General Description

The MAX1679 battery charger for a single lithium-ion (Li+) cell comes in a space-saving 8-pin µMAX package. This simple device, in conjunction with a current-limited wall cube and a PMOS transistor, allows safe and fast charging of a single Li+ cell.

Features

♦ Simple Stand-Alone Application Circuit

♦ Lowest Power Dissipation

♦ 8-Pin µMAX Package Saves Space

♦ No Inductor Required

♦ 0.75 Overall System Accuracy

♦ Continuous Voltage and Temperature Protection

♦ Safely Precharges Near-Dead Cells

♦ Programmable Safety Timeout

♦ Top-Off Charging to Achieve Full Battery Capacity

♦ Automatic Power-Down when Power Source is Removed

Applications

Single-Cell Li+ Portable Applications

Self-Charging Battery Packs

PDAs

Cell Phones

Cradle Chargers