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Original question:

BQ25798: BQ25798 register settings change automatically

BQ25798: BQ25798 VSYS start fluctuating when Battery is removed during charging

Ahmed Ali
Prodigy 80 points
Part Number: BQ25798

Tool/software:

Dear TI Team,

When the system is working, usually, and I remove the battery during charging, the VSYS starts fluctuating, and sometimes it gets to 3.235V. 

Following is my charger schematics:

I am looking forward to hearing back from you. 

Regards,

Ahmed Ali