TPS61021EVM-723

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TPS61021EVM-723 is a compact off-line switching regulator Evaluation Module that provides user with a ready-to-use capacitive power solution relying on the TPS61021A Switching Regulator Controller. It is typically used for point-of-load regulation in Medium-Voltage applications such as distributed power systems, industrial equipment, medical applications, LED lighting, and many more. It has an exceptionally high efficiency due to the built-in, robust, high-voltage power MOSFET and a synchronous rectifier.

The TPS61021EVM-723 contains a DC/DC & AC/DC buck regulator evaluation board. It includes two fully adjustable, high-efficiency, 400kHz, synchronous buck switching regulators. The first regulator is a buck regulator, and the second regulator is an AC/DC buck regulator. The regulators have an adjustable switching frequency, ranging from 300kHz to 400kHz.

The TPS61021EVM-723 works through the synchronous buck boost topology, and offers users an output voltage range that is adjustable from 0.8 V to 26 V with the addition of an optional external adjustable resistors of 10 Ω and 1 Ω. It also eliminates the need for an inductor while providing adaptive loop response, adjustable current limit, and over-temperature protection. The evaluation board also comes with a comprehensive user manual.

The TPS61021EVM-723’s working principle is based on the synchronous buck topology. The direct current (DC) input voltage from a battery, power supply, or other source is fed into the buck regulator, which is controlled by an on-board integrated circuit (IC) and generates an output voltage. The main components of the buck regulator are a buck transistor switch; a power rectifier; a high-voltage gate driver; an adjustable voltage reference; and the TPS61021A integrated circuit.

The synchronous buck transistor switch is driven by the high-voltage gate driver to switch on and off at the specific switching frequency. The power rectifier is configured with Schottky diodes that convert the AC voltage to a DC voltage. The adjustable voltage reference circuit is used to adjust the required output voltage. The TPS61021A IC maintains the output voltage stable by controlling the switching frequency and adjusting the output voltage as necessary. The IC additionally provides current-limit protection and over-temperature protection.

The TPS61021EVM-723 is a reliable and efficient DC/DC & AC/DC buck regulator evaluation board. Its compact size, high efficiency, and flexible output voltage range make it an ideal choice for a wide range of applications. The board is designed for low output voltage applications such as distributed power systems, industrial equipment, medical applications, LED lighting, and many more. It eliminates the need for external components, providing users with accurate and reliable performance in a wide range of environments. The board is also easy to use, thanks to its comprehensive user manual.

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