UCC28513DWR Integrated Circuits (ICs)

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Power Factor Correction (PFC) is a type of power electronics technology that is used to reduce the amount of power lost in power distribution and consumption. It is particularly important for large-scale commercial and industrial applications where high levels of efficiency are needed. The UCC28513DWR is a programmable voltage regulator from TI, suitable for use in power factor correction applications.

The UCC28513DWR is a offline PFC controller that offers low component count, low cost, and high performance. It includes a voltage regulator, voltage loop controller, integrated switch current regulation, output fault detection and control, and voltage measurement based on an external voltage divider. It is capable of controlling both active and passive PFC systems, as well as providing low-cost solution for both AC/DC and DC/DC conversion applications.

The UCC28513DWR’s major features include:

• Integrated voltage regulator
• Integrated voltage loop controller
• Integrated switch current regulation
• On-chip output fault detection
• Voltage measurement based on an external voltage divider
• Low component count solution
• Programmable voltage regulation

The UCC28513DWR is suitable for a range of industrial and commercial applications, including motors, lighting, and power supplies where high efficiency and cost savings are important. It provides a low-cost solution for Active/Passive PFC as well as for AC/DC and DC/DC conversion applications with integrated voltage regulation, voltage loop control, switch current regulation and output fault protection.

The working principle of the UCC28513DWR is relatively simple. It consists of a voltage regulator and loop controller which are used in conjunction to regulate the output voltage of the device. The voltage regulator is responsible for controlling the output voltage, while the loop controller is used to adjust the switching frequency in order to maintain the output voltage at a constant level. This is done by controlling the switching transistors, which are used to switch the power between the source and the load.

When the source voltage falls below a certain value, the loop controller shuts off the power switch so as to reduce the current draw, thus keeping the output voltage at a desired level. On the other hand, when the source voltage rises above a certain level, the loop controller begins to open the power switch to increase the current draw, thus increasing the output voltage. This process continues until the desired voltage is achieved.

In addition to voltage regulation, the UCC28513DWR also offers switch current regulation, output fault detection and control, and a voltage measurement based on an external voltage divider. This allows for greater accuracy in voltage regulation and increased protection against external disturbances, such as overvoltage or undervoltage conditions.

The UCC28513DWR is an efficient and cost-effective solution for applications that require high efficiency and cost savings. It provides low-cost solutions for both Active/Passive PFC and AC/DC and DC/DC conversion applications with integrated features such as voltage regulation, current regulation, output fault protection, and voltage measurement based on an external voltage divider. Its working principle is simple and effective, making it a great choice for industrial and commercial applications where high efficiency is required.

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