LM5071MTX-50 - Texas Instruments

Manufacturer Part Number

LM5071MTX-50

Manufacturer

Texas Instruments

Introduction

Power over Ethernet controller IC designed for Power Device applications

Product Features and Performance

Integrated IEEE 802.3af-compliant PoE interface and DC/DC controller

Supports up to 12.95W power output

Internal power MOSFET switches

Auxiliary power source detection capability

Wide input voltage range from 1.8V to 60V

Low operating current of 1mA

Product Advantages

Combines PoE interface and DC/DC controller in one solution

Supports high-voltage auxiliary sources

Thermal shutdown and over-current protection

High integration reduces external component count and system cost

Key Technical Parameters

Controller Type: PD, DC/DC

Number of Channels: 1

Maximum Power: 12.95 W

Internal Switch(s): Both

Standards: IEEE 802.3af (PoE)

Supply Voltage Range: 1.8V to 60V

Supply Current: 1mA

Operating Temperature Range: -40°C to 125°C

Mounting Type: Surface Mount

Quality and Safety Features

Built-in safety features including undervoltage lockout, thermal shutdown, and overcurrent protection

Compatibility

Compliant with IEEE 802.3af standard for PoE applications

Application Areas

Used in networking equipment like routers, Ethernet switches, and wireless access points that require PoE capability

Product Lifecycle

Obsolete status, which implies limited availability and possible discontinuation in the future

Potential need for customers to seek replacements or upgrades

Several Key Reasons to Choose This Product

Single-chip solution for PoE systems saves space and costs

Wide operating temperature suitable for industrial environments

Energy-efficient operation with low quiescent current

Texas Instruments' reputation for quality and support in power management solutions

The existing base product number LM5071 for reference to previous designs and applications