AAT2552_08 Datasheet, PDF (17/31 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

SystemPower^TM
PRODUCT DATASHEET
AAT2552178
Total Power Solution for Portable Applications
Battery Charging System Operation Flow Chart
Enable
Power On Reset
No
Yes
Power Input
Voltage
V_ADP > V_UVLO
Yes
Shut Down
No
Recharge Test
V_RCH > V_BAT
Fault Conditions
Yes
Monitoring
OV, OT
No
Preconditioning
Test
V_MIN > V_BAT
No
Yes
Preconditioning
(Trickle Charge)
Constant
Yes
Current Phase Test
Yes
Current Charge
V_{BAT_EOC} > V_BAT
Mode
No
Voltage Phase Test
Yes
I_BAT > I_TERM
Constant
Voltage Charge
Mode
No
Charge Completed
Charge
Control
2552.2008.02.1.2
www.analogictech.com
17