MAX5921BESA+

Hot Swap Controllers Overview

The MAX5921BESA+ is a hot-swap controller designed for safe insertion and removal of circuit boards in live backplanes. It supports negative high-voltage applications up to -48V with an N-channel MOSFET interface. The device operates within a temperature range of -40°C to +85°C and is housed in an 8-pin SOIC-N package. Key electrical characteristics include adjustable current limit thresholds, fault timeout protection, and thermal limiting functionality to ensure system integrity during board transitions.

Hot Swap Controllers Feature Summary

• Manages safe insertion and removal of circuit boards in live backplane environments
• Provides integrated auto-retry, fault timeout, and thermal limit protection mechanisms
• Supports negative high-voltage operation suitable for -48V systems

Hot Swap Controllers Applications

• Live backplane board insertion and removal management
• Negative voltage hot-swap controller circuits
• Telecommunications equipment power distribution

Hot Swap Controllers Procurement Notes

Verify the specific suffix designation (+) against the manufacturer's official documentation to confirm lead-free compliance and RoHS status. Ensure the ordering part number matches the exact package variant required for your PCB footprint. Cross-reference the datasheet revision date to confirm compatibility with your design specifications before procurement.

Hot Swap Controllers Selection Notes

Select this component for applications requiring robust protection during hot-swap operations in negative voltage systems. Evaluate the need for adjustable current limits and thermal shutdown features. Confirm that the SOIC-N package dimensions align with your assembly constraints. Consider the operating temperature range requirements for your specific environmental conditions.

Hot Swap Controllers Part Context

This component belongs to the Maxim Integrated hot-swap controller family, specifically engineered for managing power delivery during board transitions. It integrates control logic with driver capabilities to protect both the system and the inserted card from electrical stress during connection events.

Hot Swap Controllers Replacement Considerations

Consult Analog Devices official substitution guides for verified alternatives. Ensure any replacement maintains compatibility with -48V negative voltage architectures and offers equivalent protection features such as thermal limiting and fault timeouts.