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AAT3663 Datasheet, PDF (4/22 Pages) Advanced Analogic Technologies – 1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications
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AAT3663
1A Linear Li-Ion Battery Charger
for Single and Dual Cell Applications
Electrical Characteristics
VIN = 5V, TA = -25 to +85°C; Unless otherwise noted, typical values are at TA = 25°C
Symbol Description
Operation
VIN
VUVLO
Input Voltage Range
Under Voltage Lockout Threshold
UVLO Hysteresis
Adapter Present Indicator Threshold
VADPP_TH Voltage, VIN – VBAT
IOP
Operating Current
ISHUTDOWN Shutdown Current
ILEAKAGE Leakage Current from BAT Pin
ENLEAKAGE EN Pin Leakage
Voltage Regulation
VBAT_EOC End of Charge Voltage Regulation
ΔVBAT_EOC/ End of Charge Voltage Accuracy
VBAT_EOC
VMIN
Preconditioning Voltage Threshold
VRCH
Battery Recharge Voltage Threshold
Current Regulation
ICC_RANGE Charge Current Programmable Range
ICH_CC
Constant-Current Mode
Charge Current
VISET
KISET
VTERM
ICH_TRK
ISET Pin Voltage
Charge Current Set Factor:
ICH_CC/ISET
TERM Pin Voltage
Trickle-Charge Current
ICH_TERM Charge Termination Current Threshold
Charging Devices
RDS(ON) Charging Transistor ON Resistance
Logic Control / Protection
VEN
Input High Threshold
Input Low Threshold
VSTAT
ISTAT
Output Low Voltage
STAT Pin Current Sink Capability
Conditions
Rising Edge
VIN > VUVLO
Charge Current = 100mA
VBAT = 4.25V, EN = GND
VBAT = 4V, IN = Open
VEN = 5V
AAT3663-4.2
AAT3663-8.4
AAT3663-4.2
AAT3663-8.4
AAT3663-4.2
AAT3663-8.4
RISET = 1.74KΩ (for 1A),
VBAT = 3.6V
RISET = 17.8KΩ (for 0.1A),
VBAT = 3.6V
Constant Current Mode,
VBAT = 3.6V
RTERM = 40kΩ
TERM pin open
RTERM = 13.3 kΩ,
ICH_CC ≥ 800mA
VIN = 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
VBAT_EOC
- 0.1
VBAT_EOC
- 0.2
1000
100
2
900
0.6
10
10
10
330
Max Units
13.2
V
4
V
mV
100
mV
1
mA
1
µA
2
µA
µA
4.242
V
8.484
%
2.7
V
5.4
V
1000 mA
1100
mA
120
V
V
15 % ICH_CC
15 % ICH_CC
12 % ICH_CC
500
mΩ
V
0.4
0.4
V
8
mA
4
3663.2007.10.1.0
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