LP28303A Datasheet | Lowpowersemi

Description 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 plete 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 ponents. 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. Order Information F: Pb-Free Package Type SP: ESOP-8 QV: TDFN-10 Applications - Portable Media Players - Cellular and Smart mobile phone - PDA/DSC - Handheld Battery-Powered Devices - Handheld puters - 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 - Ro HS pliant and 100% Lead (Pb)-Free Typical Application Circuit CIN 22u F R1 2KΩ R2 2KΩ R3 10KΩ R4 10KΩ LED1 LED2 8 VIN SW 6 1 CHRG CS 5 2 FULL BAT 4 3 NTC AGND...