STEVAL-ISA131V2

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Today’s electrical and electronic products have an ever-increasing need for more efficient and reliable power supplies. The problem is that design engineers often lack the time, expertise, and creative solutions to develop the best power supply solution for their applications. Smart evaluation boards like the STEVAL-ISA131V2 can provide invaluable support in quickly realizing a reliable and efficient power supply for a variety of applications.

The STEVAL-ISA131V2 is a flexible and high-performance off-line power supply evaluation board. It belongs to the family of evaluation boards designed for DC/DC & AC/DC (Off-Line) SMPS applications. The board is powered by an STNP5N5Z5L N-Channel Power MOSFET, and it complies with main industrial safety standards. It is used to evaluate an ST high-voltage PFC controller, the STL031N6F7, in an offline PFC boost converter topology.

The evaluation board can work as both an AC/DC flyback converter and AC/DC PFC boost converter. With the selectable Auxiliary Winding Pin in the configuration menu, the board can easily switch between the two modes. Its typical flyback converter application offers up to 600 V/ 18 A line-to-line voltage regulation accuracy.At the same time, an efficiency greater than 93% can be achieved in the typical PFC boost converter application. The output voltage can be adjusted up to 320 V using the configuration menu, but the power output of the board is limited to 30 W due to the few components.

The board’s power components are managed using ST’s proprietary control IC. As a result, the protection features, such as over temperature, output over voltage, current limit, and over power are all built into the control IC. The board also includes multiple connectors, LEDs and potentiometers for quick and easy configuration.

The STEVAL-ISA131V2 provides an effective and reliable solution for AC/DC power supplies. The board’s flexibility and excellent protection features make it a great choice for many different applications. Its evaluation board also provides a great tool for quickly testing and verifying power supply performance, allowing engineers to quickly and easily develop the best power supply solution for their applications.

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