LTC1641-1IS8: Hot Swap Controller from Linear Technology

The LTC1641-1IS8 is a specialized integrated circuit designed by Linear Technology, now part of Analog Devices, for managing the safe insertion and removal of circuit boards from a live backplane. This hot swap controller is tailored to ensure that electronic systems remain stable and protected when boards are hot-swapped, which is a critical feature in high-availability systems such as servers, telecommunications equipment, and data storage arrays.

Key Features

• Adjustable Supply Voltage: The LTC1641-1IS8 operates over a wide range of supply voltages, accommodating various system requirements.
• Electronic Circuit Breaker: It includes an electronic circuit breaker function to protect against overcurrent conditions, helping to prevent damage to the electronic components and the power supply.
• Under-Voltage Lockout (UVLO): The device features UVLO to ensure that the system operates only when the supply voltage is within an acceptable range.
• Compact Package: It comes in a space-saving 8-pin SO package, which is ideal for systems where board space is at a premium.

Applications

The LTC1641-1IS8 is suited for a variety of applications that require reliable power management during the insertion and removal of circuit boards. It is commonly used in:

• Network Routers and Switches
• Server Hot Swap Systems
• RAID Systems
• Industrial Computers

Technical Specifications

The technical specifications of the LTC1641-1IS8 include:

• Supply Voltage Range: Adjustable
• Overcurrent Protection: Yes, with an electronic circuit breaker
• Package Type: 8-pin SO
• Temperature Range: Specified for commercial and industrial temperature ranges

Conclusion

The LTC1641-1IS8 from Linear Technology is a robust solution for managing the power requirements of hot-swappable boards. Its comprehensive feature set ensures that systems remain operational and components are protected during the insertion and removal process. With its compact form factor and flexible voltage range, the LTC1641-1IS8 is an ideal choice for designers looking to enhance the reliability and uptime of their high-availability systems.