MAX5922AEUI+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX5922AEUI+T

Manufacturer

Analog Devices

Introduction

The MAX5922AEUI+T is a dedicated Power Over Ethernet controller IC designed for use in Power Sourcing Equipment (PSE).

Product Features and Performance

Single channel PSE controller

Compliant with IEEE 802.3af PoE standard

Integrated power MOSFET

Automatic detection and classification of powered devices

Programmable current limit and class current

Overtemperature and overcurrent protection

Power feed into data pairs (Alternative A)

Product Advantages

Efficient power management for PoE devices

Supports high PoE voltages from 32V to 60V

Low power consumption with just 1mA current supply

Robust operational temperature range from -40°C to 85°C

Key Technical Parameters

Number of Channels: 1

Power Max: 15.4W

Internal Switch(s): Yes

Standards: 802.3af (PoE)

Voltage Supply: 32V ~ 60V

Current Supply: 1mA

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built-in thermal protection

Current limit protection for device safety

Meets regulatory IEEE 802.3af standard for Power over Ethernet

Compatibility

Compatible with devices requiring 15.4W or less power per port

Can be integrated into networking equipment that supports PoE functionality

Application Areas

Network switches and routers

Ethernet power injectors

Security cameras and surveillance equipment

VoIP phones

Wireless access points

Product Lifecycle

Active product status

No indicated discontinuation, ensuring long-term availability

Reasons to Choose This Product

Ease of integration for PoE capability in PSE devices

Compact 28-TSSOP package for space-saving designs

Cost-effective solution for low-port-count PSE applications

Reliability within industrial temperature ranges

Supports legacy and current PoE standards for wider device compatibility