bq24006

www.ti.com bq24004 bq24005 bq24006 SLUS476F – DECEMBER 2000 – REVISED MAY 2012 TWO-CELL Li-ION CHARGE MANAGEMENT IC FOR PDAs AND INTERNET APPLIANCES Check for Samples: bq24004, bq24005, bq24006 FEATURES 1 2 Highly Integrated Solution With FET Pass Transistor and Reverse-Blocking Schottky and Thermal Protection Integrated Voltage and Current Regulation With Programmable Charge Current High-Accuracy Voltage Regulation (±1%) Ideal for Low-Dropout Linear Charger Designs for Two-Cell Li-Ion Packs With Coke or Graphite Anodes Up to 1.2-A Continuous Charge Current Safety-Charge Timer During Preconditioning and Fast Charge Integrated Cell Conditioning for Reviving Deeply Discharged Cells and Minimizing Heat Dissipation During Initial Stage of Charge Optional Temperature or Input-Power Monitoring Before and During Charge Various Charge-Status Output Options for Driving Single, Double, or Bicolor LEDs or Host-Processor Interface Charge Termination by Minimum Current and Time Low-Power Sleep Mode Packaging: 20-Lead TSSOP PowerPAD™ APPLICATIONS PDAs Internet Appliances MP3 Players Digital Cameras DESCRIPTION The bq2400x series ICs are advanced Li-Ion linear charge management devices for highly integrated and space-limited applications. They combine highaccuracy current and voltage regulation; FET passtransistor and reverse-blocking Schottky; battery conditioning, temperature, or input-power monitoring; charge termination; charge-status indication; and c...