ISL6292D General Description
The ISL6292D is an integrated single-cell Li-ion or Li-polymer battery charger capable of operating with an input voltage as low as 2.4V. This charger is designed to work with various types of ac adapters or a USB port.
ISL6292D Maximum Ratings
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . .. . . . . -0.3 to 7V
Output Pin Voltage (VBAT) . . . . . . . . . . . . . . . . . . .. . . . -0.3 to 5.5V
Signal Input Voltage (TOEN, TIME, IREF, IMIN) . . . . .... . -0.3 to 3.2V
Output Pin Voltage (STAT1, STAT2) . . . . . . . . . . . . . .. . . . -0.3 to 7V
Charge Current (For 4x4 QFN Package) . . . . . . . . . . ... . . . . . . 2.1A
ESD Rating
Human Body Model (Per MIL-STD-883 Method 3015.7) ...... . .1500V
Machine Model (Per EIAJ ED-4701 Method C-111). . . . . . ...... .150V
ISL6292D Features
• Complete Charger for Single-Cell Li-ion Batteries
• Integrated Pass Element and Current Sensor
• No External Blocking Diode Required
• Very Low Thermal Dissipation
• Two-Speed Blinking Indication at Fault Conditions
• 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
• 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
ISL6292D Typical Application
• 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
ISL6292D Connection Diagram
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