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BU90005GWZ-E2-EVK-101

Application Field and Working Principle

Evaluation Boards based on the BU90005GWZ-E2-EVK-101 are easy to use, low cost and versatile components used in various off-line switching mode power supply (SMPS) designs. They enable designers to quickly and easily evaluate the performance and evaluate power fabrics such as AC/DC converters, DC/DC converters, advanced power supply architectures and magnetics design.

The BU90005GWZ-E2-EVK-101 evaluation board is based on the Toshiba BU90005GWZ-E2 DC/DC voltage regulator IC, and has been designed for use in an AC/DC off-line (direct-plug in) power supply circuit. The evaluation board supports a wide range of input and output voltages, ranging from 30V to 110Vin and 5Vout, and has integrated switching and protection features to ensure reliable operation when the device is used in various applications.

The BU90005GWZ-E2-EVK-101 is based on a non-resonant fixed frequency current mode architecture, and is designed to operate in continuous conduction mode (CCM), allowing the device to respond quickly to input voltage changes. The switching frequency is fixed at 500 kHz, which requires a simple external inductor. The BU90005GWZ-E2-EVK-101 is equipped with features such as an on-board linear voltage regulator (LVR) to reduce the input voltage ripple and reduce EMI, an integrated over-load protection circuit and an adjustable soft-start circuit.

The BU90005GWZ-E2-EVK-101 evaluation board is an essential tool for evaluating the performance of the BU90005GWZ-E2 DC/DC voltage regulator IC. The board contains a resonant clock generator that allows the user to adjust the switching frequency and duty cycle of the device to optimize the efficiency of the power supply. Additionally, the board is equipped with two sets of terminals to evaluate the performance of the device when using either a boost or buck topology.

The BU90005GWZ-E2-EVK-101 evaluation board is features a comprehensive set of testing and debugging resources, such as an analog waveform monitor, a power-supply trainable data logger and an on-board USB port for programming and debugging purposes. The analog waveform monitor displays the output waveform of the BU90005GWZ-E2-EVK-101, enabling the user to track and measure their parameters for performance optimization. The power-supply trainable data logger records the device\'s performance metrics while it is in operation, providing a valuable insight into the device\'s operation.

In summary, the BU90005GWZ-E2-EVK-101 evaluation board is a versatile and easy to use component for testing and optimizing off-line AC/DC and DC/DC switching mode power supplies. With its comprehensive testing and debugging resources, it is an essential tool for designers looking to quickly and accurately evaluate their power fabrics.

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