LTC4274 (4)

The LTC4274 is available from Analog Devices at Xecor. Designed for Power over Ethernet (PoE) systems, the LTC4274 offers compliance with IEEE 802.3at Type 1 and Type 2 standards, advanced power management, and high reliability with a total channel resistance of just 0.34Ω. Available in a 38-pin 5mm × 7mm QFN package, it is ideal for applications such as PSE switches, routers, and midspans. Whether used in telecommunications or network infrastructure, this series ensures efficient power delivery, robust protection, and scalability for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LTC4274 series below.

Part Number Description Package Inventory Add To Bom
LTC4274IUHF#TRPBF Transform your network architecture with this cutting-edge PSE controller, ensuring stable and secure power supply to all connected devices QFN-38 7,770
LTC4274IUHF#PBF Single PoE+ PSE Controller QFN-38 7,092
LTC4274CUHF#TRPBF Single PoE+ PSE Controller QFN-38 2,532
LTC4274CUHF#PBF Streamline your network infrastructure with this efficient PoE+ controller solution QFN-38 5,806

Key Featrues

Compliance with IEEE 802.3at Type 1 and 2: Ensures compatibility with both standard and high-power PoE systems, enabling versatile use in various networking environments while maintaining compliance with industry standards.
Advanced Power Management with 8-Bit Programmable Current Limit: Allows precise control over power delivery, enhancing efficiency and safety by preventing overcurrent conditions, which is crucial for protecting connected devices.
14.5-Bit Port Current/Voltage Monitoring: Provides high-resolution monitoring of power usage, enabling better power management and diagnostics, which improves system reliability and operational efficiency.
Very High Reliability 4-Point PD Detection: Ensures accurate detection of powered devices (PDs) through a robust detection mechanism, reducing the risk of false positives and improving system stability.
Supports Proprietary Power Levels Above 25W: Extends functionality beyond standard PoE+ limits, enabling use in high-power applications and providing flexibility for custom or advanced use cases.

Applications

PoE+ Network Switches: The LTC4274 is ideal for integrating into Power over Ethernet (PoE+) network switches, enabling efficient power delivery to connected devices such as IP cameras, VoIP phones, and wireless access points. Its advanced power management and low channel resistance ensure reliable operation and minimal heat dissipation, making it suitable for high-density networking environments.
Midspan Power Injectors: The LTC4274 is perfect for use in midspan power injectors, which provide PoE+ capabilities to non-PoE network devices. Its robust 4-point PD detection and high capacitance legacy device support ensure compatibility with a wide range of devices, making it a versatile solution for upgrading existing network infrastructure.
Industrial IoT Gateways: The LTC4274 is well-suited for industrial IoT gateways that require reliable PoE+ power delivery to connected sensors and actuators. Its ability to support proprietary power levels above 25W and its high reliability make it an excellent choice for demanding industrial applications where consistent power and data delivery are critical.
Smart Building Controllers: The LTC4274 is ideal for smart building controllers that manage lighting, HVAC, and security systems over a PoE+ network. Its 1MHz I²C compatible serial control interface allows for easy integration into building management systems, while its advanced power management ensures efficient and reliable operation in energy-conscious environments.