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BQ24610: STAT1 and STAT2 behavior

Takahiro Saito
Expert 5455 points
Part Number: BQ24610

Hi team,

When the battery charging has been finished, the STAT1 and STAT2 goes High.

And then, 1.6sec later, STAT1 goes Low and STAT2 goes High during 200msec.

What is the reason of this behavior?

Regards,

Saito 

  • 0
    TI__Mastermind 24075 points

    HI Takahiro,

        By above behavior, it looks like you are completing charge, and then the recharge threshold is hit, triggering a new charge cycle. Observe charge current, and voltage on SRN (it is best to see voltage on VFB with a 2V offset, as recharge threshold spec is based off VFB. Delta would be 50mV)