LTC4080EDD#TRPBF - Linear Technology's Integrated USB-Compatible Li-Ion Charger and 1A Synchronous Buck Regulator

The LTC4080EDD#TRPBF is a high-performance, compact charging solution designed by Linear Technology, specifically tailored for portable Li-Ion/Polymer battery applications. This versatile product integrates a full-featured battery charger with a high-efficiency synchronous buck regulator, making it an ideal choice for modern, power-sensitive devices that require a dependable power management system.

Key Features:

• USB-Compatible Charger: The LTC4080EDD#TRPBF includes a complete constant-current/constant-voltage linear charger with a maximum charge current programmable up to 950mA, which can be powered from a USB port or an external power supply.
• Automatic Power Path Management: This product ensures that the system remains operational even when the battery is being charged, by automatically controlling the power flow between the battery, the load, and the input source.
• 1A Synchronous Buck Regulator: The integrated synchronous step-down DC/DC converter can deliver up to 1A of continuous output current with high efficiency, which is essential for maximizing battery life in portable devices.
• Thermal Regulation: To protect the battery during fast charging, the LTC4080EDD#TRPBF features thermal regulation, which automatically reduces charge current if the die temperature rises to a level that could damage the IC or the battery.
• Small Footprint: Housed in a small 3mm x 3mm DFN package, this product is designed to save board space, which is critical in space-constrained applications such as handheld devices.

Applications:

The LTC4080EDD#TRPBF is suitable for a vast array of applications, including but not limited to:

• Personal Digital Assistants (PDAs)
• Portable Media Players
• Digital Cameras
• Handheld Instruments
• USB-Powered Gadgets

Conclusion:

With its advanced features and compact design, the LTC4080EDD#TRPBF from Linear Technology represents a comprehensive power management solution that can significantly enhance the performance and reliability of battery-operated devices. Its integrated approach not only simplifies the design process but also helps in achieving a faster time-to-market for a wide range of electronic products.