Linear Technology LTC4065EDC - A Compact, Standalone Linear Li-Ion Battery Charger

The LTC4065EDC from Linear Technology is a highly integrated, standalone linear battery charger specifically designed for single-cell lithium-ion batteries. Its small package and low external component count make it an ideal choice for portable applications where space is at a premium. With its advanced features and efficient charging capabilities, the LTC4065EDC ensures safe and reliable charging for your battery-powered devices.

Key Features

• Compact Design: The LTC4065EDC comes in a tiny 6-pin DFN package, measuring just 2mm x 2mm, which is perfect for space-constrained applications.
• Adjustable Charge Current: The device allows for programmable charge current up to 950mA through a single external resistor, providing flexibility and precision for various battery capacities.
• Integrated Thermal Regulation: To protect against overheating, the LTC4065EDC includes an internal thermal regulation mechanism that automatically reduces charge current under high temperature conditions.
• High Efficiency: The charger operates with a low dropout voltage, ensuring efficient charging even with a limited power supply voltage.
• Automatic Recharge: Once the battery voltage falls below a preset threshold after a full charge, the LTC4065EDC automatically initiates a new charging cycle, keeping your battery topped up.
• Charge Status Output: An onboard charge status output allows for easy monitoring of the charging process, which can be used to drive an external LED indicator.
• Protection Features: Comprehensive safety features include overvoltage protection, thermal shutdown, and automatic recharge, ensuring the longevity and safety of your battery.

Applications

The LTC4065EDC is suitable for a wide range of portable electronic devices, including:

• Smartphones and PDAs
• Digital Cameras
• Portable Media Players
• Bluetooth Headsets
• Wearable Technology
• GPS Devices

With its ease of integration, robust charging capabilities, and compact size, the LTC4065EDC from Linear Technology stands out as a comprehensive charging solution for single-cell Li-Ion batteries in modern portable electronics.