NCP1835 datasheet(6/16 Pages) ONSEMI

Part #	NCP1835

Description	Integrated Li?묲on Charger

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1835

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6

TYPICAL OPERATING CHARACTERISTICS

2.5

3.0

3.5

4.0

4.5

VBAT, BATTERY VOLTAGE (V)

800

600

400

200

0

1000

Figure 8. V2P8 Voltage vs. Input Voltage

Figure 9. Trickle Charge Current vs. Input Voltage

Figure 10. Trickle Charge Current vs. Temperature

Figure 11. Full Charge Current vs. Input Voltage

4.3

4.5

4.7

4.9

5.1

VCC, INPUT VOLTAGE (V)

3.0

2.5

2.0

1.5

1.0

0.5

0.0

5.3

5.5

3.7

3.9

4.1

4.5

5.0

5.5

6.0

6.5

VCC, INPUT VOLTAGE (V)

110

100

90

80

120

−50

−25

0

25

50

75

TA, AMBIENT TEMPERATURE (°C)

120

110

100

90

80

70

60

VCC = 5 V

VBAT = 2.0 V

100

125

4.5

5.0

5.5

6.0

6.5

VCC, INPUT VOLTAGE (V)

1100

1000

900

800

1200

4.242 V

4.2 V

VCC = 5 V

4.5

5.0

5.5

6.0

6.5

VCC, INPUT VOLTAGE (V)

4.10

4.05

4.00

3.95

3.90

Figure 12. Recharge Voltage vs. Input Voltage

RISEL = 80 k

Figure 13. Charge Current vs. Battery Voltage

VBAT = 3.7 V

RISEL = 80 k

VBAT = 2.0 V

RISEL = 80 k

VBAT = 3.7 V

RISEL = 80 k

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