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bq24001 bq24002 bq24003
SLUS462E − SEPTEMBER 2000 − REVISED NOVEMBER 2004
SINGLEĆCELL LiĆION CHARGE MANAGEM...
www.ti.com
bq24001 bq24002 bq24003
SLUS462E − SEPTEMBER 2000 − REVISED NOVEMBER 2004
SINGLEĆCELL LiĆION CHARGE MANAGEMENT IC FOR PDAs AND INTERNET APPLIANCES
FEATURES
D Highly Integrated Solution With FET Pass
Transistor and Reverse-Blocking
Schottky and Thermal Protection
D Integrated Voltage and Current Regulation
With Programmable Charge Current
D High-Accuracy Voltage Regulation (±1%) D Ideal for Low-Dropout Linear Charger
Designs for Single-Cell Li-Ion Packs With Coke or Graphite Anodes
D Up to 1.2-A Continuous Charge Current D Safety-Charge Timer During Preconditioning
and Fast Charge
D Integrated Cell Conditioning for Reviving
Deeply Discharged Cells and Minimizing Heat Dissipation During Initial Stage of Charge
D Optional Temperature or Input-Power
Monitoring Before and During Charge
D Various Charge-Status Output Options for
Driving Single, Double, or Bicolor LEDs or Host-Processor Interface
D Charge Termination by Minimum Current and
Time
D Low-Power Sleep Mode D Packaging: 5 mm × 5 mm MLP or 20-Lead
TSSOP PowerPAD
APPLICATIONS
D PDAs D Internet Appliances D MP3 Players D 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 pass
transistor and reverse-blocking
Schottky; battery conditioning, temperature, or input-power monitoring; charge termination; charge-status indication; and charge timer in a ...