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LTC4050 - 典型应用图例：
LTC4050典型应用图例一
LTC4050典型应用图例二
LTC4050 - 封装图解：
LTC4050封装图解一
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LINEAR产品 - LTC4050介绍

LTC4050 - LTC4050是Lithium-Ion Linear Battery Charger Controller with Thermistor Interface

LTC4050是LINEAR凌力尔特公司的一款线性充电器产品，LTC4050是LTC4050是Lithium-Ion Linear Battery Charger Controller with Thermistor Interface，本站介绍了LTC4050的封装应用图解、特点和优点、功能等，并给出了与LTC4050相关的LINEAR元器件型号供参考。

LTC4050 - LTC4050是Lithium-Ion Linear Battery Charger Controller with Thermistor Interface - 线性充电器 - 电源管理 - 凌力尔特

LTC4050 - Lithium-Ion Linear Battery Charger Controller with Thermistor Interface

LTC4050 - Lithium-Ion Linear Battery Charger Controller with Thermistor Interface - Linear Technology（凌力尔特）

功能描述

The LTC4050-4.1/LTC4050-4.2 are complete standalone constant-current/constant-voltage linear charge controllers for lithium-ion (Li-Ion) batteries. Charge current is programmable and final float voltage has ±1% accuracy.

When the input supply is removed, the LTC4050 automatically enters a low quiescent current sleep mode, dropping the battery drain current to 5µA. An internal comparator detects the near-end-of-charge (C/10) condition while a programmable timer, using an external capacitor, sets the total charge time. Fully discharged cells are automatically trickle charged at 10% of the programmed current until cell voltage exceeds 2.49V. The thermistor interface suspends charging if the cell temperature is outside of a 0°C to 50°C temperature window.

The LTC4050 begins a new charge cycle when a discharged battery is connected to the charger or when the input power is applied. In addition, a new charge cycle is automatically started if the battery remains connected to the charger and the cell voltage drops below 3.88V for 4.1V cells or below 3.98V for 4.2V cells.

The LTC4050 is available in the 10-pin MSOP package.

特点
  • Complete Stand-Alone Linear Charger Controller for 1-Cell Lithium-Ion Batteries
  • Thermistor Interface for Battery Temperature Sensing
  • Preset Charge Voltage with ±1% Accuracy
  • Programmable Charge Current
  • C/10 Charge Current Detection Output
  • Programmable Charge Termination Timer
  • Input Supply (Wall Adapter) Detection Output
  • 4.5V to 10V Input Voltage Range
  • Automatic Sleep Mode When Input Supply is Removed (Only 5µA Battery Drain)
  • Automatic Trickle Charging of Low Voltage Cells
  • Automatic Battery Recharge
  • Battery Insertion Detection
  • Space Saving 10-Pin MSOP Package
    • 应用
  • Cellular Phones
  • Handheld Computers
  • Charging Docks and Cradles
    • 以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）
    器件型号 封装 温度 价格 (以 1 ~ 99 片为批量) 价格 (以 1000 片为批量)
    LTC4050EMS-4.1 MS-10 E $2.66 $2.25
    LTC4050EMS-4.1#PBF MS-10 E $2.66 $2.25
    LTC4050EMS-4.1#TR MS-10 E $2.31
    LTC4050EMS-4.1#TRPBF MS-10 E $2.31
    LTC4050EMS-4.2 MS-10 E $2.66 $2.25
    LTC4050EMS-4.2#PBF MS-10 E $2.66 $2.25
    LTC4050EMS-4.2#TR MS-10 E $2.31
    LTC4050EMS-4.2#TRPBF MS-10 E $2.31
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LTC1731-4.1 - Single Cell Lithium-Ion Linear Battery Charger Controllers
  • LTC4000 - 用于电池充电和电源管理的高电压、大电流控制器
  • LT3652 - 用于太阳能电源的功率跟踪 2A 电池充电器
  • LTC4054-4.2 - 采用 ThinSOT 封装并具有热调节功能的独立线性锂离子电池充电器
  • LT1513 - SEPIC 恒定或可编程电流 / 恒定电压电池充电器
  • LTC4002 - 独立型锂离子开关模式电池充电器
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LTM8061 - 32V、2A μModule 锂离子 / 锂聚合物电池充电器
  • LT1512 - SEPIC 恒定电流 / 恒定电压电池充电器
  • LTM8062 / LTM8062A - 32VIN、2A μModule 功率跟踪电池充电器
    • 下面可能是您感兴趣的凌力尔特公司线性充电器元器件
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