LTC4059EDC#TRPBF - Linear Technology

The LTC4059EDC#TRPBF is a highly efficient, compact, standalone linear charger for lithium-ion batteries manufactured by Linear Technology. This advanced charging IC is designed to simplify the process of charging a single-cell lithium-ion battery with precision and safety, making it an ideal choice for portable electronic applications where space and battery life are at a premium.

Key Features:

• Adjustable Charging Current: The device allows for programmable charge current up to 150mA through a single external resistor, giving designers flexibility to match the charging rate to the battery's specifications and application's power requirements.
• Wide Input Voltage Range: It operates from a 4.25V to 6.5V input voltage range, accommodating a variety of power sources.
• High Charging Efficiency: The LTC4059EDC#TRPBF offers a high level of charging efficiency, which helps in reducing power loss and heat generation during the charging process.
• Thermal Regulation: This feature maximizes the charge rate without the risk of overheating, ensuring safe operation under varying environmental conditions.
• Charge Termination: The charger includes an automatic charge termination feature that stops the charging process once the battery is fully charged, preventing overcharging and extending battery life.
• Compact Package: The LTC4059EDC#TRPBF comes in a tiny 6-pin DFN package, which is ideal for space-constrained applications.

Applications:

• Portable Medical Devices
• Wearable Technology
• Wireless Headsets and Earbuds
• Bluetooth Devices
• Small Handheld Devices

This charger is designed with an end-of-charge control feature that uses a C/10 charge current detection point, which ensures a full charge cycle for the battery. The LTC4059EDC#TRPBF also includes an undervoltage lockout (UVLO) function, which shuts down the charger when the input voltage falls below a preset threshold, protecting the circuitry and the battery under low input conditions.

Overall, the LTC4059EDC#TRPBF from Linear Technology is a reliable, efficient, and versatile charging solution that meets the needs of modern portable electronics requiring single-cell lithium-ion battery management.