Maxim Integrated MAX5971AETI+T Product Overview

The MAX5971AETI+T from Maxim Integrated is a high-performance IEEE 802.3af-compliant Power-over-Ethernet (PoE) interface controller designed for power sourcing equipment (PSE). This advanced integrated circuit is engineered to facilitate the delivery of power over Ethernet to powered devices (PDs) such as IP phones, wireless access points, and network cameras.

Key Features

• Compliant with IEEE 802.3af PoE standard
• Supports high-power applications up to 40W
• Integrated power MOSFET for simplified design
• Advanced power management with programmable current limit
• Auto-restart feature for fault management
• Supports 2-event classification as per IEEE 802.3at
• Thermal overload protection
• Available in a compact 28-pin TQFN package

Applications

The MAX5971AETI+T is suitable for a wide range of applications in various industries. It is particularly useful in networking equipment where PoE is a necessity. Common applications include:

• Enterprise networking switches and routers
• Industrial Ethernet switches
• VoIP phones and IP cameras
• Wireless network access points
• Home automation systems

Performance and Reliability

This controller is designed to provide reliable power with enhanced safety features. Its thermal management capabilities ensure stable operation across its specified temperature range. The integrated MOSFET simplifies the design and reduces external component count, leading to a more compact and reliable end product.

Easy Integration

The MAX5971AETI+T is offered in a space-saving 28-pin TQFN package, making it an ideal choice for designs where PCB real estate is at a premium. The device's pin configuration and function set are optimized for straightforward integration into PSE designs, contributing to reduced time-to-market for developers.

With its robust feature set and compliance with industry standards, the MAX5971AETI+T is a versatile and reliable solution for powering a wide array of Ethernet-enabled devices.