MP8005DF-LF

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Power over Ethernet (PoE) controllers have been used to facilitate delivery of power over the LAN (Local Area Network) for some time. MP8005DF-LF from Monolithic Power Systems (MPS) has redefined the industry standard for PoE controllers with integrated fault protection, and superior temperature-compensation for fast data transmission.

The MP8005DF-LF is designed for use with standard PoE Category 5 (CAT5) cables, which are twisted-pair copper cables with full-duplex Ethernet transfer capabilities. CAT5 cables are capable of powering both the data transfer, and 8A of power. With full compliance to IEEE 802.3af-2003 PoE standard, MP8005DF-LF is able to provide 5V-60V of active power over UTP while also enabling fast charging over faster UTP CAT5 cables.

The MP8005DF-LF PoE controller comprises of two main parts, which are an optically isolated source controller and an isolated power source module. The source controller is designed for fast implementation and reliable performance. It provides various fault detection, protection and temperature compensation features. The isolated power source module features up to 8A of power output with a wide range of output voltages from 5V-60V to suit the requirements of any PoE device.

When used in combination, the MP8005DF-LF application field offers a fully integrated PoE solution that provides superior power and data transmission over the entire LAN. The source controller is capable of supporting high-speed link detection and PoE high-voltage warning functions, as well as integrated power supply detection and inrush current limitation. The integrated power source module also supports hot swap capability, allowing integration of the PoE connection in a ready made application.

The working principle of MP8005DF-LF is relatively straightforward. The source controller detects the incoming power from the Category 5 Ethernet cable and passes the signal on to the DC-to-DC converter, which then transforms the incoming power into a regulated DC output, eliminating the need for external converters. This provides for efficient, quick and reliable transfer of power, with over-current and over-voltage protection features.

In addition, the MP8005DF-LF works with the integrated capacitive DECA (DC-DC Electrolytic Capacitive Adapter) to reduce the Q-factor noise, minimize EMI (electromagnetic interference), reduce voltage drop and significantly improve the power transfer efficiency. This makes the MP8005DF-LF a reliable and highly efficient PoE controller that can be used in a variety of applications.

The MP8005DF-LF PoE controller is a proven and reliable solution that offers superior data and power transfer over the entire LAN. With an integrated fault protection and superior temperature-compensation, the MP8005DF-LF is the perfect choice for businesses looking to power devices and equipment over the LAN.

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