STEVAL-ISA115V1

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The STEVAL-ISA115V1 Evaluation Board is an AC/DC offline SMPS (switched-mode power supply) designed for variable input voltage ranging from 85 to 265V AC and single output voltage at 5V or 6A. This board is equipped with an STEVAL-ISA115V1 high density offline switching regulator, powered by a L6569A rectifying controller. It is a high performance, energy efficient and cost effective solution for a wide range of applications. The board can be used to evaluate the performance of the STEVAL-ISA115V1 in a wide range of scenarios, from micro-controller based systems to medium power applications.

The STEVAL-ISA115V1 evaluation board features a highly efficient LLC resonant topology that achieves up to 88% full-load efficiency. It also incorporates several protections such as over-voltage and over-current protection, cycle-by-cycle peak current limitation and thermal shutdown. The board has a built-in DC-DC offline control IC which offers an extensive suite of features to enable proper operation of the power stage. The AC input voltage is smoothed by an optimized EMI filter for reduced radiated emissions and conducts noise immunity. In addition, the STEVAL-ISA115V1 evaluation board also features an adjustable soft-start time with maximum current limiting up to 4A and a minimum voltage drop of 2V at full load.

The STEVAL-ISA115V1 evaluation board features a comprehensive control system designed to operate the output stage of the SMPS. A digital control loop is employed to adjust the switching frequency to ensure a regulated output voltage. In addition, the board features a wide spectrum of safety features including adjustable over-temperature protection, under-voltage protection, active-current sharing and over-current protection. The board also provides a comprehensive diagnostic monitor, enabling users to identify potential performance issues and to optimize the performance of the STEVAL-ISA115V1.

To ensure reliable operation of the power stage, the STEVAL-ISA115V1 evaluation board is equipped with an autonomous auto-restart function. This feature enables the board to restart when an output fault is detected. It is also equipped with an array of safety features that protect the board’s components from damage or malfunctioning due to external factors. An integrated self-test function allows users to verify the performance and functionality of the board even during the offline mode.

The STEVAL-ISA115V1 evaluation board is intended for use in a wide range of applications from micro-controller or processor-based systems to medium power applications. It is well suited for use in industrial, commercial and consumer applications, as well as in medical devices and lighting systems. This versatile evaluation board provides an easy way to evaluate the performance of the STEVAL-ISA115V1 in various power supply applications.

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