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BQ25171-Q1: TS Pin

Xiaowei Zhang
Expert 4205 points
Part Number: BQ25171-Q1


Tool/software:

Hi team,

My customer Joyson are using BQ25171-Q1 for NiMH chargering, and after charger for 8 hr, the TS pin falls to 0V, does it meet spec? Can you please help provide detail explanations about this observation? Thank you

Best Regards,

Xiaowei Zhang

  • 0
    TI__Guru* 76486 points

    Hi Xiaowei

    This is normal operation.  When charge is complete the unit will enter a low power STANDBY mode.  In this mode the input current is reduced to about 190uA (5V).  The 38uA TS current source is turned off in this mode.