AAT3682
Lithium-Ion/Polymer Linear Battery Charger
Electrical Characteristics1
VIN = 5.0V, TA = -20°C to +70°C, unless otherwise noted. Typical values are at TA = 25°C.
Symbol Description
Conditions
Min Typ Max Units
VIN
ICC
Operation Input Voltage
4.7
6.0
3.0
V
mA
µA
µA
V
Operating Current
VIN = 5.5V, VCH = 4.2
VIN = 3.5V, VCH = 4.2
0.5
3.0
ISLEEP
ISTAT(HI)
VSTAT(LOW) STAT Low Level Sink Current
Sleep Mode Current
6.0
STAT High Level Output Leakage Current VIN = 5.5V
-1.0
+1.0
0.6
VIN = 5.5V, ISINK = 5mA
0.3
TA = 25°C
VBAT = 4.2V
4.175 4.20 4.225
4.158 4.20 4.242
VCH
Output Charge Voltage Regulation
V
See Note 1
VCS
ICH
Charge Current Regulation
Charge Current2
VIN = 5.5V, VCH = 4.2
VIN = 5.5V
90
100
110
1.0
mV
A
VMIN
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
VCH = 4.2V
3.04
3.1
10
1.8
30
60
12
3.16
V
VTRICKLE
T2X
T2X Floating; VCH = 4.2V
T2X = VSS
mV
VTS1
29.1
58.2
4
30.9 %VCC
61.8 %VCC
VTS2
VTERM
VRCH
VUVLO
VOVP
VOCP
24
mV
V
VCH = 4.2V
4.018
3.5
4.1 4.182
VIN Rising, TA = 25°C
4.0
4.4
4.5
V
Over-Voltage Protection Threshold
Over-Current Protection Threshold
V
200
%VCS
1. The AAT3682 output charge voltage is specified over the 0°C to 55°C ambient temperature range; operation over -20°C to 70°C is guar-
anteed by design.
2. 1A of charging current is only for dynamic applications and not DC. In addition, the ambient temperature must be at or below 50°C.
4
3682.2006.12.1.3
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
