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  • XR4059(降压充电IC)

XR4059(降压充电IC)

产品品牌:迅瑞

产品型号:XR4059

产品封装:SOT23-6

产品特性:输入电压:4.5V~5.5V;2.5A同步降压锂离子电池充电

应用范围:便携式媒体播放器 移动电话 掌上电脑

产品价格:欢迎咨询0755-86003350

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一、General Description

The XR4059 is a 2.5A Li-ion battery charger. It utilizes a 600KHz synchronous buck converter topology to reduce power dissipation during charging. Low power dissipation and internal MOSFET allow a physically small charger that can be embedded in a wide range of handheld applications. The XR4059 includes complete charge termination circuitry, automatic recharge and ±1% 4.2V float voltage.
Additional features include shorted cell detection; temperature qualified charging and overvoltage protection. The XR4059 is available in a low profile SOT23-6 package.  
二、Features
 Input voltage range 4.5V~5.5V
 Dynamic input current allocation for maximum charging rate
 2.5A Maximum Charge Current
 No External MOSFETs and Blocking Diode Required
 Efficiency up to 90%
 Constant-Current/Constant-Voltage Charger
 Over Current Protection
 Consumption Available in SOT23-6
 RoHS Compliant and 100% Lead (Pb)-Free 
三、Applications
 Portable Media Players
 Cellular and Smart mobile phone
 PDA/DSC
 Handheld Battery-Powered Devices
 Handheld Computers
 Charging Docks and Cradles 
相关标签:充电IC,XR4059(降压充电IC),
来源:http://www.szxunrui.cn/product579376.html
时间:2020-06-23 17:01:09

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