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BQ25896: Recharge hysteresis value when VBUS voltage increase???

Part Number: BQ25896

Hi team,

My customer has one question about VBUS voltage hysteresis value?

Testing condition:

The VINDPM=4.5V and customer is trying to reduce VBUS voltage lower than 4.5V.

Based on our observation, when VBUS voltage is lower than 4.5V, the charger will stop to charging.

But when VBUS is increasing then our charger will start to charge battery.

So customer would like to know is there any voltage hysteresis for this condition?

Please advise.

Thanks