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BQ27742-G1: Problem !! fuel gauge not detect in bqstudio..

Part Number: BQ27742-G1
Other Parts Discussed in Thread: BQSTUDIO, EV2400

Hello sir,

Got a new problem ...i did all require step for battery through fuel gauge in bqstudio..and generate golden files as well..

and for production of fuel gauge .... i made code to write data of my df.fs file into fuel gauge through microcontroller(STM32L053).. but before that i set default value in data memory..so i can check after programming that data has changed or not...

after set default value ...i program my flash memory data into fuel gauge through code...

and after that i open bqstdio ... but fuel gauge does not detect in fuel gauge... i wake-up fuel gauge but it does not detect...even i connect my charger but no change...why its happen after program ??

i think fuel gauge ic damaged...if yes then why ?