SIC461EVB

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The SIC461EVB is an evaluation board targeted for off-line Switch Mode Power Supply (SMPS). It is used in many different applications such as LED lighting, telecom/datacom, computing, industrial, medical, instrument power, servo control and general-purpose power supplies. The SIC461EVB is a robust board designed with DC/DC (also called step up/step down) and AC/DC (also referred to as isolated and non-isolated) SMPS solutions. The board features a wide input voltage range from 8V to 16V and is capable of delivering up to 60W of output power. It features a wide range of control schemes, including sinusoidal pulse width modulation (PWM) and space-vector modulation (SVM).

The SIC461EVB utilizes a Tinyμ MCU-001 MCU, which has multiple components including a CPU, a memory, timers, ADC, UART and PWM modules. The board is equipped with two DC/DC and two AC/DC regulators and has a wide range of features, such as adjustable current limit, soft start, over voltage protection, thermal shutdown and power-saving functions. The board also has a graphical user interface (GUI) with the ability to make set point adjustments, monitor working conditions, and observe changes from environment and device parameters. It also includes a USB connection to a PC or other device for more detailed set up.

The SIC461EVB\'s working principle is that it uses an internal MCU to generate a variety of pulses with varying amplitude and frequency to control the power conversion from the input voltage to the output voltage. The pulses are the controlling signals for the power MOSFETs that make up the power supply system. In DC/DC conversion, the input voltage is stepped up or conditions depending on the type of switch. In AC/DC conversion, the input voltage is converted into an intermediate voltage that is then rectified before being converted again using a control signal to the output voltage.

The SIC461EVB is designed to provide an easy-to-use platform for those who want to quickly develop and test an off-line SMPS design. It is a highly versatile evaluation platform with support for multiple types of controllers and regulation techniques. It provides higher precision than most traditional measurement solutions and allows for easier and more detailed evaluation of the dynamics of power conversion systems. The board can also be configured to operate with various operating modes and different control algorithms. It is an ideal solution for those looking for an efficient and reliable power supply solution.

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