BQ24130

bq24130 www.ti.com SLUSAN2C – JULY 2011 – REVISED JUNE 2012 600-kHz Synchronous Switch-Mode Host-Controlled Battery/Supercapacitor Charger With 4-A Integrated MOSFETs Check for Samples: bq24130 FEATURES 1 2 600kHz Synchronous Switch-mode Charger with 4 A Integrated N-MOSFETs Up to 96% Efficiency 30 V Input Rating with 18V Overvoltage Protection – 4.5 V to 17 V Input Operating Range Battery Charge Voltage – 1, 2,or 3-Cell With 4.2V/Cell Constant Current Super Capacitor Charging High Integration – Integrated 20-V Switching MOSFETs – Integrated Bootstrap Diode – Internal Loop Compensation – Internal Digital Soft Start Safety – Thermal Regulation Loop Throttles Back Current to Limit TJ = 120°C – Thermal Shutdown – Battery Thermistor Sense Hot/Cold Charge Suspend – Input Overvoltage Protection – Cycle by Cycle Current Limit Accuracy – ±0.5% Charge Voltage Regulation – ±4% Charge Current Regulation Less than 15 µA Battery Current with Adapter Removed Small QFN Package – 3.5 mm x 4.5 mm QFN-20 pin APPLICATIONS Tablet PC Netbook and Ultra-Mobile Computers Portable Data Capture Terminals Portable Printers Medical Diagnostics Equipment Battery Bay Chargers Back-Up Systems Li-Ion/Li-Polymer Battery and Super Capacitor Applications SW SW PVCC PVCC AVCC STAT TS CMOD VREF AGND bq24130 PGND PGND BTST REGN ISET2 SRP SRN BAT ISET1 CELL DESCRIPTION The bq24130 is an integrated host-controlled Li-ion and Li-polymer switch-mode battery charge contr...