Product Overview: LM5072MHX-50/NOPB

The LM5072MHX-50/NOPB is an integrated Power over Ethernet (PoE) powered device interface and PWM controller developed by Texas Instruments. It is designed to provide a complete and robust solution for PoE applications, adhering to the IEEE 802.3af standard for Power over Ethernet. This high-performance product simplifies the implementation of PoE functionality in network devices such as IP phones, wireless access points, and security cameras.

Key Features

• Integrated PoE Interface: The LM5072MHX-50/NOPB includes a signature resistor and classification current source, ensuring seamless integration with PoE systems.
• High Efficiency: The device boasts a high-efficiency DC-DC converter with a programmable switching frequency, allowing for optimized performance and reduced external component size.
• Advanced Protection: Features such as over-temperature protection, programmable under-voltage lockout, and cycle-by-cycle current limit protect the device against a wide range of fault conditions.
• Flexible Power Options: It can be configured to extract power from the PoE Ethernet cable or from auxiliary sources, providing design flexibility.
• Adjustable Output: The output voltage can be adjusted to suit a variety of applications, providing designers with a versatile power solution.

Product Specifications

• Part Number: LM5072MHX-50/NOPB
• Manufacturer: Texas Instruments
• Package / Case: 20-TSSOP with exposed pad
• Operating Temperature: -40°C to 125°C
• Input Voltage: 9.5V to 57V
• Output Voltage: Programmable

Applications

The LM5072MHX-50/NOPB is ideal for a broad range of applications requiring power and data over a single Ethernet cable, particularly in environments where AC power is not readily available or where it is advantageous to minimize cabling. It is a versatile component that is crucial for network design engineers looking to streamline their PoE device development.