Texas Instruments

LM5071MT-80

LM5071MT-80 Description

The LM5071MT-80 is a highly integrated Power over Ethernet (PoE) controller and DC/DC converter designed for Power Device (PD) applications. Manufactured by Texas Instruments, this device is optimized for surface mount applications and is housed in a 16TSSOP package. The LM5071MT-80 is compliant with the 802.3af PoE standard, ensuring reliable power delivery over Ethernet cables. It supports a wide input voltage range of 1.8V to 60V and can handle a maximum power of 12.95 watts, making it suitable for a variety of applications requiring efficient power management.

LM5071MT-80 Features

• Comprehensive Power Management: The LM5071MT-80 integrates both a PoE controller and a DC/DC converter, providing a complete power management solution in a single package. This integration reduces the complexity and footprint of the design, making it ideal for space-constrained applications.
• Wide Input Voltage Range: With a supply voltage range of 1.8V to 60V, the LM5071MT-80 can operate across a broad spectrum of input voltages, ensuring compatibility with various power sources and enhancing its versatility.
• High Efficiency: The device is designed to deliver up to 12.95 watts of power with high efficiency, minimizing power loss and heat generation. This feature is crucial for applications where thermal management is a concern.
• Auxiliary Sense Capability: The LM5071MT-80 includes an auxiliary sense feature, which allows for precise voltage regulation and improved system performance. This capability ensures that the device can accurately monitor and control the power delivery process.
• Compliance with Industry Standards: The LM5071MT-80 is fully compliant with the 802.3af PoE standard, ensuring interoperability with other PoE-enabled devices and systems. This compliance guarantees reliable and standardized power delivery over Ethernet.
• Robust and Reliable: The device is manufactured with a moisture sensitivity level (MSL) of 1, indicating that it is unaffected by moisture and can be stored and used in a wide range of environmental conditions without degradation in performance.
• Low Supply Current: The LM5071MT-80 operates with a low supply current of just 1mA, reducing power consumption and enhancing overall system efficiency.

LM5071MT-80 Applications

The LM5071MT-80 is ideal for applications requiring efficient power delivery over Ethernet, such as:

• IP Cameras: Providing reliable power to IP cameras without the need for separate power lines, simplifying installation and reducing cabling requirements.
• VoIP Phones: Ensuring stable power supply to Voice over Internet Protocol (VoIP) phones, enhancing their functionality and reliability.
• Access Points: Supplying power to wireless access points, enabling seamless network connectivity and coverage.
• Industrial IoT Devices: Powering various Internet of Things (IoT) devices in industrial settings, where PoE is a preferred method for power delivery due to its simplicity and reliability.

Conclusion of LM5071MT-80

The LM5071MT-80 from Texas Instruments is a versatile and efficient PoE controller and DC/DC converter that offers significant advantages over similar models. Its wide input voltage range, high power capability, and compliance with industry standards make it an excellent choice for a variety of applications. The integration of both a PoE controller and a DC/DC converter in a single package reduces design complexity and footprint, while the auxiliary sense feature ensures precise voltage regulation. The LM5071MT-80 is an ideal solution for applications requiring reliable and efficient power delivery over Ethernet, such as IP cameras, VoIP phones, access points, and industrial IoT devices.