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BQ25619: VBUS pin control

Part Number: BQ25619

Hi, 

In our design we are planning to use the boost of the bq25619 (From the PMID pin), to feed subcircuit.

Due to functional constraints, when the boost is working I need to disconnect the VBUS input. I mean, I need to avoid the voltage present at the VBUS input pin to enter into the charger (When Boost is working). 

Do I have any way to internally control the VBUS pin, to disable it? 

I can use an external device, like a FET or a diode with Enable function, to disconnect it by Hardware. But I want to know if I can disconnect it by any register configuration.

Thanks,

Leonardo