AAT3687 Datasheet, PDF (7/22 Pages) Advanced Analogic Technologies – Lithium-Ion/Polymer Battery Charger

AAT3687
Lithium-Ion/Polymer Battery Charger
Typical Characteristics
Charging Current vs. Battery Voltage
(ADPSET = 8.06kΩ; V_IN = 5.0V)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
2.5
2.9
3.3
3.7
4.1
4.5
Battery Voltage (V)
Fast Charge Current vs. Supply Voltage
(ADPSET = 8.06kΩ)
1200
1000
V_BAT = 3.3V
800
V_BAT = 3.9V
600
V_BAT = 3.5V
400
200
0
4.0
4.5
5.0
5.5
6.0
Supply Voltage (V)
V_IH vs. Supply Voltage
EN Pin (Rising)
1.4
1.3
1.2
1.1
1.0
-40°C
+25°C
0.9
0.8
0.7
0.6
+85°C
0.5
0.4
4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 5.8 6.0
Supply Voltage (V)
V_IL vs. Supply Voltage
EN Pin (Falling)
1.4
1.3
1.2
1.1
1.0
-40°C
+25°C
0.9
0.8
0.7
0.6
+85°C
0.5
0.4
4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 5.8 6.0
Supply Voltage (V)
Adapter Mode Supply Current
vs. ADPSET Resistor
0.80
0.70
0.60
0.50
Constant Current
0.40
0.30
0.20
Pre-Conditioning
0.10
0.00
1
10
100
1000
ADPSET Resistor (kΩ)
Counter Timeout vs. Temperature
(CT = 0.1μF)
10
8
6
4
2
0
-2
-4
-6
-8
-10
-50
-25
0
25
50
Temperature (°C)
75
100
3687.2006.06.1.5
7