PRODUCT DATASHEET
AAT2601178
Total Power Solution for Portable Applications
Enable
Yes
Power On Reset
No
Power Input
Voltage
VCHGIN > VUVLO
Enable
Expired
Yes
Charge Timer
Control
Fault
Conditions Monitoring
OV, OT,
Shut Down
Yes
VTS1 < VTS< VTS2
No
Thermal Loop
Thermal Loop
Current
Current
Reduction in
Charging Mode
Reduction in ADP
Preconditioning
Test
VBAT <VMIN
C.C. Mode
Preconditioning
(Trickle Charge)
Yes
Yes
No
No
No
Device Thermal
Loop Monitor
TJ > 115°C
Constant
Current Charge
Mode
Recharge Test
VBAT < VRCH
Current Phase Test
VBAT < VBAT_REG
Yes
Yes
Yes
No
Constant
Voltage Charge
Mode
Voltage Phase Test
ICH > ICH_TERM
No
Charge Completed
Figure 4: System Operation Flow Chart for the Battery Charger.
w w w . a n a l o g i c t e c h . c o m
2601.2008.01.1.0
23
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
