LX2201

Microsemi

Integrated Products Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 7

Copyright

© 2000

Rev. 1.2b, 2005-04-13

USB Li-Ion Battery Charger

TM

®

98

98.5

99

99.5

100

100.5

101

101.5

-55

-35

-15

5

25

45

65

85

Am bient Tem pe rature (°C)

Chart 1 – Charging Current Accuracy over Temperature

40

42

44

46

48

50

52

54

- 5 5

- 35

- 1 5

5

25

45

65

85

Am bient Te m perature (°C)

Chart 2 – Termination Current over Temperature

462

462.2

462.4

462.6

462.8

463

463.2

4

4 .5

5

5 .5

6

6 .5

VIN Voltage (V)

Chart 3 – USB High Current over VIN Voltage

92

92.1

92.2

92.3

92.4

92.5

92.6

92.7

92.8

92.9

4

4 .5

5

5 .5

6

6 .5

VIN Voltage (V)

Chart 4 – USB Low Current over VIN Voltage

99

99.5

100

100.5

101

101.5

102

102.5

103

44 .5

5

5 .5

66 .5

VDD Voltage (V)

Chart 5 – Charging Current over VDD Voltage

5

4

3

2

1

0

50

100

150

200

250

200

400

600

800

1000

Time (minutes)

Chart 6 – Battery Current & Voltage vs. Time