NJW4100

NJW4100 Lithium-ion Battery Charger Controller IC with Timer ■GENERAL DESCRIPTION The NJW4100 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 www.DataSheet4U.com design: Over voltage, Over discharge, temperature monitor and over charge timers. ■PACKAGE OUTLINE NJW4100M NJW4100V ■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 NJW4100M : DMP20 NJW4100V : 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 NJW4100M NJW4100V Ver.2005-01-20 -1- NJW4100 ■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 www.DataSheet4U.com PD TOPR TSTG Operating Temperature Range Storage Temperature Range MAXIMUM RATINGS +15 +5 +5 +5 50 20 20 DMP20 :300 SSO...