Overview of LTC1421CG-2.5#TR

The LTC1421CG-2.5#TR is a high-performance, hot swappable controller IC from Linear Technology, designed to allow safe board insertion and removal from a live backplane. This integrated circuit provides a complete solution to protect the electronic system against the potential damages caused by the inrush currents and the resulting glitches that can occur during the insertion or removal of boards.

Key Features

• Voltage Range: The LTC1421CG-2.5#TR operates at a fixed voltage of 2.5V, making it ideal for low voltage applications where precision is crucial.
• Electronic Circuit Breaker: This device integrates an electronic circuit breaker function to limit the inrush current during hot swapping, ensuring that the power supply and other components on the backplane are not affected by the sudden changes in load.
• Adjustable Current Limit: The current limit threshold is adjustable, allowing for a customizable protection level based on the specific requirements of the application.
• Under Voltage Lockout (UVLO): It features an under voltage lockout to ensure that the power supply is stable and within specifications before allowing the board to power up.
• Overcurrent Fault Protection: The LTC1421CG-2.5#TR provides overcurrent fault protection with a programmable timer to prevent prolonged faults that could damage the system.
• Thermal Protection: The device includes thermal protection to safeguard against overheating conditions, which can arise during high current operations.

Applications

The LTC1421CG-2.5#TR is suitable for a wide range of applications, particularly in systems where hot swap functionality is essential. This includes servers, RAID systems, telecom equipment, and other industrial applications where maintenance or upgrades need to be performed without disrupting the operation of the entire system.

Packaging and Quality

This controller is available in a compact, surface-mount SSOP-16 package, designated by the '#TR' suffix, indicating tape and reel packaging suitable for automated assembly processes. Linear Technology ensures high-quality standards, making the LTC1421CG-2.5#TR a reliable choice for critical applications where performance and durability are paramount.

With its robust feature set and protection mechanisms, the LTC1421CG-2.5#TR is an excellent choice for designers looking to incorporate hot swap capabilities with a high degree of safety and control.