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BQ40Z50-R2: pin-OC set problem

Part Number: BQ40Z50-R2

Hi team,

During the charging process, the RSOC has not reached 100%, and the FC TC has not been set. Why is the OC set in advance? As shown in the second picture, the condition of RC >= FCC is not yet met. Why is the OC set information already mentioned in the TRM?

Could you help to answer it?

Thanks a lot.

Sherry

  • Sherry, maybe it is because of the df config. It's only alerting, it's not set yet. Check if your true RM and true FCC are equal. Your FC may be set by voltage instead of chg termination. I can't confirm unless I have the full log and the gg file.