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CCS: [BQ40370RSMR] Doesn't write Firmware and Calibration

Other Parts Discussed in Thread: BQSTUDIO, EV2400

Tool/software: Code Composer Studio

This is Jinsik Cho from Nexcontechnology which is note PC battery protection module OEM company having customer, LGC.[end user : Dell , Acer etc..]

We have some problem as following.

1. IC name : BQ40370RSMR

2. Phenomenon

  - While on FW write by our FW write equipment, there is error some module( about 4 of 10 module ).

 - After firmware write error occur, abnormal SB data was read by BQ studio like as below.

 - Anyway, after that, doesn't work firmware write , Dataflash read , sending command, etc.

3. We don't know why this phenomenon occured. So please give us advice about this issue.

  - Possible cause to this phenomenon.

Please give us helpful advice.

If you need more information for it, please let me know.

Thank you.