Maxim Integrated MAX5945EAX+ Product Overview

The MAX5945EAX+ from Maxim Integrated is a robust, feature-rich quad Ethernet Power-Sourcing Equipment (PSE) controller designed for use in Power over Ethernet (PoE) systems. This high-performance component is ideal for network switches, routers, and midspan PSEs that require reliable power delivery to powered devices (PDs) in accordance with the IEEE 802.3af standard.

Key Features

• Quad-Port Power Control: The MAX5945EAX+ can control up to four PoE ports, providing a scalable solution for small to medium-sized network applications.
• IEEE 802.3af Compliant: It ensures compatibility with a wide range of PoE devices by adhering to the IEEE 802.3af standard for PoE.
• Advanced Power Management: This includes programmable current limit, inrush current control, and automatic classification which allows for efficient power allocation and protection for connected devices.
• High Integration: The device integrates the necessary control functions for each port, reducing the need for additional external components and simplifying design.
• Diagnostic Features: Built-in fault detection and management capabilities ensure system reliability and help in identifying issues with PDs or cabling.
• Flexible Operation: The MAX5945EAX+ supports both automatic and semi-automatic modes, providing versatility for different application requirements.

Applications

The MAX5945EAX+ is suitable for a variety of PoE applications, including:

• Network switches and routers with PoE capability
• IP telephones and wireless access points
• Security cameras and networked surveillance systems
• VoIP systems and PoE lighting fixtures

Technical Specifications

• Package: 36-SSOP (Shrink Small Outline Package)
• Operating Temperature: -40°C to +85°C
• Supply Voltage: 32V to 57V

With its combination of power management capabilities, compliance with industry standards, and diagnostic features, the MAX5945EAX+ from Maxim Integrated is a reliable choice for powering multiple PoE devices in a network infrastructure.