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BQ25713: Unexpected high BATDRV level

Part Number: BQ25713

Hi,

 We have three specific board that BATDRV is high as shown below.  May I know what could keep BATDRV at high level like this for further debugging?

 

VBUS

VSYS

VBAT

BATDRV

VREGN

Board1

19.9V

9.2V

9.27V

9.2V

6V

Board2

19.9V

13.2

13V

13.2V

6V

Board3

20V

11V

10.6V

11V

6V

 Thanks!

Antony