AAT3663_08 Datasheet, PDF (4/23 Pages) Advanced Analogic Technologies – 1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications

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PRODUCT DATASHEET
AAT3663
1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications
Electrical Characteristics
V_IN = 5V, T_A = -40 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_BAT
I_OP
Operating Current
I_SHUTDOWN Shutdown Current
I_LEAKAGE Leakage Current from BAT Pin
EN_LEAKAGE EN Pin Leakage
Voltage Regulation
V_{BAT_EOC} End of Charge Voltage Regulation
ΔV_{BAT_EOC}/
V_{BAT_EOC}
End of Charge Voltage Accuracy
V_MIN
Preconditioning Voltage Threshold
V_RCH
Battery Recharge Voltage Threshold
Current Regulation
I_{CC_RANGE} Charge Current Programmable Range
I_{CH_CC}
Constant-Current Mode Charge
Current
V_ISET
K_ISET
V_TERM
ISET Pin Voltage
Charge Current Set Factor: I_{CH_CC}/I_SET
TERM Pin Voltage
I_{CH_TRK} Trickle-Charge Current
I_{CH_TERM} Charge Termination Current Threshold
Charging Devices
R_DS(ON) Charging Transistor ON Resistance
Logic Control / Protection
Input High Threshold
V_EN
Input Low Threshold
V_STAT
I_STAT
Output Low Voltage
STAT Pin Current Sink Capability
Conditions
Rising Edge
V_IN > V_UVLO
Charge Current = 100mA
V_BAT = 4.25V, EN = GND
V_BAT = 4V, IN = Open
V_EN = 5V
AAT3663-4.2
AAT3663-8.4
AAT3663-4.2
AAT3663-8.4
AAT3663-4.2
AAT3663-8.4
R_ISET = 1.74KΩ (for 1A), V_BAT = 3.6V
R_ISET = 17.8KΩ (for 0.1A), V_BAT = 3.6V
Constant Current Mode, V_BAT = 3.6V
R_TERM = 40kΩ
TERM pin open
R_TERM = 13.3 kΩ, I_{CH_CC} ≥ 800mA
V_IN = 5V
STAT Pin Sinks 4mA
Min
4.0
3
4.158
8.316
2.5
5.0
100
900
80
5
5
8
1.6
Typ
150
50
0.35
0.4
0.4
0.6
4.2
8.4
0.5
2.6
5.2
V_{BAT_EOC} - 0.1
V_{BAT_EOC} - 0.2
1000
100
2
900
0.6
10
10
10
330
Max
13.2
4
100
1
1
2
4.242
8.484
2.7
5.4
1000
1100
120
15
15
12
500
0.4
0.4
8
Units
V
V
mV
mV
mA
μA
μA
μA
V
%
V
V
mA
mA
V
V
% I_{CH_CC}
% I_{CH_CC}
% I_{CH_CC}
mΩ
V
V
mA
4
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3663.2008.01.1.2