The LP28303A 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 LP28303A includes complete charge termination circuitry, automatic recharge and ±1% 4.2V 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 LP28303A is available in a low profile ESOP8&TDFN-10 and package.

Applications
 

 Portable Media Players

 Cellular and Smart mobile phone

 PDA/DSC

 Handheld Battery-Powered Devices

 Handheld Computers

 Charging Docks and Cradles

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 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 3*3mm

 RoHS Compliant and 100% Lead (Pb)-Free