FT821AA-RT Integrated Circuits (ICs)

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 becoming increasingly important for applications in an ever-changing, regulated environment. As the use of digital devices in electronic devices, industrial equipment and automotive applications continues to increase, the need for improved power factor correction (PFC) becomes increasingly necessary. The FT821AA, a high performance PFC controller, provides an optimal solution for regulating power consumption in these applications.

The FT821AA-RT is designed specifically to control power factor correction (PFC) applications and to ensure a smooth transition from AC power to DC power. It integrates a high performance 8-bit microcontroller, two power factor correction controllers with two MOSFETs, one voltage reference, and two buffered logic levels. It is a highly efficient device capable of operating up to 871 watts.

The FT821AA-RT application’s field of use and working principle is that it has a forward current control, allowing it to measure the input current and accurately control the output current by adjusting the duty cycle, voltage reference and current limit. The forward current control works by continuously measuring the current of the rectified AC and automatically adjusting the output voltage to maintain a constant duty cycle, or conduction ratio. This provides improved power factor correction and higher efficiency. During normal operation, the FT821AA-RT maintains a constant output current and voltage within a certain range depending on the size and type of the PFC application.

The FT821AA-RT has a unique switching arrangement to minimize power dissipation. In addition to its power factor correction, it also offers a range of other features such as current sharing, thermal shutdown protection, overvoltage protection and a wide adjustable voltage range. The FT821AA-RT can also be used in a wide variety of applications, including AC-DC converters, motor drives, battery chargers, high frequency power supplies and LED lighting.

The FT821AA-RT is a highly efficient device, providing numerous benefits to its users. By providing accurate power factor correction, it helps avoid problems such as harmonics, line losses and system instability. The device also reduces power losses due to its highly efficient switching arrangement and wide adjustable voltage range. Furthermore, its thermal protection helps prevent damage from overheating. Finally, its high durability and robust design further improve its service life.

The FT821AA-RT is a powerful and versatile device, well suited for applications requiring optimized power factor correction. With its high performance capabilities, it can ensure a smooth transition from AC power to DC power while also providing efficient power conversion and excellent power factor correction. Its compact size and multiple features further enhance its performance, making it an ideal choice for a variety of applications.

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