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BQ76940: what is the channel to channel error of bq76940

Cheng Wang
Prodigy 685 points
Part Number: BQ76940
Other Parts Discussed in Thread: BQ76920

Hi 

The bq76940 is combination of 3 bq76920 for cell voltage measurement.  What is the typical channel to channel error for it, especially for different 5 cells module?

Thanks .

  • 0
    TI__Guru 54715 points
    Hi Cheng,
    The bq76940 has more cells in 3 groups. It will have more variation than a bq76920. The data sheet and specification line is common for the devices, expect the bq76920 to typically be a narrower range and the bq76940 to use more of the range.