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Original question:

BQ25713: BQ25713 power saving during Hi-Z

BQ25713: HI-Z & Low Power Mode

Atticus Huang
Prodigy 10 points
Part Number: BQ25713

Under the condition of AC presence, Hi-Z mode is activated by setting EN_HIZ =1 .

Meanwhile, if we continue setting EN_LWPWR =1, will charger also enter "Low Power Mode" and thus reduce more power consumption?

(Because the description about EN_LWPWR mention this bit is valid when "battery only", we'd like to know whether above AC presence condition equals to "battery only" ?)

  • 0
    TI__Mastermind 25800 points

    Hey Atticus,

    In battery only mode, when Low Power Mode is enabled, the REGN LDO is disabled along with the high Iq internal devices.

    When an adapter is present but the charger is in HIZ mode, the REGN LDO is still active.

    They are no equivalent modes. The EN_LWPWR bit will have no effect while the adapter is present. 

    Regards,

    Joel H