BQ25895: BQ25895 CHG_STAT 00, 01, 11change, when remove the battery

Star Xu

Genius 9645 points

Part Number: BQ25895

I have a query need your help.

BQ25895 all the function is OK, but remove the battery during charge,CHG-stat register 00,01,11 jump， is it normal？

Waiting for your reply.

Thanks

Star

over 7 years ago

0 Jeff F over 7 years ago

TI__Guru**** 166086 points

HI Star,

When no battery is attached and charge is enabled, the charger sees the capacitor on BAT as a really small battery and goes through the normal stages of charging, termination, discharge then repeat. You can prevent this by disabling charge when the battery is removed.

0 Star Xu over 7 years ago in reply to Jeff F

TI__Genius 9645 points

Hi Jeff

Thanks for your reply.

Power management

Power management forum

BQ25895: BQ25895 CHG_STAT 00, 01, 11change, when remove the battery