Texas Instruments

LM5070MTC-80

LM5070MTC-80 Description

The LM5070MTC-80 is a Power over Ethernet (PoE) controller and DC/DC converter designed for Power Device (PD) applications. Manufactured by Texas Instruments, this IC is part of the Power Management Integrated Circuits (PMIC) category and is housed in a 16-TSSOP package. The LM5070MTC-80 supports the IEEE 802.3af standard, ensuring compatibility with a wide range of PoE systems. It operates over a wide input voltage range of 1.8V to 75V, making it suitable for various power supply requirements. The device features both internal switches, eliminating the need for external MOSFETs and simplifying the design process. With a single channel, it provides efficient power management for applications requiring reliable PoE functionality.

LM5070MTC-80 Features

• Wide Input Voltage Range: The LM5070MTC-80 operates from 1.8V to 75V, offering flexibility in power supply options and ensuring robust performance across diverse operating conditions.
• Integrated Switches: Both internal switches are included, reducing the need for external components and simplifying the overall circuit design. This feature enhances reliability and reduces the footprint on the PCB.
• Compliance with IEEE 802.3af Standard: The device adheres to the 802.3af standard for Power over Ethernet, ensuring compatibility with standard PoE systems and facilitating seamless integration into existing networks.
• Surface Mount Technology: The surface mount mounting type allows for efficient and automated assembly processes, reducing production costs and improving manufacturing scalability.
• Moisture Sensitivity Level (MSL) 1: With an MSL rating of 1, the LM5070MTC-80 is unaffected by moisture, making it suitable for a wide range of environmental conditions and ensuring long-term reliability.
• REACH Compliance: The device is REACH unaffected, ensuring compliance with environmental and health regulations, which is crucial for global market acceptance.
• Obsolete Status: While the LM5070MTC-80 is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are still required.

LM5070MTC-80 Applications

The LM5070MTC-80 is ideal for applications requiring efficient Power over Ethernet (PoE) solutions. Its wide input voltage range and integrated switches make it suitable for a variety of devices, including:

• IP Cameras: Provides reliable power management for networked surveillance cameras, ensuring continuous operation and high performance.
• VoIP Phones: Ensures stable power delivery for Voice over Internet Protocol (VoIP) phones, enhancing communication reliability.
  -Access Control Systems: Facilitates efficient power management for access control devices, such as card readers and biometric scanners, ensuring secure and reliable operation.
• Wireless Access Points: Supports robust power delivery for wireless access points, enabling seamless connectivity in networked environments.

Conclusion of LM5070MTC-80

The LM5070MTC-80 from Texas Instruments is a versatile and reliable Power over Ethernet controller and DC/DC converter. Its wide input voltage range, integrated switches, and compliance with the IEEE 802.3af standard make it an excellent choice for a variety of PoE applications. The device's surface mount technology and moisture sensitivity level of 1 ensure ease of integration and long-term reliability. While marked as obsolete, the LM5070MTC-80 continues to offer unique advantages for legacy systems and specific applications where its features are essential. For engineers and designers looking for a proven PoE solution, the LM5070MTC-80 remains a viable option.