AAT3683_12 Datasheet, PDF (12/22 Pages) Skyworks Solutions Inc. – 1A Linear Li-Ion Battery Charger

System Operation Flow Chart
DATA SHEET
AAT3683
1A Linear Li-Ion Battery Charger
Enable
Power On Reset
No
Yes
Shut Down
No
Recharge Test
V_RCH > V_BAT
Power Input
Voltage
VIN > VUVLO
Enable
Yes
Yes
Fault
Conditions Monitoring
OV, OT,
TS>V_TS2 or TS<V_TS1
No
Expired
Preconditioning
Test
VMIN > VBAT
No
Yes
Preconditioning
(Trickle Charge)
Yes
Current Phase Test
V_IN > V_{BAT_EOC}
Yes
Constant
Current Charge
Mode
No
Voltage Phase Test
I_BAT > I_TERM
Yes
Constant
Voltage Charge
Mode
No
Charge Completed
Charge Timer
Control
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CCh.Ca.rgMinogdeMode
Yes
No
Device Thermal
Loop Monitor
T_J > 115°C
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
12
201885B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012