AAT3680 Datasheet, PDF (4/18 Pages) Advanced Analogic Technologies – Lithium-Ion Linear Battery Charge Controller

AAT3680
Lithium-Ion Linear Battery Charge Controller
Electrical Characteristics (V_IN = 4.5V to 15V, T_A = -20 to 70°C unless otherwise noted. Typical
values are at T_A=25°C)
Symbol Description
Conditions
Min Typ Max Units
I_P
I_SLEEP
I_STAT(HI)
V_STAT(LOW)
I_SINK
V_OL@DRV
V_CH
V_CS
V_MIN
V_TRICKLE
T_2X
V_TS1
V_TS2
V_TERM
V_RCH
V_UVLO
V_OVP
V_OCP
Operating Current
Sleep Mode Current
STAT high level output
leakage current
V_IN = 5.5V
V_IN = 5.5V, V_CH = 4.1V, V_CH = 4.2V
V_CH = 8.2V, V_CH = 8.4V
V_IN = 5.5V
-1
STAT low level sink current
DRV pin sink current
DRV pin output low
V_IN = 5.5V, I_SINK = 5mA
V_IN = 5.5V
I_SINK = 5mA, V_IN = 5.5V
AAT3680-4.1
T_A = 25°C
see note 1
20
4.075
4.059
Output Charge Voltage
AAT3680-4.2
T_A = 25°C
see note 1
AAT3680-8.2
T_A = 25°C
see note 1
4.175
4.158
8.151
8.118
AAT3680-8.4
T_A = 25°C
see note 1
8.350
8.316
Charge Current Regulation
V_IN = 5.5V, V_CH = 4.1V, V_CH = 4.2V
V_IN = 12V, V_CH = 8.2V, V_CH = 8.4V
AAT3680-4.1
90
90
2.94
Preconditioning Voltage Threshold
AAT3680-4.2
AAT3680-8.2
3.04
5.98
AAT3680-8.4
6.08
Trickle-Charge Current Regulation
T2X
floating
V_CH
V_CH
=
=
4.1V,
8.2V,
V_CH
V_CH
=
=
4.2V
8.4V
Trickle Charge Current Gain
T2X = V_SS
Low Temperature Threshold
V_IN = 15V
High Temperature Threshold
V_IN = 15V
Charge termination threshold voltage
29.1
58.2
4
Battery Recharge Voltage Threshold
Undervoltage Lockout
Over-voltage Protection Threshold
V_CH = 4.1V
V_CH = 4.2V
V_CH = 8.2V
V_CH = 8.4V
V_IN rising, T_A = 25°C
3.92
4.018
7.84
8.306
3.5
Over-current Protection Threshold
0.5
2
3
0.3
0.4
4.100
4.100
4.200
4.200
8.200
8.200
8.400
8.400
100
100
3.0
3.1
6.1
6.2
10
10
1.8
30
60
12
4.00
4.10
8.00
8.20
4.0
4.4
200
3 mA
6
10
µA
+1 µA
0.6
V
mA
1.0
V
4.125
4.141
4.225
4.242
8.249
V
8.282
8.450
8.484
110
110
mV
3.06
3.16
6.22
V
6.32
mV
30.9
61.8
24
4.08
4.182
8.16
8.364
4.5
% V_P
% V_P
mV
V
V
V
% V_CS
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