AAT3685 Datasheet, PDF (6/23 Pages) Advanced Analogic Technologies – Lithium-Ion/Polymer Battery Charger

Typical Characteristics
I_FASTCHARGE vs. R_SET
10000
1000
SETL
100
SETH
10
1
10
100
R_SET (kΩ)
AAT3685
Lithium-Ion/Polymer Battery Charger
Battery Voltage vs. Supply Voltage
4.242
4.221
4.200
4.179
1000
4.158
4.5
4.75
5
5.25
5.5
Supply Voltage (V)
Recharge Voltage vs. Temperature
4.140
4.130
4.120
4.110
4.100
4.090
4.080
4.070
4.060
4.050
4.040
-50
-25
0
25
50
Temperature (°C)
75
100
End of Charge Voltage vs. Temperature
4.242
4.221
4.200
4.179
4.158
-50
-25
0
25
50
Temperature (°C)
75
100
Preconditioning Threshold
Voltage vs. Temperature
3.05
3.04
3.03
3.02
3.01
3.00
2.99
2.98
2.97
2.96
2.95
-50
-25
0
25
50
75
100
Temperature (°C)
Preconditioning Charge Current vs. Temperature
(SETH; SETH = 3.83kΩ)
120
110
100
90
80
-50
-25
0
25
50
Temperature (°C)
75
100
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3685.2006.10.1.3