IR21571

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

IR21571 is a smart digital-switched power supply controller from Infineon Technologies AG. It combines digital intelligence and precision current-mode drive circuitry to optimize the performance of digital-switched mode power supplies. By using IR21571, manufacturers can reduce their development time and cost in building digital-switched mode power supplies for applications such as LED lamps, daylight harvesting systems, and ballast controllers. This article will discuss the application field and working principle of IR21571.

Application Field of IR21571

IR21571 is a cost-effective controller designed specifically for digital-switched mode power supplies. It is particularly well-suited for applications where dimmable LED lamps, daylight harvesting systems and ballast controllers are used. It can be used in a wide range of applications including:

• Residential lighting – Dimmable LED lamps, strip lights, etc.
• Commercial lighting – Daylighting harvesting systems, ballast controllers, etc.
• Industrial lighting – LED lighting, ballast controllers, etc.

IR21571 is particularly well-suited for applications where dimmable LED lamps, daylight harvesting systems and ballast controllers are used as it provides a high degree of flexibility in terms of power management. It also offers a wide input voltage range, making it ideal for operation in a variety of power supply conditions. Furthermore, it supports both pulse-width modulation (PWM) and direct digital control (DDC) modes of operation, offering the flexibility and efficiency needed in modern lighting applications.

Working Principle of IR21571

IR21571 is based on a “hybrid” controller architecture that combines digital logic and analog circuitry. This allows for efficient conversion of a wide range of input voltages into the desired output voltage. Utilizing a digital algorithm, IR21571 is able to dynamically adjust the waveform shape of the output voltage, which allows for highly efficient control of the power flow and the power output.

IR21571 is ideal for smart digital-switched mode power supplies because of its wide range of functions and its ability to monitor, detect and respond to the current and voltage conditions of the load. This allows for precise control of the output power and ensures a steady and consistent output power despite varying conditions. Furthermore, its high switching speed means that it can respond rapidly to changing input and output voltages and currents. This helps to ensure a high degree of efficiency in power management.

In addition, IR21571 features several advanced protection features such as over-temperature protection, short-circuit protection and over-voltage protection. These features help ensure safety during operation and prevent power loss in case of an over-voltage or over-current situation. Additionally, IR21571 supports a variety of communication protocols such as I2C and DACC, allowing for easy integration into existing systems.

Conclusion

IR21571 is an ideal choice for power supplies that require high levels of efficiency and flexibility. It can be used in a wide variety of applications from residential lighting, to commercial lighting, to industrial lighting. It features a wide input voltage range, advanced protection features and supports both PWM and DDC modes of operation. This makes it ideal for building power supplies that require precise control of power flow and output power. As its features and functions are tailored specifically for digital-switched mode power supplies, IR21571 is an ideal choice for building a reliable, efficient and cost-effective power system for lighting and ballast controllers.

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