AAT3681 AAT, AAT3681 Datasheet - Page 10

• Manufacturer Part Number: AAT3681
• Description: USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
• Manufacturer: AAT

System Operation Flow Chart
10
No
Recharge Test
V
Shut Down
RCH
No
> V
BAT
No (AAT3681-1)
Yes
Yes
Current Phase Test
Charge Completed
Voltage Phase Test
Preconditioning
Fault Conditions
Power Input
V
V
I
V
BAT
Monitoring
IN
MIN
Voltage
Enable
IN
OV, OT
Test
Yes
> V
Yes
No (AAT3681)
No
No
No
> V
> I
> V
UVLO
TERM
BAT
BAT
Lithium-Ion/Polymer Battery Charger
Yes
Yes
Yes
(Trickle Charge)
Preconditioning
Current Charge
Voltage Charge
Constant
Constant
USB Port or AC Adapter
Mode
Mode
Power On Reset
Charge
Control
3681.2007.01.1.2