SC804A - Semtech

SC804A Fully Integrated 4.4V Lithium-Ion Battery Charger System

The SC804A is a fully integrated full-feature, single cell constant-current/constant-voltage (CC/CV) 4.4V LithiumIon battery charger. With an integrated timer and complete charge control algorithm, the SC804A is ideal for stand-alone charger applications. The SC804A contains programmable pre-charge, fast-charge and termination current settings. The SC804A ca.

Features

Fully integrated charger with FET pass transistor, reverse-blocking diode, sense resistor, timer, and thermal protection Battery voltage controlled to 1% accuracy Programmable precharge, fastcharge & termination current over wide range, with analog current control reference input for design flexibility Up to 1.5A continuous charge current Input voltage range from 3V to 14V Soft-start reduces start-of-charge adapter load transients NTC thermistor sense input and adjustable cold temperature threshold Adjustable 2 - 6 hour programmable charge timer 0.1μA battery drain current in shutdown and monit.