AAT3680
Lithium-Ion/Polymer
Linear Battery Charge Controller
Electrical Characteristics
V
IN
= 4.5V to 5.5V, T
A
= -20°C to 70°C, unless otherwise noted; typical values are at T
A
= 25°C.
Symbol
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
Description
Operating Current
Sleep Mode Current
STAT High-Level Output
Leakage Current
STAT Low-Level Sink Current
DRV Pin Sink Current
DRV Pin Output Low
Conditions
V
IN
= 5.5V, V
CH
= 4.1V, V
CH
= 4.2V
V
IN
= 3.5V, V
CH
= 4.1V, V
CH
= 4.2V
V
IN
= 5.5V
V
IN
= 5.5V, I
SINK
= 5mA
V
IN
= 5.5V
I
SINK
= 5mA, V
IN
= 5.5V
T = 25°C
AAT3680-4.1
A
See Note 1
T = 25°C
AAT3680-4.2
A
See Note 1
V
IN
= 5.5V, V
CH
= 4.1V, V
CH
= 4.2V
AAT3680-4.1
AAT3680-4.2
T2X Floating, V
CH
= 4.1V, V
CH
= 4.2V
T2X = V
SS
V
IN
= 5.5V
V
IN
= 5.5V
V
CH
= 4.1V
V
CH
= 4.2V
V
IN
Rising, T
A
= 25°C
Min
Typ
0.5
2
Max Units
3
6
+1
0.6
1.0
4.125
4.141
4.225
4.242
110
3.06
3.16
mA
µA
µA
V
mA
V
-1
0.3
20
4.075
4.059
4.175
4.158
90
2.94
3.04
0.4
4.100
4.100
4.200
4.200
100
3.0
3.1
10
1.8
30
60
12
4.00
4.10
4.0
4.4
200
Output Charge Voltage
V
Charge Current Regulation
Preconditioning Voltage Threshold
Trickle-Charge Current Regulation
Trickle Charge Current Gain
Low-Temperature Threshold
High-Temperature Threshold
Charge Termination Threshold Voltage
Battery Recharge Voltage Threshold
Under-Voltage Lockout
Over-Voltage Protection Threshold
Over-Current Protection Threshold
mV
V
mV
29.1
58.2
4
3.92
4.018
3.5
30.9
61.8
24
4.08
4.182
4.5
% V
P
% V
P
mV
V
V
V
% V
CS
1. The AAT3680 output charge voltage is specified over 0° to 50°C ambient temperature; operation over -20°C to +70°C is guaranteed
by design.
4
3680.2006.03.1.6
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
