AAT3681-1 ANALOGICTECH [Advanced Analogic Technologies], AAT3681-1 Datasheet - Page 10

• Manufacturer Part Number: AAT3681-1
• Description: USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

System Operation Flow Chart
10
10
BatteryManager
BatteryManager
No
Recharge Test
V
Shut Down
RCH
TM
TM
No
> V
BAT
No (AAT3681-1)
USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
Yes
Yes
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Current Phase Test
Charge Completed
Voltage Phase Test
V
Preconditioning
Fault Conditions
BAT_EOC
Power Input
V
V
I
Monitoring
BAT
IN
MIN
Voltage
Enable
OV, OT
Test
Yes
> V
Yes
No (AAT3681)
No
No
No
> I
> V
TERM
UVLO
> V
BAT
BAT
Yes
Yes
Yes
(Trickle Charge)
Preconditioning
Current Charge
Voltage Charge
Constant
Constant
Mode
Mode
Power On Reset
PRODUCT DATASHEET
PRODUCT DATASHEET
AAT3681
AAT3681
Charge
Control
3681.2007.12.1.5
3681.2007.12.1.5