AAT3683IOQ-4.2-2-T1中文資料研諾科技數(shù)據(jù)手冊PDF規(guī)格書

General Description

The AAT3683 BatteryManager is a highly integrated single-cell lithium-ion / polymer (Li-Ion) battery charger that operates from a USB port or an AC adapter input up to an input voltage of 7.5V.

The AAT3683 precisely regulates battery charge voltage and current for 4.2V Li-Ion battery cells. The battery charging current can be set by an external resistor up to 1A.

Features

? USB or AC Adapter Input

? Programmable from 100mA to 1A

? 4.0V to 7.5V Input Voltage Range

? High Level of Integration with Internal:

? Charging Device

? Reverse Blocking Diode

? Current Sensing

? Digital Thermal Regulation

? Charge Current Programming (ISET)

? Charge Termination Current Programming (TERM)

? Charge Timer (CT)

? Battery Temperature Sensing (TS)

? TS Pin Open Detection

? Automatic Recharge Sequencing

? Automatic Trickle Charge for Battery Pre-Conditioning (no trickle charge option available)

? Full Battery Charge Auto Turn-Off / Sleep Mode / Charge Termination

? 1μA Max. Shutdown Current

? Over-Voltage and Over-Current Protection

? Emergency Thermal Protection

? Power On Reset and Soft Start

? 2.2x2.2mm STDFN-10 (AAT3863-2 and -3) and QFN33-16 (AAT3683-4) Packages

Applications

? Bluetooth Headsets, Headphones, Accessories

? Cellular Phones

? Digital Still Cameras

? MP3, Portable Music, and Portable Media Players

? Personal Data Assistants (PDAs) and Handheld Computers

? Other Li-Ion Battery-Powered Devices