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BQ79654-Q1: BQ79654-Q1

sudhir mishra
Intellectual 355 points
Part Number: BQ79654-Q1

If i'm using bq79654 in stack and want to bat pin separate power for it then what is the AVSS FOR the 2nd stack device and how much supply to bat pin of 2nd stack device .and where to connect NC pins OF VC AND CB. 

  • 0
    TI__Expert 5130 points

    Good morning Sudhir,


    1) AVSS is analog ground and you will connect DVSS, CVSS, and REFHM to it externally on each respective stack. 

    2) We recommend supplying at least 11 V to the bat pin for full functionality and no more than 80 V.

    3) Tie NC pins of VC and CB to the BAT pin.



    Let me know if this resolves your issue,

    Best,

        Quentin