The MAX5987AETE+ from Maxim Integrated is a sophisticated power controller designed for Power over Ethernet (PoE) applications. It is a fully integrated solution that simplifies the implementation of PoE-powered devices such as wireless access points, IP cameras, and VoIP phones. This device is compliant with the IEEE 802.3at standard, also known as PoE+, ensuring compatibility with the latest high-power PoE networks.

Key Features

• IEEE 802.3at Compliance: The MAX5987AETE+ adheres to the stringent requirements of the PoE+ standard, providing up to 25.5W of power per port.
• Integrated Power MOSFET: This power controller includes an internal power MOSFET, which significantly reduces external component count and simplifies design.
• Advanced Power Management: It offers programmable classification, inrush current control, and current limiting to ensure safe and efficient power delivery.
• High-Efficiency Operation: The MAX5987AETE+ operates with high efficiency, which minimizes power loss and heat generation, thereby improving system reliability.
• Robust Protection Features: The device includes overtemperature protection, undervoltage lockout, and overcurrent protection, safeguarding both the power sourcing equipment (PSE) and the powered device (PD) from electrical anomalies.
• Flexible Application: It is suitable for a wide range of applications, from simple fixed-power installations to complex, software-controlled power allocation systems.

Technical Specifications

• Package Type: 16-Pin TQFN-EP
• Operating Temperature Range: -40°C to +85°C, suitable for industrial environments.
• Support for Multiple Power Classes: The device can distinguish between different PoE power classes, allowing for precise power management.

The MAX5987AETE+ is a testament to Maxim Integrated's commitment to providing advanced integrated circuits that meet the evolving needs of networked devices. With its comprehensive feature set and industry-standard compliance, this Ethernet power controller is an ideal choice for developers looking to incorporate PoE capabilities into their products with minimal hassle and maximum efficiency.