Texas Instruments

LM5071MT-50/NOPB  

Power Over Ethernet Controllers

LM5071MT-50/NOPB Description

The LM5071MT-50/NOPB 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 engineered to meet the stringent requirements of the 802.3af standard, ensuring reliable and efficient power delivery over Ethernet cables. The LM5071MT-50/NOPB features a wide input voltage range of 1.8V to 60V, making it suitable for a variety of power supply scenarios. It also includes an auxiliary sense feature, which enhances the accuracy of voltage regulation.

LM5071MT-50/NOPB Features

• Wide Input Voltage Range: The LM5071MT-50/NOPB operates within a broad input voltage range of 1.8V to 60V, providing flexibility for diverse applications.
• Auxiliary Sense: This feature ensures precise voltage regulation by sensing the voltage at the load, thereby minimizing the impact of voltage drops across the power path.
• Low Supply Current: With a supply current of just 1mA, the LM5071MT-50/NOPB is highly efficient, reducing power consumption and heat generation.
• Compliance with 802.3af Standard: The device adheres to the IEEE 802.3af standard for Power over Ethernet, ensuring compatibility with a wide range of PoE systems.
• Internal Switches: The LM5071MT-50/NOPB incorporates both internal switches, simplifying the design and reducing the component count.
• Surface Mount Packaging: The device is available in a surface mount package, making it suitable for automated assembly processes and compact designs.
• High Power Capability: The LM5071MT-50/NOPB can handle a maximum power of 12.95W, making it ideal for applications requiring higher power delivery.
• Regulatory Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards.

LM5071MT-50/NOPB Applications

The LM5071MT-50/NOPB is well-suited for a variety of applications where Power over Ethernet is required. Its wide input voltage range and high power capability make it ideal for:

• IP Cameras: Providing reliable power delivery for network cameras, ensuring continuous operation without the need for separate power supplies.
• VoIP Phones: Enabling efficient power management for Voice over Internet Protocol phones, enhancing their performance and reliability.
• Access Points: Supplying power to wireless access points, simplifying installation and reducing the need for additional power cabling.
• Industrial IoT Devices: Powering various Internet of Things devices in industrial settings, where robust and efficient power delivery is crucial.

Conclusion of LM5071MT-50/NOPB

The LM5071MT-50/NOPB from Texas Instruments stands out as a versatile and efficient solution for Power over Ethernet applications. Its wide input voltage range, auxiliary sense feature, and compliance with the 802.3af standard make it a reliable choice for a variety of applications. The device's low supply current and high power capability further enhance its performance, making it an ideal choice for applications such as IP cameras, VoIP phones, and industrial IoT devices. With its surface mount packaging and regulatory compliance, the LM5071MT-50/NOPB offers a comprehensive solution for designers looking to integrate PoE functionality into their systems.

LM5071MT-50/NOPB Documents

Download datasheets and manufacturer documentation for LM5071MT-50/NOPB

PCN Assembly/Origin :

Mult Devices Assembly Mat. 02/Mar/2018      

Datasheets :

LM5071      

PCN Packaging :

Pack Material Update 11/May/2015       Packing Material Revision A 19/May/2015      

Reference Design Library :

LM5071EVAL: Power Over Ethernet, 3.3V @ 3.3A      

HTML Datasheet :

LM5071      

PCN Design/Specification :

Mult Dev Marking Chgs 16/Mar/2023