The LTC1642AIGN#PBF is a high-performance Hot Swap controller IC designed by Linear Technology, now part of Analog Devices, to allow safe board insertion and removal from a live backplane. This compact, feature-rich component is housed in a narrow 16-lead SSOP package, making it suitable for space-constrained applications.

Key Features

• Automatic Circuit Breaker: The LTC1642AIGN#PBF includes an electronic circuit breaker function, providing overcurrent protection by sensing the voltage across a sense resistor and responding to an overcurrent condition within microseconds.
• Programmable Overcurrent Timeout: Users can set the timeout duration for the overcurrent condition, allowing for flexibility in different application requirements.
• Gate Voltage Clamping: To protect the external N-channel MOSFET from overvoltage, the IC clamps the gate voltage, ensuring reliable operation and extended component lifespan.
• Under Voltage Lockout (UVLO): The LTC1642AIGN#PBF ensures that the MOSFET remains off until the input supply voltage reaches a safe operating level.
• Overvoltage Protection: The device also protects against overvoltage conditions, ensuring the safe operation of the load and preventing damage to the system.

Applications

The LTC1642AIGN#PBF is ideal for a wide range of applications, including:

• Hot Swap Systems
• RAID Systems
• Servers and Workstations
• Network Switches and Routers
• Telecommunications Infrastructure

Quality and Reliability

Linear Technology's LTC1642AIGN#PBF is built to meet the high standards of reliability and performance that are synonymous with the brand. The part number suffix 'PBF' indicates a lead-free ("Pb-free") manufacturing process, aligning with RoHS compliance and environmental standards for electronic components.

Conclusion

With its robust protection features and compact size, the LTC1642AIGN#PBF from Linear Technology is an excellent choice for engineers looking to implement Hot Swap capabilities in their systems. Its ability to protect both the backplane and the card during insertion and removal makes it an essential component for high-availability systems where uptime is critical.