AAT3693 Advanced Analogic Technologies, Inc., AAT3693 Datasheet - Page 12

• Manufacturer Part Number: AAT3693
• Description: 1.6a Lithium-ion/polymer Battery Charger In 2.2x2.2 Tdfn
• Manufacturer: Advanced Analogic Technologies, Inc.

System Operation Flowchart
12
BatteryManager
Suspended
Shut Down
No
Charge
Recharge Test
V
BAT
Yes
< V
RCH
Fault Conditions
V
TS1
TM
Monitoring
OV , OT,
< TS < V
Yes
Yes
No
TS2
No
Current Phase Test
Voltage Phase Test
Charge Completed
I
CHARGE
Preconditioning
No
Power Input
V
V
V
Power On
1.6A Lithium-Ion/Polymer Battery Charger in 2.2x2.2 TDFN
IN
MIN
Voltage
CO
Enable
Reset
Test
> V
> I
> V
> V
No
No
No
Yes
Yes
CH
UVLO
BAT
BAT
_
TERM
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Reset
Yes
Yes
Yes
Enable
(Trickle Charge)
Current Charge
Preconditioning
Voltage Charge
Constant
Constant
Mode
Mode
Charge Timer
Counter
PRODUCT DATASHEET
Expired
Device Thermal
Thermal Loop
Loop Monitor
AAT3693
T
Reduction in ADP
Reduction in
C.C. Mode
Charging Mode
J
Thermal Loop
Current
> 115°C
And EN=High
Power Input
Current
V
Shut Down
Voltage
IN
Yes
> V
Yes
No
No
UVLO
3693.2009.04.1.1