STW4102 datasheet(11/34 Pages) STMICROELECTRONICS

部件名	STW4102

功能描述	Dual USB/wall adapter Li-ion battery charger with gas gauge

PDF	34 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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11 / 34 page

STw4102

Electrical characteristics

11/34

Typical performance curves

Figure 3.

Charger voltage vs. charge current

(Main charge, 4.2V and 1A settings)

Figure 4.

Charger voltage vs. charge current

(USB charge, 4.2V setting)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

200

400

600

800

1000

1200

Icharge (mA)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

100

200

300

400

500

Iusb (mA)

Ich=400mA

Ich=200mA

Figure 5.

Charge current vs. temperature

(charge from MAIN, 1A setting)

Figure 6.

Charge current vs. temperature

(charge from USBPWR)

Figure 7.

Charge voltage vs. temperature

(4.2V nominal setting)

0.0

0.2

0.4

0.6

0.8

1.0

1.2

-50

-25

255075

100

125

Temp (°C)

100

200

300

400

500

-50

-25

100

125

Temp (°C)

Ich=400mA

Ich=200mA

4.16

4.17

4.18

4.19

4.20

4.21

4.22

4.23

4.24

-50

-25

100

125

Temp (°C)

STW4102 数据表(PDF) 11 Page - STMicroelectronics

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