AAT3686
USB Port/AC Adapter
Lithium-Ion/Polymer Battery Charger
Typical Characteristics
IFASTCHARGE vs. RSET
Battery Voltage vs. Supply Voltage
10000
4.242
4.221
1000
USBH
ADP
4.200
USBL
ADP
100
USBH
4.179
4.158
10
1
10
100
4.5
4.75
5.0
5.25
5.5
RSET (kΩ)
Supply Voltage (V)
Recharge Voltage vs. Temperature
End of Charge Voltage vs. Temperature
4.242
4.140
4.130
4.120
4.110
4.100
4.090
4.080
4.070
4.060
4.050
4.040
4.221
4.200
4.179
4.158
ADP
ADP
USBH
USBH
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
Preconditioning Threshold
Voltage vs. Temperature
Preconditioning Charge Current vs. Temperature
(ADPSET = 8.06kΩΩ; USBH = 8.06kΩ)
3.05
120
110
100
90
60
55
50
45
40
3.04
3.03
3.02
3.01
3.00
2.99
2.98
2.97
2.96
2.95
USBH
ADP
USBH
ADP
80
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
6
3686.2006.10.1.9
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
