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BQ40Z50-R1: Trig SOV and SUV at the same time

guoqing shi
Intellectual 305 points
Part Number: BQ40Z50-R1

Hello  engineers:

           In the process of using the BQ40Z50-R1 scheme, a battery found that it could not be charged. After opening BQSTDIO, it was found that PF was triggered. You can refer to the gg file for details. According to the interpretation of the gg file, the battery triggered COV and CUV at the same time. Is this reasonable?nasasi-SOV-SUV.gg.csv      

        look forward to your reply！

  • 0
    TI__Guru** 102375 points

    Hello,

    Can you explain how it was determined they happened at the same time? Do you have a log showing this behavior? Generally these two should not happen at the same time, but the SUV could happen after an SOV event if the battery discharges down too low from self discharge or internal shorting.

    Sincerely,

    Wyatt Keller