STw4102 STMicroelectronics, STw4102 Datasheet - Page 11

• Manufacturer Part Number: STw4102
• Description: Dual source USB Li-ion charger with gas gauge
• Manufacturer: STMicroelectronics

STw4102
Typical performance curves
Figure 3.
Figure 5.
Figure 7.
4.24
4.23
4.22
4.21
4.20
4.19
4.18
4.17
4.16
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-50
-50
0
-25
Charger voltage vs. charge current
(Main charge, 4.2V and 1A settings)
Charge current vs. temperature
(charge from MAIN, 1A setting)
-25
Charge voltage vs. temperature
(4.2V nominal setting)
200
0
0
400
Icharge (mA)
25
25
Temp (°C)
Temp (°C)
600
50
50
800
75
75
1000
100
100
1200
125
125
Figure 4.
Figure 6.
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
500
400
300
200
100
0
-50
0
Charger voltage vs. charge current
(USB charge, 4.2V setting)
Charge current vs. temperature
(charge from USBPWR)
-25
100
Ich=200mA
Ich=400mA
0
Ich=200mA
200
25
Electrical characteristics
Temp (°C)
Iusb (mA)
50
300
Ich=400mA
75
400
100
125
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500