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BQ34110: Sense resistor value verify

John Liu59
Intellectual 2735 points
Part Number: BQ34110

Dear all,

I have application for NiMH charger, and want to use BQ34110 as gauge, in the datasheet, the sense resistor is 10mohm, I wonder if it is possible to change another value, such as 6mohm, and what should be changed if the resistor value changes?

Thanks.

  • 0
    TI__Genius 14985 points
    That gauge was optimized for 10mohm Rsense. I would not recommend that you use anything lower than 5mohms.
    When you calibrate the current using the Calibration plugin it will adjust CC Gain and CC Delta.