falling and rising threshold? Thank you.

  • 0
    TI__Guru 50475 points

    Hi Arie,

    This is the hysteresis. Vrevth means that when VIN-VOUT < Vrevth then device starts blocking reverse current and enter into reverse current blocking mode. 

    Now to exit from reverse current blocking and again start delivering forward power VIN-VOUT should be greater than Vfwdth.

    Regards

    Kunal Goel