AAT3685-1 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
MFG CO.
'AAT3685-1' PDF : 21 Pages View PDF
BatteryManagerTM
System Operation Flow Chart
PRODUCT DATASHEET
AAT3685
Lithium-Ion/Polymer Battery Charger
Switch
On
Sleep
Mode
No
UVLO
Yes
VP > VUVLO
Input Power
Power On
Reset
SETL
Current Loop
SETH
Current Loop
0 Input Detect
PWRSEL= ?
1
Fault
Yes
Conditions Monitor
OV, OT
No
Shut Down
Mode
Yes
Battery
No
Temperature Monitor
Battery
VTS1 < TS < VTS2
Temp. Fault
Input Voltage
Regulation
Enable
No
Recharge Test
VRCH > VBAT
Yes
Yes Low Current
Preconditioning Test
Conditioning
VMIN > VBAT
Charge
No
Current Phase Test Yes
VEOC > VBAT
Current
Charging
Mode
No
Yes
Voltage Phase Test
IBAT > ITERM
No
Charge
Completed
Voltage
Charging
Mode
No
Port
Voltage Test
V < V ADP/USB
ADP/USB_CHR
Yes
Charge
Current
Reduction
12
www.analogictech.com
3685.2007.12.1.4
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