EVM3810-QB-18-01A

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The EVM3810-QB-18-01A evaluation board is a highly-integrated, DC/DC & AC/DC (off-line) SMPS. The board is designed to evaluate ON Semiconductor’s advanced high efficiency power conversion components and give a real world application to verify theoretical simulation. It provides a plug and play solution for users, combining the power stage, control circuitry, and the system sensing components into a single card. This board is particularly useful for power products that are expected to operate in a variety of conditions and requires evaluators to quickly determine output performance and system margin.

The EVM3810-QB-18-01A can be utilized to evaluate the performance of a wide range of power supplies and power systems, including the programmable bidirectional Buck-Boost/Buck in full-bridge topology. It can also be used to experiment with power drivers and control schemes with the maximum output voltage of the topology. Additionally, the board can be used to test and evaluate single supply 100 kHz to 1 MHz digital dimmer systems with both constant current and constant voltage outputs.

The working principle of the EVM3810-QB-18-01A evaluation board is relatively simple. First, the incoming AC supply is stepped down to the desired DC voltage level. This is achieved through a rectification process in which the negative half cycles are squared away, and the positive half cycles are rectified into a DC voltage. During this process, the AC ripples are further smoothed out with an integrated filter stage. This DC voltage is then applied to the primary side of the power conversion stage, which consists of ON Semiconductor’s high efficiency power transistors integrated in the device.

The power conversion stage is further regulated with the integrated pulse width modulation (PWM) controller. This is essential to reduce the output power ripple and improve the overall power system efficiency. The PWM controller is responsible for driving the power transistors of the power conversion stage, and can be programmed according to the desired output settings. The controller is also responsible for detecting output current and voltage levels, and regulating the output to maintain the desired operating point.

The output generated by the power conversion stage is then monitored and different system parameters are evaluated. This is done using the integrated feedback circuitry, which provides closed-loop control of the power conversion stage and allows for precise operation of the board. Measurement probes are used to measure the output voltage, output current, and the output power of the device.

All of these components combined make the EVM3810-QB-18-01A evaluation board a vital tool for research and development in the power conversion industry. The board enables evaluators to quickly measure and evaluate the performance of a wide range of power supplies and power systems. Additionally, it allows users to experiment with a wide range of power drivers and control schemes, with the maximum output voltage of the topology.

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