STEVAL-OET003V1

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The STEVAL-OET003V1 evaluation board is a highly efficient Synchronous Rectification DC/DC converter. This small sleek board offers great flexibility in terms of its usage in products, and is suitable for a wide range of applications. The board is powered by STMicroelectronics\' advanced SLLIMM-nano family of integrated power modules.

Application Field

The STEVAL-OET003V1 has a wide application field, and can be used in various state-of-the-art projects and in different types of industrial applications. It is particularly suitable for applications such as:

• Power supplies
• Automotive infotainment signals in hybrid electric vehicles
• Portable and wearable designs
• Industrial machinery

The STEVAL-OET003V1 can also be used in LED lighting designs, photovoltaic systems and dc motor electronic speed controllers.

Working Principle

The working principle of STEVAL-OET003V1 boards is based on synchonous rectification technology. This technology provides power efficiency; it reduces power losses associated with the conversion of current and also reduces the board\'s conversion temperature. Synchonous rectification eliminates the need for an additional synchronous rectifier and thus increases power density due to its small size.

When the board is powered on, the integrated power module (IPM) starts to automatically switch the power between the input and output. The switching frequency of the board can range between 100 kHz and 500 kHz. The operation of the board is optimized for low load currents and minimizes the conversion loss.

The board consists of two insulated coils. A high-side MOSFET and a low-side one. The high-side MOSFET is the primary switch which is controlled by the integrated power module. The low-side MOSFET is responsible for synchronous rectification, which is a process in which both high-side and low-side switches are activated simultaneously. This process is controlled by an oscillator which provides the switching frequency and hence the oscillation of the IPM.

The STEVAL-OET003V1 board is also equipped with other features such as digital control and overvoltage protection. These features can help to protect the board from any system faults and ensure a safe operation.

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