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BQ27421EVM-G1A: what's difference between BQ27421EVM-G1A & BQ27421EVM-G1B

Mason Liu
Expert 4035 points
Part Number: BQ27421EVM-G1A
Other Parts Discussed in Thread: GPCCHEM

Hi,

I found there are two types of EVM, G1A and G1B, their CHEM ID are different, 0x128 & 0x312, is there any other differences?

BTW, if i want to do some test, do i must use battery which CHEM ID is 0x128? 

Thanks.

Best regards

Mason Liu

  • 0
    TI__Guru* 76230 points

    Hi Mason

    The DS addresses the difference. Have you looked at the DS?

    To use the gauge, you need to first determine if the cell you are trying to use is a close match to the hardcoded id. You can do that following the instructions in our online tool gpcchem.

    thanks

    Onyx