Description
The ISL6292 is an integrated single-cell Li-ion or Li-polymerbattery charger capable of operating with an input voltage aslow as 2.4V. This charger is designed to work with varioustypes of AC adapters or a USB port. The ISL6292 operates as a linear charger when the ACadapter is a voltage source. The battery is charged in aCC/CV (constant current/constant voltage) profile. Thecharge current is programmable with an external resistor upto 2A. The ISL6292 can also work with a current-limitedadapter to minimize the thermal dissipation, in which case,the ISL6292 combines the benefits of both a linear chargerand a pulse charger. The ISL6292 features charge current thermal foldback toguarantee safe operation when the printed circuit board isspace limited for thermal dissipation. Additional featuresinclude preconditioning of an over-discharged battery, anNTC thermistor interface for charging the battery in a safetemperature range, automatic recharge, and thermallyenhanced QFN or DFN packages.
- Complete Charger for Single-Cell Li-ion Batteries
- Very Low Thermal Dissipation
- Integrated Pass Element and Current Sensor
- No External Blocking Diode Required
- 1% Voltage Accuracy
- Programmable Current Limit up to 2A
- Programmable End-of-Charge Current
- Charge Current Thermal Foldback
- NTC Thermistor Interface for Battery Temperature Monitor
- Accepts Multiple Types of Adapters or USB BUS Power
- Guaranteed to Operate at 2.65V After Start-Up
- Ambient Temperature Range: -20°C to +70°C
- Thermally-Enhanced QFN Packages
- 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
- Pb-Free Available (RoHS Compliant)
