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BQ76930: How can voltage and current sampling ensure that the data read in 250ms is accurate?

Star Xu
Genius 9645 points
Part Number: BQ76930

Hi

I have a query need your help.

The 16-bit CC also completes an update every 250ms in ALWAYS ON mode. How many times are the currents sampled?

What is the sampling rate? What algorithm was used? How to ensure the correctness of the results?

Waiting for your reply.

Thanks

Star

  • 0
    TI__Genius 13845 points

    Hi Star,

    From Section 3 of the Embedded Scheduler in Cell Battery Monitor of the bq769x0 application note (link):

    The sampling time is ~3.9us or 256kHz. I recommend taking a look at the whole section as it explains how the CC works in detail.

    Regards,

    Max Verboncoeur