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LTC4053-4.2 - USB Compatible Lithium Ion Battery Charger

Key Features

  • Charges Single-Cell Li-Ion Batteries Directly from USB Port.
  • Thermal Regulation Maximizes Charge Rate without Risk of Overheating.
  • Programmable Charge Current with ±7% Accuracy.
  • Low Dropout Operation.
  • No External MOSFET, Sense Resistor or Blocking Diode Required.
  • Programmable Charge Termination Timer.
  • Preset Charge Voltage with ±1% Accuracy.
  • C/10 Charge Current Detection Output.
  • AC Present Logic Output.
  • 25µA Supply Current in Shutdown Mode.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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U U LTC4053-4.2 USB Compatible Lithium-Ion Battery Charger with Thermal Regulation FEATURES ■ Charges Single-Cell Li-Ion Batteries Directly from USB Port ■ Thermal Regulation Maximizes Charge Rate without Risk of Overheating* ■ Programmable Charge Current with ±7% Accuracy ■ Low Dropout Operation ■ No External MOSFET, Sense Resistor or Blocking Diode Required ■ Programmable Charge Termination Timer ■ Preset Charge Voltage with ±1% Accuracy ■ C/10 Charge Current Detection Output ■ AC Present Logic Output ■ 25µA Supply Current in Shutdown Mode ■ Automatic Recharge ■ Charge Current Monitor Useful for Gas Gauging ■ Thermistor Input for Temperature Qualified Charging ■ Available in 10-pin thermally enhanced MSOP and low profile (0.