UCC28517DWR Integrated Circuits (ICs)

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Power Factor Correction (PFC) is a technology used in power electronics to reduce the adverse effects of Power Factor Losses on electrical power systems. It works by ensuring a constant, clean and efficient flow of current and voltage into the power system, eliminating distortion caused by voltage fluctuations. The UCC28517DWR is a device developed by Texas Instruments that meets the Power Factor Correction requirements of many modern industrial and consumer applications.

The UCC28517DWR is an integrated predictive energy management controller, used for AC/DC power Factor correction applications. It uses a bridge rectifier to convert the AC power to a DC power source with a rectified voltage source. It then monitors the input current, voltage, and active power for predictive energy management purposes. It also provides two outputs for controlling two external MOSFETs in an LLC full bridge converter. The control of the two MOSFETs allows for a continuous Power Factor improvement. The MOSFETs are used to control the DC voltage, current, and active power in order to accurately generate the expected real power use.

The UCC28517DWR also provides under voltage lockout protection and over temperature protection to ensure safe operation of the system. It also has a "prewinding" feature, which allows for efficient power factor correction across a range of load conditions. The prewinding feature also avoids current sensing at the rectifier, improving device efficiency. Additionally, soft start and brownout protection are provided to limit inrush currents to the system and prevent system lockups, respectively.

The UCC28517DWR is suitable for a wide range of Power Factor Correction applications, including computers and various home electronics. It can be used in TVs, Digital Video Recorders, DVD players, gaming consoles, laptops, desktop computers, and LCD displays. It is also suitable for energy savings applications such as lighting, UPSs and renewable energy systems. It is suitable for commercial applications such as high efficiency HVAC and factor energy systems.

The UCC28517DWR is a high-performance and high-efficiency integrated PFC controller. It is a silicon-efficient solution for multiple PFC applications and is easily configured for a wide range of output power levels. The device\'s integrated functions reduce the system component count, enable a smaller solution size and provide reliable operation. Its easy integration with systems provides users with fast time to market and an excellent cost-benefit ratio.

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