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