UCC2817PWG4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Power Factor Correction (PFC) is an important element of Power Management Integrated Circuit (PMIC). PMICs are used to provide efficient, high-performance, and low-cost power conversion solutions for a variety of power-sensitive applications.

The UCC2817PWG4 is an improved version of the UCC2817PWG3 integrated circuit from Texas Instruments. This IC is a controller for an AC to DC bridgeless PFC, and is specially designed to minimize system cost and overall solution size.

The UCC2817PWG4 is suitable for use in applications such as power supplies, chargers and adapters, eco-friendly appliances, telecommunication systems, and industrial products.

The chip uses a two-loop control architecture to provide an excellent PFC with low parts count and minimum overall system cost. The two-loop architecture utilizes both a constant on-time (COT) control loop and a Voltage Error Amplifier (VEA) control loop.The COT control loop is responsible for controlling the AC ramp and phase in order to achieve the desired power factor. The VEA control loop is responsible for controlling the output voltage based on the boost inductor voltage and power factor.

The UCC2817PWG4 features internal overvoltage protection and can also be used to control external MOSFETs to provide overload protection. It also has an automatic restart function which can restart the chip after a short-circuit condition. Additionally, it has adjustable switching frequency and includes a synchronous rectifier controller to optimize efficiency.

The UCC2817PWG4 is an excellent choice for power factor correction in a variety of applications. Its two-loop control architecture minimizes overall system cost and the parts count, and its robust protection features ensure reliable operation in various environments. Furthermore, its adjustable switching frequency and synchronous rectifier controller help to optimize efficiency and reduce system cost.

The specific data is subject to PDF, and the above content is for reference