TPS5401EVM-708

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Evaluation boards are used to demonstrate the capabilities and features of various electronic components for specific applications. The TPS5401EVM-708 evaluation board is a DC/DC & AC/DC (Off-Line) SMPS, which is designed to evaluate the functional performance of Texas Instruments’ Power management TPS5401EVM synchronous buck controller IC. The evaluation board provides a convenient way to quickly evaluate and prototype buck power supply designs. This board is suitable for applications including solar-powered generators, battery management systems, automotive battery chargers, industrial power supplies, lighting, and more.

The TPS5401EVM-708 evaluation board comes equipped with TI’s SystemPACK® and TPS5401EVM synchronous buck controller IC. The TPS5401EVM is a high-performance synchronous buck controller with integrated drivers, high-side and low-side power MOSFETs, and a wide operating input voltage range from 6V to 40V. In addition, the board also features a dual-phase current mode, current sense, over-current protection, output protection, over-temperature protection, and more. The board also offers adjustable output voltage, adjustable current limit, and adjustable soft start time.

The working principle of the TPS5401EVM-708 evaluation board can be broken down into several distinct stages. Firstly, the voltage input is first converted into an analog signal, using a voltage regulator, before it is passed to the buck controller TPS5401EVM. This controller then controls the high and low side MOSFETs in order to generate a predetermined output voltage. The output voltage is monitored and adjusted based on the current consumed by the load.

The MOSFETs are controlled via the TPS5401EVM\'s internal current mode control and pulse frequency modulation (PFM) architecture. In addition to controlling the output voltage, the TPS5401EVM also features a built-in over-current protection circuit which limits the maximum current drawn by the load. This is achieved by monitoring the voltage drop across the sense resistor and activating the high and low side MOSFETs in order to reduce the output voltage and control the current drawn by the load.

The TPS5401EVM-708 evaluation board is an excellent tool for evaluating the performance of Texas Instruments’ TPS5401EVM synchronous buck controller IC. The board demonstrates the capabilities of the IC, such as wide input voltage range, adjustable output voltage, adjustable current limit, over-current protection, and more. This evaluation board is suitable for a wide range of applications including solar-powered generators, battery management systems, automotive battery chargers, industrial power supplies, lighting, and more.

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