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BQ76930: How to use CC resister value?

Kotaro Yamashita
Intellectual 2560 points
Part Number: BQ76930

Hi team,

1. Is this value is accumulated value? or Does it cleared each 250ms reading period? 

2. How to estimate accumulated current value? [Resister value] divide [Shunt resistor value]?

Regards,

Kotaro Yamashita 

  • 0
    TI__Guru* 81034 points
    Hi,

    These questions are answered in the device datasheet. The value is an accumulated value of charge across the resistor. The result is a voltage since the device does not know the value of the current sense resistor. The current can be calculated from the voltage reading value. See the section on 16-bit CC in the datasheet.

    Matt