AAT3683 Datasheet, PDF (12/24 Pages) Advanced Analogic Technologies – 1A Linear Li-Ion Battery Charger

System Operation Flow Chart
AAT3683
1A Linear Li-Ion Battery Charger
Enable
Power On Reset
No
Yes
Power Input
Voltage
VIN > VUVLO
Enable
Shut Down
Yes
Yes
Fault
Conditions Monitoring
OV, OT,
VTS1 < TS < V TS2
No
Expired
Preconditioning
Test
VMIN > VBAT
Yes
Preconditioning
(Trickle Charge)
No
Recharge Test
V_RCH > V_BAT
No
Current Phase Test
Constant
Yes
V_IN > V_{BAT_EOC}
Yes
Current Charge
Mode
No
Voltage Phase Test
I_BAT > I_TERM
Yes
Constant
Voltage Charge
Mode
Charge Timer
Control
No
Charge Completed
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CC.hCa.rgMinogdeMode
Yes
No
Device Thermal
Loop Monitor
T_J > 115°C
12
3683.2007.06.1.0