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BQ2970: Configuring/programming BQ2970 to monitor single 8.4V Lithium Ion battery

Sumeet Patil
Prodigy 60 points
Part Number: BQ2970

Hello TI,

I plan to use BQ2970x to monitor 8.4 Lithium ion battery, but I am not sure whether it is possible to use that IC for my application.  The DS mentions that it can accept up-to 12VDC as input, and if so, how can I change various thresholds for battery monitoring. E.g. I don't want battery voltage to drop below 5.4VDC. Please revert back at earliest.

Regards,

Sumeet Patil

  • 0
    TI__Guru* 76230 points
    Hello Sumeet,

    The device is a singel cell protector and it appears you plan on using it for a 2s applicataion. You may use a voltage divider for the input into the chip to reduce the voltage to 4.2 and then choose an appropriate part number having the protection settings you desire. You cannot change the protection settings.
    thanks
    Onyx