MAX5902LCETT+

Hot Swap Controllers Overview

The MAX5902LCETT+ is a hot-swap voltage controller from the Simple Swapper family, designed for safe insertion of circuit cards into live backplanes. It operates within a supply voltage range of +9V to +72V and features adjustable current limiting with a circuit-breaker function for overcurrent protection. The device drives an external p-channel MOSFET and includes thermal shutdown and power-good output capabilities. It supports latching or automatic retry fault management and offers an ON/OFF input for load sequencing. Packaged in a compact 6-pin TDFN (3mm x 3mm) format, it ensures minimal board space usage while providing robust power-supply rail protection.

Hot Swap Controllers Feature Summary

• Eliminates external sense resistors by integrating internal current sensing mechanisms
• Provides adjustable undervoltage lockout for flexible startup threshold configuration
• Includes thermal shutdown to protect the external MOSFET from overheating
• Supports both latching and automatic retry modes for fault recovery management

Hot Swap Controllers Applications

• Network routers and switches
• Servers and RAID systems
• Industrial systems and base station line cards

Hot Swap Controllers Procurement Notes

Verify the specific suffix 'LC' against the manufacturer's official part numbering guide to confirm temperature grade and package variant accuracy. Ensure the ordering code matches the required tape-and-reel quantity specifications. Cross-reference the RoHS compliance status with the latest environmental certificates provided by Analog Devices. Confirm availability through authorized distributors as supply constraints may apply to specific sub-variants.

Hot Swap Controllers Selection Notes

Select this component when designing systems requiring high-voltage hot-swap capability up to 72V without external sense resistors. It is suitable for applications needing precise inrush current control and overcurrent protection via an external MOSFET. Consider the TDFN package for space-constrained layouts. Evaluate the need for adjustable UVLO and fault management modes relative to system power sequencing requirements.

Hot Swap Controllers Part Context

The MAX5902 belongs to the Simple Swapper series, which simplifies hot-swap design by minimizing external components. Unlike standard controllers, it integrates current sensing, eliminating the need for precision shunt resistors. This family targets high-reliability infrastructure where board space and component count are critical constraints.

Hot Swap Controllers Replacement Considerations

The MAX5903 serves as a functional alternative within the same family, offering similar hot-swap control features. Verify pin compatibility and electrical specifications before substitution.