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NE57600 Datasheet(PDF) 2 Page - NXP Semiconductors |
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NE57600 Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 12 page Philips Semiconductors Product data NE57600 One-cell Lithium-ion battery protection with over/undercharge and overcurrent protection 2 2001 Oct 03 853-2294 27198 GENERAL DESCRIPTION The NE57600 series is a family of small, high-precision lithium-ion battery protection devices that provide protection against the damaging effects of overcharging, overdischarging, short circuit, and excessive current consumption such as happens if the consumer uses the battery for an apparatus it was not meant to power. The NE57600 is a single-cell Li-ion protection IC. The NE57600 over and under voltage accuracy is trimmed to within ±25 mV (5%) and is available to match the requirements of all lithium-ion cells manufactured in the market today. FEATURES • Trimmed overvoltage trip point to within ±25 mV • Programmable overvoltage trip time delay • Trimmed undervoltage trip point to within ±25 mV • Very Low undervoltage sleep quiescent current 0.05 mA • Discharge overcurrent cutoff • Low operating current (10 mA) • Very small SOT-26A package APPLICATIONS • Protecting one-cell Li-ion battery packs for mobile phones or palmtop devices SIMPLIFIED SYSTEM DIAGRAM SL01548 6 54 3 2 1 VM CF GND DF V+ V– NE57600 DISCHARGE FET CHARGE FET CDLY VCC Li-ION CELL CHARGER OR LOADER – + Figure 1. Simplified system diagram. |
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