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NCP1800 Datasheet(PDF) 6 Page - ON Semiconductor

Part # NCP1800
Description  Single-Cell Lithium Ion Battery Charge Controller
Download  14 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1800 Datasheet(HTML) 6 Page - ON Semiconductor

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NCP1800
http://onsemi.com
6
0
100
Figure 9. Battery Drain Current versus
Battery Voltage
Figure 10. Pre−Charge Current
versus Current Programming Resistor
Figure 11. Full−Charge Current versus
Current Programming Resistor
Figure 12. VEOC/VFCHG versus Current
Programming Resistor
1000
100
10
RISEL, CURRENT PROGRAMMING RESISTANCE (kW)
1000
0.11
300
250
200
125
100
50
25
RISEL, CURRENT PROGRAMMING RESISTANCE (kW)
0.03
0.02
0.01
4.1
3.7
3.5
3.3
2.9
2.7
2.5
VSNS, BATTERY VOLTAGE (V)
1000
100
10
1
1000
RISEL, CURRENT PROGRAMMING RESISTANCE (kW)
100
10
0.2
0.48
0.32
0.24
3.1
3.9
0.28
0.44
0.36
0.40
VCC = 0
VCC = 5 V
VSNS = 2.5 V
RSNS = 0.4 W
CALCULATED
MEASURED
VCC = 5 V
VSNS = 3.6 V
RSNS = 0.4 W
CALCULATED
MEASURED
VCC = 5 V
RSNS = 0.4 W
0.06
0.05
0.04
0.07
0.10
0.09
0.08
75
150 175
225
275
IPCHG +
(1.19
12e3)
(10
RISEL
RSNS)
IREG +
(1.19
12e3)
(RISEL
RSNS)
16
12
8
7
6
5
0
250
Figure 13. Input Supply Current versus Input
Supply Voltage
VCC, INPUT SUPPLY VOLTAGE (V)
200
150
50
100
VSNS = 4.7 V
VSOVLO Activated
11
10
915
14
13
VSNS < VSOVLO
IREG = 0 A


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