LTC4252-2IMS8#TRPBF

Hot Swap Controllers Overview

The LTC4252-2IMS8#TRPBF is a negative voltage hot swap controller manufactured by Analog Devices Inc. It operates within an input voltage range of -60V to -1.5V, supporting load currents up to 3A. The device features a fixed 10ms soft-start time and integrates a precision current limit with foldback protection. It utilizes an 8-pin MSOP package and includes a power good indicator. The component is designed for safe insertion and removal of live circuit boards in systems utilizing negative power rails.

Hot Swap Controllers Feature Summary

• Integrates high-side N-channel MOSFET driver for negative voltage hot swap applications
• Provides programmable current limiting with foldback capability to protect against short circuits
• Includes a fixed 10ms soft-start timer to control inrush current during board insertion

Hot Swap Controllers Applications

• Telecommunications equipment requiring negative power rail management
• Industrial control systems with modular board architectures
• Data communication infrastructure utilizing -48V or similar negative supply standards

Hot Swap Controllers Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when sourcing. Confirm the negative voltage operation requirements match your system design, as this controller is not suitable for positive rail applications. Ensure compatibility with the intended N-channel MOSFET gate drive levels. Check for any recent lifecycle status updates from the manufacturer regarding availability.

Hot Swap Controllers Selection Notes

Select this component when managing negative voltage rails in hot-swap environments. It is appropriate for designs requiring precise inrush control and fault protection without external complex timing components. Consider the 8-pin MSOP package size for space-constrained layouts. Evaluate if the fixed 10ms soft-start meets your system's thermal and electrical constraints.

Hot Swap Controllers Part Context

This part belongs to the LTC4252 family of hot swap controllers. It is specifically engineered for negative voltage applications, distinguishing it from positive rail counterparts like the LTC4257. The IMS8 package denotes an 8-lead Mini-SOP footprint. The #TRPBF suffix confirms lead-free composition and tape-and-reel shipping format.

Hot Swap Controllers Replacement Considerations

Direct replacements include other negative voltage hot swap controllers from Analog Devices such as the LTC4252B series variants. Verify pinout compatibility and voltage ratings before substituting. Alternative manufacturers may offer similar functionality but require careful validation of gate drive characteristics and fault response times.