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BQ27742-G1: which file we need to configure in gauge

Bhavna Harani
Prodigy 80 points
Part Number: BQ27742-G1
Other Parts Discussed in Thread: BQSTUDIO

Hello Sir,

I have few queries regarding fuel gauge configuration.please try to address it.

1) we will get 3  files when we generating golden image.(bqfs ,dffs,srec)

which file we should configure in fresh Fuel gauge through host(controller)?

2)We are using STM32 controller.how many memory required to store file?  how to write configuration file in flash.?

Thanks and  Regards,

Bhavna

  • 0
    TI__Guru* 76230 points
    hi Bhavna
    1.' Use the dffs file. It is smaller in size and quicker to program given it contains only the data flash. The srec and bqfs contain the instruction flash and data flash. you do not need to program the IF on the gauge during programming since the device comes with the IF already installed.
    2. Pls extract a dffs file using bqstudio and check the size of the extracted file and plan around that accordingly.
    thanks
    Onyx