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概述
The LP28300 is a 2A Li-Ion battery charger. It utilizes a 500KHz synchronous buck converter topology to reduce power dissipation during charging. Low power dissipation, an internal MOSFET allow a physically small charger that can be embedded in a wide range of handheld applications. includes complete charge termination circuitry, automatic recharge. Battery charge current, charge timeout and end-of-charge indication parameters are set with external components. Additional features include shorted cell detection; temperature qualified charging and overvoltage protection. The LP28300 is available in a low profile ESOP8/TDFN-10 3*3mm and package.
应用
◆ Portable Media Players
◆ Cellular and Smart mobile phone
◆ PDA/DSC
◆ Handheld Battery-Powered Devices
◆ Handheld Computers
◆ Charging Docks and Cradles
数据参数
数据参数
最大充电电流(mA)
2000
工作电压(V)
4.5~24
过压保护(V)
18
电池电压(V)
4.2/4.35
温度检测
Y
使能控制
-
充电状态指示
Y
充满状态指示
-
电池节数
1
产品特征/功能
High Vin voltage,Large current,Temp monitoring
封装
ESOP-8/DFN-10(3*3)
特征
特征
◆ Input voltage range 4.5V~18V
◆ Dynamic input current allocation for maximum charging rate
◆ 2.0A Maximum Charge Current
◆ No External MOSFETs and Blocking Diode Required
◆ Efficiency up to 90%
◆ Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating
◆ Optional Battery Temperature Monitoring Before and During Charge Automatic Sleep Mode for Low-Power
◆ Over Current Protection
◆ Consumption Available in ESOP8/TDFN-10
◆ RoHS Compliant and 100% Lead (Pb)-Free
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