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PDF NCP1800DM42 Data sheet ( Hoja de datos )
| Número de pieza | NCP1800DM42 | |
| Descripción | Single-Cell Lithium Ion Battery Charge Controller | |
| Fabricantes | ON | |
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NCP1800
Single−Cell Lithium Ion
Battery Charge Controller
The NCP1800 is a constant current, constant voltage (CCCV)
lithium ion battery charge controller. The external sense resistor sets
the full charging current, and the termination current is 10% of the full
charge current (0.1 C). The voltage is regulated at ±1% during the
final charge stage. There is virtually zero drain on the battery when the
input power is removed.
Features
• Integrated Voltage and Programmable Current Regulation
• Integrated Cell Conditioning for Deeply Discharged Cell
• Integrated End of Charge Detection
• Better than 1% Voltage Regulation
• Charger Status Output for LED or Host Processor Interface
• Charge Interrupt Input
• Safety Shutoff for Removal of Battery
• Adjustable Charge Current Limit
• Input Over and Under Voltage Lockout
• Micro8 Package
Applications
• Cellular Phones, PDAs
• Handheld Equipment
• Battery Operated Portable Devices
PMOS/Schottky (FETKYt): NTHD4P02FT1 (ChipFETt)
PMOS: NTGS3441T1 (TSOP 6)
Schottky: MBRM130L
RSNS
Vin
Host or LED
Host
Processor
OUT
VCC ISNS
NCP1800
VSNS
CFLG
COMP/
DIS
ISEL
Cin
GND
RCOMP
CCOMP
RISEL
60 k
RCOMP = 15 W, CCOMP = 560 nF
Cout
http://onsemi.com
8
1
Micro8t
CASE 846A
DM SUFFIX
PIN CONNECTIONS AND
MARKING DIAGRAM
ISNS
ISEL
COMP/DIS
GND
1
2
3
4
8 OUT
7 VCC
6 CFLG
5 VSNS
X = A for 41 Device
B for 42 Device
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
ORDERING INFORMATION
Device
Package
Shipping
NCP1800DM41R2 Micro8 4000 Units/Reel
NCP1800DM42R2 Micro8 4000 Units/Reel
Figure 1. Typical Application
© Semiconductor Components Industries, LLC, 2003
May, 2003 - Rev. 4
1
Publication Order Number:
NCP1800/D
1 page  
NCP1800
3.5
3
2.5
2
1.5
1
3.5 4 4.5 5 5.5 6 6.5 7
VCC, INPUT SUPPLY VOLTAGE (V)
Figure 3. Pre-Charge Threshold Voltage versus
Input Supply Voltage
24.75
24.70
24.65
24.60
24.55
VSNS = 2.5 V
RISEL = 60 kW
RSNS = 0.4 W
24.50
24.45
24.40
24.35
24.30
24.25
24.20
3.5 4 4.5 5 5.5 6 6.5 7
VCC, INPUT SUPPLY VOLTAGE (V)
Figure 4. Pre-Charge Current Reference Voltage
versus Input Supply Voltage
26
24
22
20
18
16
14
12
10
8
6
4
2
0
0.5
VCC = 5 V
RISEL = 60 kW
RSNS = 0.4 W
0.9 1.3 1.7 2.1 2.5
VSNS, BATTERY VOLTAGE (V)
2.9
Figure 5. Pre-Charge Current Reference
Voltage versus Battery Voltage
0.243
0.2425
0.242
VCC = 5 V
RISEL = 60 kW
RSNS = 0.4 W
0.2415
0.241
0.2405
0.24
3.2
3.4 3.6 3.8 4.0
VSNS, BATTERY VOLTAGE (V)
4.2
Figure 6. Full-Charge Current Reference Voltage
versus Battery Voltage
0.2415
0.241
0.2405
0.24
VSNS = 3.6 V
RISEL = 60 kW
RSNS = 0.4 W
0.2395
0.239
0.2385
4.5 5 5.5 6 6.5
VCC, INPUT SUPPLY VOLTAGE (V)
Figure 7. Full-Charge Current Reference
Voltage versus Input Supply Voltage
7
24.5
24.4
24.3
RISEL = 60 kW
RSNS = 0.4 W
24.2
24.1
24
23.9
23.8
4.5 5 5.5 6 6.5 7
VCC, INPUT SUPPLY VOLTAGE (V)
Figure 8. End of Charge Reference Voltage
versus Input Supply Voltage
http://onsemi.com
5
5 Page 
Vin = 5.2 V
NCP1800
NTHD4P02FT1
RSNS
2.0
OUT VCC CFLG VSNS
NCP1800
120 mA
Cin
10 n
GND
COMP/
ISNS ISEL DIS GND
RISEL
60 k
RCOMP
15
CCOMP
560 n
Li-ion
Cout
10 m
Figure 17. Typical Application Circuit for Lower Capacity Batteries (120 mAh shown here)
Vin = 5.2 V
NTGS3441T1 & MBRM130L
-OR-
NTHD4P02FT1
RSNS
0.4
OUT VCC CFLG VSNS
600 mA
Cin
10 n
GND
NCP1800
COMP/
ISNS ISEL DIS GND
Li-ion
RISEL
60 k
RCOMP
15
CCOMP
560 n
Cout
10 m
Figure 18. Typical Application Circuit for Higher Capacity Batteries (600 mAh shown here)
http://onsemi.com
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet NCP1800DM42.PDF ] | |
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