LTC4054L数据手册集成电路（IC）的电池充电器规格书PDF

描述 Description

DESCRIPTION
The LTC® 4054L is a complete, constant-current/constant voltage linear charger for single cell lithium-ion batteries. Its small size and ability to regulate low charge currents make the LTC4054L especially well-suited for portable applications using low capacity rechargeable lithium-ion coin cells. Furthermore, the LTC4054L is specifically designed to work within USB power specifications.FEATURES
■ Programmable Charge Current Range: 10mA to 150mA
■ No External MOSFET, Sense Resistor or Blocking Diode Required
■ Complete Linear Charger in ThinSOT™ Package for Single Cell/Coin Cell Lithium-Ion Batteries
■ Constant-Current/Constant-Voltage Operation with Thermal Regulation* to Maximize Charge Rate Without Risk of Overheating
■ Charges Single Cell Li-Ion Batteries Directly from USB Port
■ Preset 4.2V Charge Voltage with ±1% Accuracy
■ Charge Current Monitor Output for Gas Gauging*
■ Automatic Recharge
■ Charge Status Output Pin
■ C/10 Charge Termination
■ 25µA Max Supply Current in Shutdown Mode
■ 2.9V Trickle Charge Threshold
■ Soft-Start Limits Inrush Current
■ Available in a 6-Lead Low Profile (1mm) SOT-23 PackageAPPLICATION
■ Charger for Li-Ion Coin Cell Batteries
■ Portable MP3 Players, Wireless Headsets
■ Bluetooth

特性 Features

■ Programmable Charge Current Range: 10mA to 150mA
■ No External MOSFET, Sense Resistor or Blocking Diode Required
■ Complete Linear Charger in ThinSOT™ Package for Single Cell/Coin Cell Lithium-Ion Batteries
■ Constant-Current/Constant-Voltage Operation with Thermal Regulation* to Maximize Charge Rate Without Risk of Overheating
■ Charges Single Cell Li-Ion Batteries Directly from USB Port
■ Preset 4.2V Charge Voltage with ±1% Accuracy
■ Charge Current Monitor Output for Gas Gauging*
■ Automatic Recharge
■ Charge Status Output Pin
■ C/10 Charge Termination
■ 25µA Max Supply Current in Shutdown Mode
■ 2.9V Trickle Charge Threshold
■ Soft-Start Limits Inrush Current
■ Available in a 6-Lead Low Profile (1mm) SOT-23 PackageAPPLICATION
■ Charger for Li-Ion Coin Cell Batteries
■ Portable MP3 Players, Wireless Headsets
■ Bluetooth Applications
■ Multifunction Wristwatches

简介

LTC4054L属于集成电路（IC）的电池充电器。由制造生产的LTC4054L电池充电器电池充电器 PMIC（电源管理集成电路）是元器件级产品系列，用于在电子设备中实现电池充电控制和充电管理功能。这些器件主要根据电池化学及其设计用于的电池数量来分类，可提供电化学电池和超级电容器安全充电所必需的电流或电压调节和监视功能。