UCC28881EVM-680

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The UCC28881EVM-680 is an evaluation board allowing designers to evaluate Texas Instruments\' UCC28881 single-phase-diode-bridge controller using a 680W forward converter. It is designated for use in DC/DC & AC/DC (Off-Line) SMPS applications.

The UCC28881 controller is the first in the second generation of diode bridge controllers that offer a variety of protection features such as overcurrent, overvoltage, extended VCC voltage range, and cycle-by-cycle current limit. It offers a wide range of compensation design for a variety of topologies including forward, flyback, and isolated-supply systems.

This evaluation board is optimized for use with the TPS5410 dc/dc converter solution with up to 680W power delivery. It offers a comprehensive set of features including adjustable over current protection, adjustable over voltage protection, and adjutable deadtime. This evaluation board supports buck, buck-boost, and flyback converter topologies. In addition, it utilizes low cost and commonly available external components to reduce overall system costs.

This evaluation board works by supplying a fixed voltage on the primary side of the converter which is then converted and regulated to a different voltage on the secondary side. The UCC28881 controller regulates the output voltage by adjusting the duty cycle when the output voltage falls below the desired level. When the output voltage rises above the desired level, it turns off the switch at the end of the cycle.

To ensure a smooth transition of all output voltages, the board includes specially designed compensation components such as resistors, capacitors, and inductors. These components are strategically placed to ensure the output voltage regulation is stable even in a noisy environment.

The UCC28881EVM-680 evaluation board is a great tool for designers to evaluate the performance of the UCC28881 controller and to determine the most suitable topology, components and settings for their specific application. Furthermore, the flexible design of this board allows for the evaluation of various topologies and to maximize the performance of the UCC28881. This board is a valuable tool for any designer looking to take advantage of the benefits of the UCC28881 controller in their design.

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