www.ti.com
bq24007 bq24008
SLUS479D − JANUARY 2001 − REVISED NOVEMBER 2004
SINGLEĆCELL LiĆION CHARGE MANAGEMENT IC WIT...
www.ti.com
bq24007 bq24008
SLUS479D − JANUARY 2001 − REVISED NOVEMBER 2004
SINGLEĆCELL LiĆION CHARGE MANAGEMENT IC WITH TIMERĆENABLE FOR PDAs AND INTERNET APPLIANCES
FEATURES
D Highly Integrated Solution With FET Pass
Transistor and Reverse-Blocking
Schottky and Thermal Protection
D Timer-Enable Function That Allows Host to
Disable Charge Timer and Termination When Charge Current Is Shared With a Load or When Battery Is Absent
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 (bq24007)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 passtransi...