MAX1679 - Maxim

MAX1679 Single-Cell Li Battery Charger for Current-Limited Supply

Features o Simple Stand-Alone Application Circuit o Lowest Power Dissipation o 8-Pin µMAX Package Saves Space o No Inductor Required o 0.75% Overall System Accuracy o Continuous Voltage and Temperature Protection o Safely Precharges Near-Dead Cells o Programmable Safety Timeout o Top-Off Charging to Achieve Full Battery Capacity o Automatic Power-Down when P.

Features

o Simple Stand-Alone Application Circuit o Lowest Power Dissipation o 8-Pin µMAX Package Saves Space o No Inductor Required o 0.75% Overall System Accuracy o Continuous Voltage and Temperature Protection o Safely Precharges Near-Dead Cells o Programmable Safety Timeout o Top-Off Charging to Achieve Full Battery Capacity o Automatic Power-Down when Power Source is Removed MAX1679 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 f.