Features:
■ Programmable Charge Current Up to 800mA
■ No MOSFET, Sense Resistor or Blocking
Diode Required
■ Complete Linear Charger in ThinSOTTM Package for
Single Cell Lithium-Ion Batteries
■ Constant-Current/Constant-Voltage Operation with
Thermal Regulation* to Maximize Charge Rate
Without Risk of Overheating
■ Charges Single Cell Li-Ion Batteries Directly
from USB Port
■ Preset 4.2V Charge Voltage with ±1% Accuracy
■ Charge Current Monitor Output for Gas
Gauging*
■ Automatic Recharge
■ Charge Status Output Pin
■ C/10 Charge Termination
■ 25µA Supply Current in Shutdown
■ 2.9V Trickle Charge Threshold (LTC4054)
■ Available Without Trickle Charge (LTC4054X)
■ Soft-Start Limits Inrush Current
■ Available in 5-Lead SOT-23 Package
■ Cellular Telephones, PDAs, MP3 Players
■ Charging Docks and Cradles
■ Bluetooth Applications
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