LM5071MT-50/NOPB

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The LM5071MT-50/NOPB is an integrated, high voltage, high power over Ethernet (PoE) controllers. It is part of a family of Power Management ICs (PMIC) from Texas Instruments. The LM5071MT-50/NOPB is designed for use with the Ethernet standard to provide constant output power for high power, robust operation in PoE applications.

The LM5071MT-50/NOPB has numerous features, including integrated high voltage power supply and multiple power rail operation. It also includes a programmable voltage output, internal high voltage n-channel MOSFET switch, current limit and protection circuitry, precise internal voltage reference, and a temperature sensor. The integrated temperature sensor enables precise thermal management and increases reliability.

The LM5071MT-50/NOPB is designed to monitor the incoming power and provides output power based on the power input signals. The integrated voltage mapping, current limit and over temperature protection circuits make the LM5071MT-50/NOPB suitable for applications where precise output power is required and overvoltage, current limit and over-temperature protection needs to be incorporated.

The integrated voltage mapping circuit monitors and controls the voltage level at the output of the power MOSFET. The current limit circuit monitors the current flow through the switch to provide maximum safety when the power level is too high. The over-temperature protection circuit monitors the temperature of the IC and shuts down the power MOSFET switch if the temperature of the IC exceeds the preset level. This prevents any damage to the IC due to excess power.

The LM5071MT-50/NOPB is suitable for use in a variety of applications such as home and office network routers, access points and switches, PoE IP phones, industrial PoE lighting and lighting control systems, PoE PDs and industrial control applications such as motion control and pressure sensing.

The LM5071MT-50/NOPB integrates all the required components to deliver stable, efficient and robust output power in a single device. This means that it occupies less physical space and reduces design complexity. Additionally, it provides precise current/voltage sensing and an integrated over-temperature protection circuitry, allowing it to operate in a variety of environments and providing protection against system damage due to power outages.

Overall, the LM5071MT-50/NOPB is a highly integrated, high-voltage PMIC that is suitable for use in a variety of PoE applications. It delivers precise output power and provides robust protection against system damage due to power outages and over temperature conditions. Additionally, its integrated voltage mapping and current limit circuits provide reliable operation even under extreme power levels.

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