MAX5987AETE+T

Overview

The MAX5987AETE+T is a single-channel Power over Ethernet (PoE) controller compliant with the IEEE 802.3af standard. It integrates a DC/DC converter and internal switches to manage power delivery. The device operates on a supply voltage range of 8.7V to 60V with a supply current of 3.6mA. It supports auxiliary sensing for enhanced monitoring capabilities. The component is housed in a 16-TQFN package with an exposed pad, suitable for surface mount installation.

Feature Summary

• Integrates DC/DC conversion and internal switches for compact PoE implementation
• Supports auxiliary sensing for detailed power channel monitoring
• Complies with IEEE 802.3af Power over Ethernet standards

Applications

• IEEE 802.3af compliant network infrastructure equipment
• Power sourcing equipment designs requiring integrated control
• Embedded systems utilizing single-channel PoE power delivery

Procurement Notes

Verify the specific suffix and tape/reel packaging configuration against official Analog Devices documentation before procurement. Confirm that the 16-TQFN footprint matches your PCB layout requirements. Ensure compatibility with the 8.7V to 60V input range for your target application environment.

Selection Notes

Select this component when designing single-channel PoE solutions requiring integrated switching and control functions. It is appropriate for applications needing IEEE 802.3af compliance without external discrete switches. Consider the 16-TQFN package size for space-constrained board layouts.

Part Context

This part belongs to the Maxim Integrated PoE controller family, designed to simplify power sourcing equipment development. It consolidates control logic and power stages into a single chip, reducing bill of materials and board area compared to discrete implementations.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.