
AAT3680
Lithium-Ion Linear Battery Charge Controller
4
3680.2003.4.0.91
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)
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.
Symbol
I
P
Description
Operating Current
Conditions
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
Min
Typ
0.5
2
3
Max
3
6
10
+1
Units
mA
I
SLEEP
Sleep Mode Current
μA
I
STAT(HI)
STAT high level output
leakage current
STAT low level sink current
DRV pin sink current
DRV pin output low
-1
μA
V
STAT(LOW)
I
SINK
V
OL@DRV
V
IN
= 5.5V, I
SINK
= 5mA
V
IN
= 5.5V
I
SINK
= 5mA, V
IN
= 5.5V
0.3
0.6
V
20
mA
V
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
1.0
4.125
4.141
4.225
4.242
8.249
8.282
8.450
8.484
110
110
3.06
3.16
6.22
6.32
AAT3680-4.1
T
A
= 25°C
see note 1
T
A
= 25°C
see note 1
T
A
= 25°C
see note 1
T
A
= 25°C
see note 1
4.075
4.059
4.175
4.158
8.151
8.118
8.350
8.316
90
90
2.94
3.04
5.98
6.08
AAT3680-4.2
V
CH
Output Charge Voltage
V
AAT3680-8.2
AAT3680-8.4
V
CS
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
AAT3680-4.2
AAT3680-8.2
AAT3680-8.4
T2X floatingV
CH
= 4.1V, V
CH
= 4.2V
V
CH
= 8.2V, V
CH
= 8.4V
T2X = V
SS
V
IN
= 15V
V
IN
= 15V
mV
V
MIN
Preconditioning Voltage Threshold
V
V
TRICKLE
Trickle-Charge Current Regulation
mV
T
2X
V
TS1
V
TS2
V
TERM
Trickle Charge Current Gain
Low Temperature Threshold
High Temperature Threshold
Charge termination threshold voltage
29.1
58.2
4
3.92
4.018
7.84
8.306
3.5
30.9
61.8
24
4.08
4.182
8.16
8.364
4.5
% V
P
% V
P
mV
V
CH
= 4.1V
V
CH
= 4.2V
V
CH
= 8.2V
V
CH
= 8.4V
V
IN
rising, T
A
= 25°C
V
RCH
Battery Recharge Voltage Threshold
V
V
UVLO
V
OVP
V
OCP
Undervoltage Lockout
Over-voltage Protection Threshold
Over-current Protection Threshold
V
V
% V
CS