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BQ24296M: BMS Parameters

Arjun Udayakumar
Prodigy 30 points
Part Number: BQ24296M
Other Parts Discussed in Thread: BQ25622

Tool/software:

Hi,

Can we get battery voltage level, current discharge, charge capacity left, cycle count of the battery connected to the BMS BQ24296M.?

i was not able to find these from register map.

Regards

  • +1
    TI__Mastermind 27660 points

    Hi Arjun, 

    Thank you for reaching out via E2E. Please see my comments below. 

    The BQ24296M device is not able to output any of the information you ask about. Although, let me point out we do have newer single cell buck chargers, such as the BQ25622, which have an integrated ADC for some of the functions you inquire about. The ADC feature on the BQ25622 allows you to monitor battery voltage, battery charge/discharge current, and a few additional signals.

    Information such as charge capacity, cycle count, battery state of health will require a battery fuel gauge IC. I have linked the battery fuel gauge product page below for your reference. 

    Battery fuel gauges | TI.com 

    Best Regards,

    Garrett