LTC4054-LTH7-SOT23 Lithium battery charger from USB port IC

LTC4054-LTH7-SOT23 Lithium battery charger from USB port IC

The LTC4054-LTH7-SOT23 Lithium battery charger from USB port is a complete constant-current/constant voltage linear charger for single cell lithium-ion batteries. Its Thin SOT package and low external component count make the LTC4054 ideally suited for portable applications. Further more, the LTC4054 is specifically designed to work within USB power specifications. The LTC4054 automatically terminates the charge cycle when the charge current drops to 1/10th the programmed value after the final float voltage is reached.

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• Programmable Charge Current Up to 800mA
  

• No MOSFET, Sense Resistor or Blocking Diode Required
  

• Complete Linear Charger in Thin SOTTM 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
  

Applications of LTC4054-LTH7-SOT23 Lithium battery charger from USB port IC

• Cellular Telephones, PDAs, MP3 Players
  

• Charging Docks and Cradles
  

• Bluetooth Applications
  

Package Includes

• 1 x LTC4054-LTH7-SOT23 Lithium battery charger from USB port IC