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BQ27531EVM: how to override the register default values in BQ24192 automatically by the 27531？

Eric Kwok
Prodigy 115 points
Part Number: BQ27531EVM
Other Parts Discussed in Thread: BQSTUDIO, BQ24192

Hi, Ti engineers：

I'm using the bq27531 fuel gauge + bq24192 Charger  application, communication is done through bqstudio(V1.3.80) + EV2300(V3.1m).(communication tested well).

According to the User's Guide of bq27531,I set the [DEFAULT_OVRD] bit and [BYPASS] bit true in Charger Option; and modify the Reg xx Default values in Charger Info by bqstudio, store them in the Data Flash of bq27531.

After that, I remove and insert the battery, and check the register values ,they are still RESET values; apparently, the bq27531 did not override them to the modified default values that are stored in the Data Flash as expected.

How can I override the charger register values automatically by 27531 Data Flash?   

——Charger Option

 

——bqstudio