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BQ24090: TS pin status in battey discharge mode

Ken Zhang
Expert 3545 points
Part Number: BQ24090

hi,

From datasheet of bq24090, when battery is dischrging to supply system (or battery discharge status) if no adapter is plug-in, the internal 50uA curren source for TS will be disable. now customer question is whether TS pin is in HI-Z mode during in battery discharge status?

  • 0
    TI__Intellectual 1980 points

    Hello Ken,

    We test TS state in your application condition. Firstly, when connect it to 0-3V power supply, the TS voltage is equal to power supply voltage. Secondly, TS float, test the resistance value, shows that no resistance exits.

    Could confirm it is in HI-Z mode.

    Could you tell me why customer hope to know it in their application? Thanks

    Regards