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Original question:

ADC: Data Acquisition System

ADS8684: HOW to use the ADS8684 To monitor battery cell

Alex Chen9
Expert 1075 points

Part Number: ADS8684
Other Parts Discussed in Thread: BQ76925

HI Sir

I want to monitor the battery cell by 4 series, could i use the ADS8684 to do this?

or did you have any solution to do it?

thanks

  • 0
    TI__Guru**** 183061 points
    Hi Alex,

    As noted in the datasheet, the ADS8684 supports bipolar voltage ranges of +/-2.56, +/- 5.12 and +/-10.24 and unipolar voltage ranges of 5.12 and 10.24V. Depending on your battery cell voltage, you can certainly use the ADS8684 to monitor their voltage. However, the ADS8684 is just an ADC - what is the ultimate goal of your application? If you want to monitor the charge or control the cell loading, there are other parts in our portfolio that might be better suited to your application.
  • 0 in reply to Tom Hendrick
    Expert 1075 points

    HI Sir

    IF I have a battery Cell which have 6 series,Can I use the ADS8684 to monitor every cell ,don't care the comom mode voltage?

    ex:ch1,to monitor the first cell ,ch2 to monitor the second cell ,ch3 to monitor the third cell ,the cell series together

    do you have any schmatic to share?

  • 0 in reply to Alex Chen9
    TI__Guru**** 183061 points
    Hi Alex,

    Have you looked at parts like the BQ76925? Take a look at the website:

    www.ti.com/.../overview.html