LP87333Q1EVM

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LP87333Q1EVM is an evaluation board designed as an easy-to-use tool for exploring the features and capabilities of a buck converter mode of LP87333Q1, a 3-phase synchronous rectified buck controller from TI\'s power management devices portfolio. Applicable to both DC/DC and AC/DC low-power SMPS applications such as 5V, 12V, and 24V, the LP87333Q1EVM is a broadly used and time-tested benchtop tool for power engineers.

The buck converter circuit, also known as a step-down converter, is essentially an integrated circuit that is used to reduce or convert the input voltage to a lower level. It takes an an input voltage ranging from 8V to 30V and reduces it to an output voltage as low as 0V. This circuit requires little additional external components due to the integrated protection features, like current monitoring and thermal protection, which eliminates the need for over-voltage protection. The LP87333Q1EVM also features a range of pre-configured voltage levels, over current protection, soft-start, pulse-by-pulse current limiting, and temperature shutdown.

The LP87333Q1EVM is ideal for evaluating and testing the power management of applications in various areas, such as telecom, automotive, consumer, medical, and industrial power supplies. Its wide range of features makes it suitable for a variety of applications, from low-voltage DC/DC power supplies used in residential and commercial equipment to high-power AC/DC supplies used in industrial equipment. Moreover, the board includes a comprehensive set of features for measuring output power, current and voltage, including linear current and voltage sense functions.

LP87333Q1EVM utilizes a three-level buck topology to achieve higher system efficiency while removing stress on the power components. It works by regulating an output voltage that is above the input voltage, by actively switching the input voltage and then instantly switching the output voltage in accordance with the input requirements. Its main function is to reduce the amount of energy dissipated in the power supply by minimizing the input/output Vrms values of the system. This buck function is driven by an internal voltage regulator and provides clean, regulated, and stable output voltage.

The LP87333Q1EVM is suitable for a wide range of off-line SMPS applications, such as DC/DC converters, and AC/DC power supplies. By taking advantage of the integrated protection features, such as current monitoring, short-circuit protection, and thermal protection, the user can reduce the number of external components. The evaluation board also allows for the adjustment of certain operating parameters, such as output voltage, current, and switching frequency, to achieve a more cost-effective power supply solution.

In conclusion, the LP87333Q1EVM is a versatile evaluation board for evaluating the features and capabilities of the LP87333Q1, used in both DC/DC and AC/DC off-line SMPS applications. With its range of integrated protection features, it provides a reliable and efficient way to perform benchtop testing and evaluation of power management solutions. Also, the board includes a comprehensive set of features for measuring output power, current and voltage, ensuring a high degree of accuracy in the tests.

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