NCP1800DM42R2 datasheet(5/14 Pages) ONSEMI

Part #	NCP1800DM42R2

Description	Single-Cell Lithium Ion Battery Charge Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1800

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VCC, INPUT SUPPLY VOLTAGE (V)

7

6

5.5

5

4.5

4

3.5

1

3.5

Figure 3. Pre-Charge Threshold Voltage versus

Input Supply Voltage

VCC, INPUT SUPPLY VOLTAGE (V)

Figure 4. Pre-Charge Current Reference Voltage

versus Input Supply Voltage

Figure 5. Pre-Charge Current Reference

Voltage versus Battery Voltage

Figure 6. Full-Charge Current Reference Voltage

versus Battery Voltage

3

2.5

2

VSNS = 2.5 V

RISEL = 60 kW

RSNS = 0.4 W

7

6

5.5

5

4.5

4

3.5

24.20

24.25

1.5

2.9

2.5

2.1

1.7

1.3

0.9

0.5

VSNS, BATTERY VOLTAGE (V)

4.2

4.0

3.8

3.6

3.4

3.2

0.24

0.243

VSNS, BATTERY VOLTAGE (V)

0.2425

0.241

0.2405

0

26

14

6

4

6.5

24.30

24.35

24.40

24.45

24.50

24.55

24.60

24.65

24.70

24.75

2

12

10

8

24

16

22

20

18

VCC = 5 V

RISEL = 60 kW

RSNS = 0.4 W

VCC = 5 V

RISEL = 60 kW

RSNS = 0.4 W

0.2415

0.242

VCC, INPUT SUPPLY VOLTAGE (V)

7

6.5

6

5.5

5

4.5

0.2385

0.2415

Figure 7. Full-Charge Current Reference

Voltage versus Input Supply Voltage

VCC, INPUT SUPPLY VOLTAGE (V)

Figure 8. End of Charge Reference Voltage

versus Input Supply Voltage

0.241

0.2405

7

6.5

6

5.5

5

4.5

23.8

24.5

24.3

24

23.9

0.239

24.4

0.2395

0.24

VSNS = 3.6 V

RISEL = 60 kW

RSNS = 0.4 W

24.1

24.2

RISEL = 60 kW

RSNS = 0.4 W

Similar Part No. - NCP1800DM42R2

Manufacturer	Part #	Datasheet	Description
ON Semiconductor	NCP1800DM42R2	93Kb / 14P	Single-Cell Lithium Ion Battery Charge Controller November, 2004 ??Rev. 5

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NCP1800DM42R2 Datasheet(PDF) 5 Page - ON Semiconductor

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