BQ40Z60: ACFET remains on after AC Adapter is removed

keith nethercott

Prodigy 80 points

Part Number: BQ40Z60

When removing the AC adapter supply, the ACFET is still reading '1'. Is there a setting I could try to fix this?

over 8 years ago

0 ThomasCosby over 8 years ago

TI__Guru 73830 points

Keith
The ACFET flag should turn off after voltage has been removed from the ACP pin. This may take some time due to the bulk capacitors on the AC Adapter input.
Tom

Power management

Power management forum

BQ40Z60: ACFET remains on after AC Adapter is removed