With the rapid development of intelligent power systems, the stability and safety requirements of circuit breakers are increasing day by day. As an intelligent upgrade of the power grid, smart grid is based on efficient two-way communication networks, advanced sensing and measurement technologies, advanced equipment technology and control methods, and advanced decision support systems to achieve a reliable, safe, economical and efficient power grid. run. In order to meet the needs of smart power equipment, control chips need to have higher performance.
The new generation of smart circuit breakers needs to have functions such as fault diagnosis, harmonic analysis, health status management, ubiquitous IoT and edge computing. The MCX N94x series MCU launched by NXP adopts a dual-core M33 design and supports AI core functions, giving circuit breaker fault prediction, learning and intelligent AC arc detection capabilities. At the same time, it is equipped with the eIQ Porta tool to help customers train artificial intelligence models and improve the intelligence level of circuit breakers.
MCX N94x adopts a dual-core design that separates communication and control logic from real-time protection algorithms, providing performance and cost advantages. Compared with the dual MCU solution used in some traditional frame circuit breaker products, the dual-core architecture MCU has higher core communication speed and efficiency. In addition, innovations in software architecture have improved the reliability and real-time performance of circuit breakers’ protection algorithms, while also enhancing the realization of non-real-time functions.
In order to meet the requirements of functional safety standards, MCX N94x MCU provides a functional safety library to facilitate users to quickly integrate relevant functions and ensure the reliability of circuit breaker software and hardware. Through functional safety deployment that complies with the IEC61508 standard, circuit breakers can effectively reduce the probability of errors under strong electromagnetic interference, ensure the reliability of system software functions, and avoid malfunctions and false protections.
NXP MCX N94x MCU has core technologies such as high-performance SoC architecture technology, low power consumption technology, digital-analog hybrid design architecture technology, high reliability technology and security technology. It is suitable for various industrial occasions and promotes the continuous development of intelligent circuit breaker technology. Innovation.