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LTC4069 Datasheet Standalone 750mA Li-Ion Battery Charger

Manufacturer: Linear Technology (now Analog Devices)

General Description

n Complete Linear Charger in 2mm × 2mm DFN Package n C/10 Charge Current Detection Output n Timer Charge Termination n Charge Current Programmable Up to 750mA with 5% Accuracy n No External MOSFET, Sense Resistor or Blocking Diode Required n NTC Thermistor Input for Temperature Qualified Charging n Preset 4.2V Float Voltage with 0.6% Accuracy n Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charge Rate Without Risk of Overheating n Charge Current Monitor Output for Gas Gauging n Automatic Recharge n Charges Single-Cell Li-Ion Batteries Directly from USB Port n 20µA Supply Current in Shutdown Mode n Soft-Start Limits Inrush Current n Tiny 6-Lead (2mm × 2mm) DFN Package Applications n Wireless PDAs n Cellular Phones n Portable Electronics L, LT, LTC LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

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Overview

LTC4069.

Key Features

  • Standalone 750mA Li-Ion Battery Charger in 2 × 2 DFN with NTC Thermistor Input.