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LTC4001-1 - 2A Synchronous Buck Li-Ion Charger

General Description

The LTC®4001-1 is a 2A Li-Ion battery charger intended for 5V wall adapters.

It utilizes a 1.5MHz synchronous buck converter topology to reduce power dissipation during charging.

Key Features

  • Low Power Dissipation n 2A Maximum Charge Current n No External MOSFETs, Sense Resistor or Blocking Diode Required n Remote Sensing at Battery Terminals n Programmable Charge Termination Timer n Preset 4.1V Float Voltage with ±0.5% Accuracy www. DataSheet4U. com n 4.1V Float Voltage Improves Battery Life and High Temperature Safety Margin n Programmable Charge Current Detection/ Termination n Automatic Recharge n Thermistor Input for Temperature Qualified Charging n Compatible with Current Limited.

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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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LTC4001-1 2A Synchronous Buck Li-Ion Charger FEATURES Low Power Dissipation n 2A Maximum Charge Current n No External MOSFETs, Sense Resistor or Blocking Diode Required n Remote Sensing at Battery Terminals n Programmable Charge Termination Timer n Preset 4.1V Float Voltage with ±0.5% Accuracy www.DataSheet4U.com n 4.1V Float Voltage Improves Battery Life and High Temperature Safety Margin n Programmable Charge Current Detection/ Termination n Automatic Recharge n Thermistor Input for Temperature Qualified Charging n Compatible with Current Limited Wall Adapters n Low Profile 16-Lead (4mm × 4mm) QFN Package n DESCRIPTION The LTC®4001-1 is a 2A Li-Ion battery charger intended for 5V wall adapters. It utilizes a 1.