SC804A中文资料Fully Integrated 4.4V Lithium-Ion Battery Charger System with Timer数据手册Semtech规格书

描述 Description

Obsolete - this device is no longer available. 

特性 Features

• Fully integrated charger with FET pass transistor, reverse-blocking diode, sense resistor, timer, and thermal protection
• Battery voltage controlled to 1% accuracy
• Programmable precharge, fastcharge & termination current over wide range, with analog current control reference input for design flexibility
• Up to 1.5A continuous charge current
• Input voltage range from 3V to 14V
• Soft-start reduces start-of-charge adapter load transients
• NTC thermistor sense input and adjustable cold temperature threshold
• Adjustable 2 - 6 hour programmable charge timer
• 0.1μA battery drain current in shutdown and monitor modes
• Over-current protection in all modes
• Over-voltage protection
• Remote Kelvin sensing at the battery terminals
• Status indicators for charger-present, charger-active, over-voltage fault, and error notification
• Small 4mm x 4mm 16 lead MLPQ package

应用 Application

·Cellular phones

·PDAs

·Handheld meters

·Charging stations

·Handheld computers

·Digital Cameras

·Programmable current source