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BQ25606: BQ25606 STAT pin always remains low after first USB Power connect

Part Number:BQ25606

Hi,

We are using BQ25606 for a single cell 3.7V battery to manage power. I have got around 6-8 boards which are working fine

In one of the board, when I power up the board, the STAT pin remains high (due to 10k pull up) and once I connect USB power it goes low indicating charging started (till this the circuit is performing as desired). Now, when I disconnect USB power, the STAT pin still remains low. Even after reboot, this remains low. This goes high again only after I remove and connect the battery again.

I have used same battery on other board and the issue is not observed on those boards. I have tried changing the pull up resistor but still the same behavior.

Please suggest what things I can try.


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