VIPER22ASTR-E Integrated Circuits (ICs)

VIPER22ASTR-E is a fully integrated offline switcher from STMicroelectronics. It integrates a MOSFET driver and a PFC control typically used in ACDC converters applications. It is designed for automotive applications and provides an easy to use and reliable solution for the challenging power architecture.

The VIPER22ASTR-E is designed to provide a reliable and flexible power solution for off-line switching applications, including AC to DC power supplies and auxiliary converters. It provides all the necessary features to achieve the best power efficiency and robustness for various operating conditions. The integrated MOSFET driver provides a high-speed switching frequency of up to 500 kHz to reduce output ripple, while the integrated power factor control (PFC) circuit helps to reduce input current harmonics and improve power supply efficiency.

The VIPER22ASTR-E is optimized for automotive applications, providing a low-cost, reliable, and low-power solution. It integrates a wide range of features to protect both the load and the IC itself from potentially damaging conditions. These features include a thermal shutdown, an adaptive over-voltage protection (OVP), a low-voltage lock-out, and an input under-voltage protection. Additionally, it provides a current-mode PFC control with programmable operating frequencies, making the solution suitable for other applications such as LED lighting, industrial and consumer applications.

The VIPER22ASTR-E can be used in many different AC to DC applications. It can be used in particular to drive motor loads, LED lights and appliances as well as supply power for other applications. The PFC circuit helps to optimize the efficiency of the system by reducing input current harmonics and input current ripple. Additionally, it helps to reduce power losses and allows for maximum flexibility due to the ability to program operating frequencies and the current-mode control. All of these features make the VIPER22ASTR-E ideally suited for a wide range of off-line switching applications.

Overall, the VIPER22ASTR-E is an ideal solution for a wide range of off-line switching applications such as AC to DC power supplies, motor loads and other applications that require a reliable and efficient power solution. Its high-speed switching frequency and features such as thermal shutdown, OVP, and input under-voltage protection provide added protection and robustness compared to other solutions. Combined with its low cost, the VIPER22ASTR-E is an ideal choice for anyone looking for a reliable and efficient power solution.