EVAL5945

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The EVAL5945 is a tool for testing and evaluating off-line AC/DC or DC/DC Switch Mode Power Supplies (SMPS). It contains two main sections – the power evaluation board and the test board. It offers a fast and accurate way of predicting SMPS performance and verifying design assumptions.

Power Evaluation Board

The EVAL5945 power evaluation board allows testing of DC/DC or AC/DC off-line SMPS circuits. It contains all the necessary components to simulate different operating conditions, such as switching frequency, peak current, VOUT and VIN, and can deliver up to 40W of power. The EVAL5945 allows for easy and accurate comparison between proposed designs, resulting in cost effective design implementation and optimization. The board is also compatible with existing controllers, allowing for easy integration into existing parts.

Working Principle

The EVAL5945 operates using a switch-mode topology, with the main components being an insulated gate bipolar transistor (IGBT), a power diode, and a transformer. The IGBT is used to control the switching frequency of the voltage, while the diode provides rectification to deliver the output voltage. The transformer steps the voltage up or down depending on the desired output voltage. The IGBT switching frequency is adjustable, allowing for the precise control of the output voltage. Additionally, the board also contains resistors, capacitors, and inductors to filter the output voltage.

Conclusion

The EVAL5945 is an efficient and reliable tool for evaluation and testing of off-line DC/DC or AC/DC SMPS circuits. It comes with a power evaluation board to simulate different operating conditions, and a test board to evaluate performance and verify design assumptions. The EVAL5945 can be used to easily compare proposed designs to make sure the design output is accurate and economical. The board also provides a fast and accurate way to test different power supply designs.

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