DCPA10505DEVM-868

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DCPA10505DEVM-868 Evaluation Boards are part of a series of DC/DC & AC/DC (Off-Line) SMPS systems and are designed to provide a platform for users to measure and test end-to-end performance. It includes an on-board transformer, integrated rectifier diode, input transformer, output power transistor and high voltage DC-link capacitors.

DCPA10505DEVM-868 Evaluation Boards are used in a variety of applications and are particularly well-suited for industrial, medical, and networking power solutions. They also offer features that enable efficient power production, such as integrated active clamps, isolated feedback systems, demagnetization control, and overvoltage or overcurrent protection.

The DCPA10505DEVM-868 Evaluation Boards feature topology-specific functionality which are optimized for output power and efficiency. The units are designed with an adjustable external clock source and feature integrated digital isolators which minimize power conduction losses. The boards also have four-level hybrid PWM controllers and low gate-drive resistor losses.

In terms of working principle, the Evaluation Boards start with an input transformer and ac mains voltage supply. This supply is passed through a rectifier diode to transform the AC voltage to a DC voltage. During this process, a power transistor is used to control the current flow in the unit and helps to regulate the output voltage. The DC voltage is further processed by a PWM controller, which controls the current and voltage levels of the output power.

The output power is then further rectified, and is continuously monitored by feedback circuits for over/under voltage and over current protection. These control loops then adjust the switching frequency in order to ensure output power is consistent. This constant switching ensures the highest efficiency of the unit and also allows for better control of the power factor.

Additionally, a demagnetization control system is included in the DCPA10505DEVM-868 Evaluation Boards, which helps protect the transformer core and windings against the effects of demagnetization. This system initiates the green-mode switching of both the input and output stages, which reduces the switching losses and helps maintain optimal efficiency.

Finally, the DCPA10505DEVM-868 Evaluation Boards include integrated active clamps which help minimize turn-on losses. This technology allows for high-efficiency turn-on switching of the power output, and allows the user to use the board with the minimum number of components necessary.

Overall, the DCPA10505DEVM-868 Evaluation Boards are an excellent solution for DC/DC & AC/DC (Off-Line) SMPS systems, and offer a wide range of features that ensure end-to-end system efficiency and performance. With its adjustable clock source, integrated digital isolators, and dual protection against overvoltage and overcurrent, the DCPA10505DEVM-868 Evaluation Boards provide the user with a reliable and highly efficient power solution.

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