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NJW4100 Datasheet(PDF) 2 Page - New Japan Radio

Part # NJW4100
Description  Lithium-ion Battery Charger Controller IC with Timer
PDF  19 Pages
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Manufacturer  NJRC [New Japan Radio]
Direct Link  http://www.jrc.co.jp/eng/index.html
Logo NJRC - New Japan Radio

NJW4100 Datasheet(HTML) 2 Page - New Japan Radio

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NJW4100
- 2 -
Ver.2005-01-20
■ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
SYMBOL
MAXIMUM RATINGS
UNIT
Operating Voltage
V+
+15
V
C1 Pin Voltage
VC1
+5
V
C2 Pin Voltage
VC2
+5
V
TDET Pin Voltage
VTDET
+5
V
CNT Pin Output Current
ISINK-CNT
50
mA
LED-G Pin Output Current
ISINK-G
20
mA
LED-R Pin Output Current
ISINK-R
20
mA
Power Dissipation
PD
DMP20
:300
SSOP20 :300
mW
Operating Temperature Range
TOPR
-20 ~ +85
°C
Storage Temperature Range
TSTG
-40 ~ +125
°C
■ELECTRICAL CHARACTERISTICS (V+=5V, Ta=25
°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
General Characteristics
Operating Voltage
VOP
–
–
14
V
Operating Current
ICC
CHG-SW: OPEN
–
2
3
mA
Under Voltage Lockout Block
ON Threshold Voltage
VT-ON
2.2
2.4
2.6
V
OFF Threshold Voltage
VT-OFF
2.0
2.2
2.4
V
Hysteresis Voltage
VHYS
100
200
300
mV
Reference Voltage Block
Reference Voltage
VREF
IREF=0mA
1.228
1.24
1.253
V
Load Regulation
∆VREF
IREF=0mA~1mA
–
–
10
mV
Voltage Detection Block
Quick Charge Detection Voltage
VQ-CHG VS: L→H
VBAT
x 0.71
VBAT
x 0.73
VBAT
x 0.75
V
Re-Charge Detection Voltage
VR-CHG VS: H→L
VBAT
x 0.94
VBAT
x 0.95
VBAT
x 0.96
V
Over Voltage Detection Voltage
VOV
VS: L→H
VBAT
x 1.015
VBAT
x 1.025
VBAT
x 1.035
V
Charge Control Block
Reference Voltage
VREF-CV VS Pin
4.17
4.2
4.23
V
VS Pin Input Bias Current
IVS
VS=4.2V
–
50
500
nA
Battery Connected
Detection Voltage
VT-TDET TDET Pin
–
1.15
–
V
Low Voltage Detection (2mA Charge) Block
Charge Current
ICHG1
VS=1V
1
2
3
mA
Low Voltage Detection Voltage
VLV
VS: L→H
VBAT
x 0.455
VBAT
x 0.475
VBAT
x 0.495
V



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