The MAX5986AETE+ from Maxim Integrated is a sophisticated Power over Ethernet (PoE) interface controller designed to simplify the implementation of PoE-powered devices (PDs). This high-performance integrated circuit is compliant with the IEEE 802.3at standard, also known as PoE+, and is capable of delivering up to 25.5W of power.

Key Features

• IEEE 802.3at (PoE+) Compliant
• Supports High Power up to 25.5W
• Integrated Hot-Swap MOSFET
• High-Efficiency DC-DC Controller
• Advanced Thermal Management
• Adjustable Under/Over-Voltage Lockout
• End-to-End Surge Protection
• Compact 16-Pin TQFN Package

Applications

The MAX5986AETE+ is ideal for a wide range of applications that require remote power delivery and management. It is particularly well-suited for:

• Wireless Access Points
• VoIP Phones
• Security Cameras
• Networked Appliances

Performance and Protection

With its integrated hot-swap MOSFET and high-efficiency DC-DC controller, the MAX5986AETE+ ensures safe and reliable operation under varying electrical conditions. Its advanced thermal management capabilities prevent overheating, while adjustable under/over-voltage lockout settings protect against abnormal voltage conditions. Additionally, the device includes end-to-end surge protection to safeguard against voltage spikes that can occur in challenging electrical environments.

Design and Integration

The device is offered in a compact 16-pin TQFN package, making it suitable for space-constrained applications. Its integration features allow for a reduced component count and simplified PCB design, which can accelerate time-to-market for product developers. The MAX5986AETE+ simplifies the design process for PoE PDs by integrating many of the essential functions required for power management and protection.

Conclusion

Maxim Integrated's MAX5986AETE+ is a robust PoE interface controller that combines performance, protection, and ease of integration. Its compliance with the IEEE 802.3at standard and ability to deliver high power makes it an excellent choice for designers looking to incorporate PoE capabilities into their products.