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Li-ion/Li Polymer Battery Charger

The ISL6292B uses Intersil’s patent-pending dual-mode charge technology to minimize the heat in a linear charger. The ISL6292B is a modification of the original ISL6292 and is optimized for cellular phone travel charger applications. The low-heat generation feature of the dual-mode charger enables the charger IC to be placed inside the connector of the travel charger to completely remove the influence of the adapter cable on the charging performance.

Features

? Complete Charger for Single-Cell Li-ion Batteries

? Integrated Pass Element and Current Sensor

? No External Blocking Diode Required

? Very Low Thermal Dual-Mode Operation

? 1 Voltage Accuracy with Remote Sense

? Programmable Current Limit up to 1.5A

? Programmable End-of-Charge Current

? Programmable Safety Timer

? Drives a Tri-Color LED

? Charge Current Thermal Foldback

? NTC Thermistor Interface for Battery Temperature Monitor

? Two-Level Ambient Temperature Setting

? Guaranteed to Operate at 2.65V After Start-Up

? Ambient Temperature Range: -20°C to 70°C

? Thermally-Enhanced QFN Packages

? QFN Package:

- Compliant to JEDEC PUB95 MO-220

QFN - Quad Flat No Leads - Package Outline

- Near Chip Scale Package footprint, which improves

PCB efficiency and has a thinner profile

? Pb-Free Available (RoHS Compliant)

Applications

? Handheld Devices including Medical Handhelds

? PDAs, Cell Phones and Smart Phones

? Portable Instruments, MP3 Players

? Self-Charging Battery Packs

? Stand-Alone Chargers

? USB Bus-Powered Chargers