AAT3683_08 Datasheet, PDF (4/23 Pages) Advanced Analogic Technologies – 1A Linear Li-Ion Battery Charger

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PRODUCT DATASHEET
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}
ΔV_{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
V
150
mV
60
110
mV
0.3
1
mA
0.4
1
μA
0.4
2
μA
4.158 4.20 4.242
V
0.5
%
(Option available for no trickle charge) 2.5
2.6
2.7
V
V_{BAT_EOC}
- 0.1
V
V_IN = 6.5V and V_BAT = 3.6V
Constant Current Mode, V_BAT = 3.6V
R_TERM = 13.3KΩ
TERM Pin Open
R_TERM = 13.3KΩ, I_{CH_CC} ≥ 800mA
V_IN = 5V
100
-12.5
5
5
8
2
800
0.2
10
10
10
0.5
1000
mA
12.5
%
V
V
15
% I_{CH_CC}
15
% I_{CH_CC}
12
%
0.7
Ω
4
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3683.2007.11.1.2