AAT3683_12 Datasheet, PDF (4/22 Pages) Skyworks Solutions Inc. – 1A Linear Li-Ion Battery Charger

DATA SHEET
AAT3683
1A Linear Li-Ion Battery Charger
Electrical Characteristics
V_IN = 5V, T_A = -40°C to +85°C, unless otherwise noted. Typical values are at T_A = 25°C.
Symbol Description
Operation
V_IN
V_UVLO
Input Voltage Range
Under-Voltage Lockout Threshold
UVLO Hysteresis
V_{ADPP_TH}
Adapter Present Indicator Threshold
Voltage, V_IN - V_BA
I_OP
Operating Current
I_SHUTDOWN Shutdown Current
I_LEAKAGE Leakage Current from BAT Pin
Voltage Regulation
V_{BAT_EOC}
V_{BAT_EOC}/
V_{BAT_EOC}
V_MIN
End of Charge Accuracy
End of Charge Tolerance
Preconditioning Voltage Threshold
V_RCH
Battery Recharge Voltage Threshold
Current Regulation
I_{CC_RANGE}
I_{CH_CC}
Charge Current Programmable Range
Constant Current Mode Charge Current
V_ISET
KI_SET
ISET Pin Voltage
Charge Current Set Factor: I_{CH_CC}/I_ISET
V_TERM
TERM Pin Voltage
I_{CH_TRK} Trickle-Charge Current
I_{CH_TERM} Charge Termination Threshold Current
Charging Devices
R_DS(ON) Charging Transistor On Resistance
Conditions
Min Typ Max Units
Rising Edge
V_IN > V_UVLO
Charge Current = 100mA
V_BAT = 4.25V, EN = GND
V_BAT = 4V, IN Pin Open
4.0
7.5
V
3
4
150
mV
60
110
0.3
mA
1
0.4
μA
2
4.158 4.20 4.242
V
0.5
%
(Option available for no trickle charge) 2.5
2.6
2.7
V_{BAT_EOC}
V
- 0.1
V_IN = 6.5V and V_BAT = 3.6V
Constant Current Mode, V_BAT = 3.6V
R_TERM = 13.3K
TERM Pin Open
R_TERM = 13.3K, I_{CH_CC}  800mA
V_IN = 5V
100
-12.5
5
8
2
800
0.2
10
0.5
1000
mA
12.5
%
V
V
15
% I_{CH_CC}
12
%
0.7

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
4
201885B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012