Datasheet > HM5083

HM5083

更新时间： 2024-11-06 02:52:31

品牌	Logo	应用领域
华之美 - HMSEMI		/
页数	文件大小	规格书
9页	1334K
描述
3A Synchronous Buck 3 Cells Li-ion Charger

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HM5083 数据手册

HM5083

3A Synchronous Buck 3 Cells Li-ion Charger

DESCRIPTION

The HM5083 is a 3A 3 Cells Li-Ion battery charger. It utilizes a 500 KHz 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. The HM5083 includes complete

charge termination circuitry, automatic recharge and a ±1% 12.6V float voltage.

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 HM5083 is available in a

ESOP8 and DFN10 package

FEATURES



Input voltage range 4V~22V

Dynamic input current allocation for maximum charging rate

3A Maximum Charge Current

No External MOSFETs and Blocking Diode Required

Efficiency up to 95%

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 and DFN10

RoHS Compliant and 100% Lead (Pb)-Free

APPLICATIONS

Portable Media Players

Cellular and Smart mobile phone

PDA/DSC

Handheld Battery-Powered Devices

Handheld Computers

Charging Docks and Cradles

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