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NJW4108

JRC
Part Number NJW4108
Manufacturer JRC
Description Lithium-ion Battery Charger Controller with Timer / SSOP20
Published Jun 14, 2009
Detailed Description NJW4108 www.DataSheet4U.com Lithium-ion Battery Charger Controller IC with Timer ■GENERAL DESCRIPTION The NJW4108 is a ...
Datasheet PDF File NJW4108 PDF File

NJW4108
NJW4108

Overview
NJW4108 www.
DataSheet4U.
com Lithium-ion Battery Charger Controller IC with Timer ■GENERAL DESCRIPTION The NJW4108 is a Lithium-ion Battery Charger Controller IC with over charger timer.
Charger current and voltage can individually be set by the external resistors.
Therefore, it can be used for a wide range of battery cells for both 1-cell and 2-cell applications.
It includes a lot of safety features for safety conscious design: Over voltage, Over discharge, temperature monitor and over charge timers.
■PACKAGE OUTLINE NJW4108V ■FEATURES ● Adjustable Charge Voltage ● Adjustable Pre-Charge and Full Charge Current ● Temperature Monitor ● Over Charge Timer ● Internal Re-Charge function ● Delay timers and Hysteresis inputs for high noise immunity ● Over Discharge Battery Detect ● Over Voltage Protection ● Bi-CMOS Technology ● Package Outline NJW4108V : SSOP20 ■PIN CONFIGURATION P-CHG NFB CNT GND NC F-CHG LED-G LED-R C1 C2 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 Q-CHG CS1 CS2 VS VREF V + TDET TH TL CHG-SW NJW4108V Ver.
2006-12-09 -1- NJW4108 www.
DataSheet4U.
com ■ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL Operating Voltage V+ C1 Pin Voltage VC1 C2 Pin Voltage VC2 TDET Pin Voltage VTDET CNT Pin Output Current ISINK-CNT LED-G Pin Output Current ISINK-G LED-R Pin Output Current ISINK-R Power Dissipation PD Operating Temperature Range TOPR Storage Temperature Range TSTG MAXIMUM RATINGS +15 +5 +5 +5 50 20 20 SSOP20 :300 -20 ~ +85 -40 ~ +125 UNIT V V V V mA mA mA mW °C °C ■ELECTRICAL CHARACTERISTICS (V+=5V, Ta=25°C) PARAMETER General Characteristics Operating Voltage Operating Current Under Voltage Lockout Block ON Threshold Voltage OFF Threshold Voltage Hysteresis Voltage Reference Voltage Block Reference Voltage Load Regulation Voltage Detection Block Quick Charge Detection Voltage Re-Charge Detection Voltage Over Voltage Detection Voltage Charge Control Block Reference Voltage VS Pin Input Bias Current Battery Connected Detection Voltage VQ-CHG...


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