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BQ25703A: Whether the ADC of BQ25703A is effective when discharging

user5006961
Intellectual 805 points
Part Number: BQ25703A

HI 

TI employees:

I want to know that when the battery powered SYS through BAT of BQ25703A, whether the registers 24h and 26h can read the current and voltage at discharge

  • 0
    TI__Genius 16175 points

    Hi,

    As I know ADC can operate in battery mode condition. But you should disable Low Power mode function.

    Low Power Mode Enable: REG01h[7]: EN_LWPWR: Enable Low Power Mode. Device in low power mode with battery only for lowest quiescent current. PROCHOT, discharge current monitor buffer, power monitor buffer and independent comparator are disabled. ADC is not available in Low Power Mode.Independent comparator can be enabled by setting either REG0X31()[6] or [5] to 1. <default at POR>.

    Thanks