MAX5952AEAX+T

Overview

The MAX5952AEAX+T is a quad Power Sourcing Equipment (PSE) controller designed for IEEE 802.3af and 802.3at PoE applications. It integrates four independent channels within a 36-pin SSOP package, supporting operation from -40°C to +85°C. The device manages power delivery with integrated linear regulators and current limiting. It features programmable soft-start and fault protection mechanisms to ensure safe insertion and removal of powered devices in network infrastructure systems.

Feature Summary

• Integrates four independent PSE channels for high-density PoE deployments
• Supports both 802.3af and 802.3at standards for flexible power classification
• Includes integrated linear regulators to simplify external component requirements

Applications

• Ethernet switches and routers requiring PoE++ capabilities
• Wireless access points with multiple radio interfaces
• Network infrastructure equipment distributing DC power over Ethernet cables

Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation. Check for obsolescence notices as this component may be discontinued or superseded by newer generations. Ensure the supplier provides valid traceability for industrial-grade temperature ratings.

Selection Notes

Select this component for designs requiring four isolated PoE ports in a compact footprint. Evaluate thermal dissipation capabilities given the SSOP package constraints. Compare against single-channel controllers if fewer ports are sufficient to reduce bill of materials cost. Verify input voltage ranges match the system's power supply architecture.

Part Context

This part belongs to the Maxim Integrated MAX5952 family of hot-swap voltage controllers. It serves as a specialized solution for Power Sourcing Equipment in Ethernet networks. The device replaces discrete implementations of PSE logic, offering a consolidated approach to managing power delivery protocols and safety limits in modern networking hardware.

Replacement Considerations

Public confirmed substitute part numbers: MAX5952AUAX+T, MAX5952AEAX+.