bq24630

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq24630 SLUS894B – JANUARY 2010 – REVISED JULY 2015 bq24630 Standalone Synchronous Switched-Mode Lithium Phosphate Battery Charger With System Power Selector and Low Iq 1 Features 2 Applications 1 300-kHz NMOS-NMOS Synchronous Buck Converter Stand-Alone Charger Specifically for Lithium Phosphate 5-V–28-V VCC Input Operating Range, Supports 1–7 Battery Cells High-Accuracy Voltage and Current Regulation – ±0.5% Charge Voltage Accuracy – ±3% Charge Current Accuracy – ±3% Adapter Current Accuracy Integration – Automatic System Power Selection From Adapter or Battery – Internal Loop Compensation – Internal Soft Start – Dynamic Power Management (DPM) Safety Protection – Input Overvoltage Protection – Battery Thermistor Sense Suspend Charge at Hot/Cold and Automatically ICHARGE/8 at Hot/Cold or Warm/Cool – Battery Detection – Reverse Protection Input FET – Programmable Safety Timer – Charge Overcurrent Protection – Battery Short Protection – Battery Overvoltage Protection – Thermal Shutdown Status Outputs – Adapter Present – Charger Operation Status Charge Enable Pin 6-V Gate Drive for Synchronous Buck Converter 30-ns Driver Dead Time and 99.95% Max. Effective Duty Cycle 24-Pin 4-mm × 4-mm QFN Package Energy Star Low Quiescent Current Iq – < 15-μA Off-State Battery Discharge Current – < 1.5-mA Off-State Input Quiescent Current Power Tool and Portable Equipment Per...