AAT3680
Lithium-Ion Linear Battery Charge Controller
Electrical Characteristics (VIN = 4.5V to 15V, TA = -20 to 70°C unless otherwise noted. Typical
values are at TA=25°C)
Symbol Description
Min
Typ
0.5
2
Max Units
IP
Operating Current
3
6
mA
µA
µA
ISLEEP
ISTAT(HI)
Sleep Mode Current
3
10
+1
STAT high level output
leakage current
-1
VSTAT(LOW) STAT low level sink current
ISINK DRV pin sink current
VOL@DRV DRV pin output low
VIN = 5.5V, ISINK = 5mA
VIN = 5.5V
ISINK = 5mA, VIN = 5.5V
0.3
0.4
0.6
V
mA
V
20
1.0
TA = 25°C
see note 1
4.075 4.100 4.125
4.059 4.100 4.141
4.175 4.200 4.225
4.158 4.200 4.242
8.151 8.200 8.249
8.118 8.200 8.282
8.350 8.400 8.450
8.316 8.400 8.484
AAT3680-4.1
TA = 25°C
see note 1
AAT3680-4.2
VCH
Output Charge Voltage
V
TA = 25°C
see note 1
AAT3680-8.2
TA = 25°C
see note 1
AAT3680-8.4
V
IN = 5.5V, VCH = 4.1V, VCH = 4.2V
90
90
2.94
3.04
5.98
6.08
100
100
3.0
3.1
6.1
6.2
10
110
110
3.06
3.16
6.22
6.32
VCS
Charge Current Regulation
mV
V
VIN = 12V, VCH = 8.2V, VCH = 8.4V
AAT3680-4.1
AAT3680-4.2
AAT3680-8.2
AAT3680-8.4
VMIN
Preconditioning Voltage Threshold
VCH = 4.1V, VCH = 4.2V
VTRICKLE Trickle-Charge Current Regulation
T2X floating
mV
VCH = 8.2V, VCH = 8.4V
10
T2X
VTS1
VTS2
Trickle Charge Current Gain
Low Temperature Threshold
High Temperature Threshold
Charge termination threshold voltage
T2X = VSS
VIN = 15V
VIN = 15V
1.8
30
60
29.1
58.2
4
30.9 % VP
61.8 % VP
VTERM
12
24
mV
VCH = 4.1V
3.92
4.00
4.08
4.182
8.16
8.364
4.5
VCH = 4.2V
4.018 4.10
7.84 8.00
8.306 8.20
VRCH
Battery Recharge Voltage Threshold
V
VCH = 8.2V
VCH = 8.4V
VIN rising, TA = 25°C
VUVLO
VOVP
VOCP
Undervoltage Lockout
Over-voltage Protection Threshold
Over-current Protection Threshold
3.5
4.0
4.4
V
V
200
% VCS
Note 1: The AAT3680 output charge voltage is specified over 0° to 50°C ambient temperature; operation over -20 to 70°C is guaranteed
by design.
4
3680.2003.4.0.91