During the PCBA processing, electronic engineers may find that although the PCBA boards function normally upon shipment, various quality issues arise unexpectedly after a period of use, leading to returns for repairs. Why does this happen? Firstly, these issues are likely due to the PCBA having aged, which prevents it from operating normally and quickly. … Read more
PMIC News Alliance Update On August 18, 2025, a team of experts from Texas Instruments (TI) visited the Power Management Technology Innovation Alliance Laboratory at Zhejiang University, Yuyuan Campus, to engage in technical exchanges and training on the theme of “Cutting-edge Technologies and Trends in DSP and Applications.” Professor Wu Xinke provided a systematic introduction … Read more
Click the above “Fudan Micro MCU Enthusiasts Community” to follow for more information With the country’s strong push for the electrification, connectivity, intelligence, and sharing of automobiles, known as the “new four modernizations,” the application of semiconductors in automobiles is becoming increasingly common and widespread. According to data from IC Insights, the localization rate of … Read more
From “Old Antique” to Intelligent System: A Record of the Transformation of the S7-400 Rolling Mill Control System in the Metallurgical Industry Do you remember the urgent call I received three years ago? “Engineer Li, the No. 3 rolling mill has stopped again, the old system just can’t hold up anymore!” At that time, I … Read more
The 3D silicon capacitor is a capacitive component manufactured based on semiconductor processes. Its development requires overcoming key technologies such as deep silicon etching, heterogeneous integration of dielectric materials and silicon-based materials, and balancing interface stress caused by differences in thermal expansion coefficients. Geli Micro has successfully developed the compact, high-density, low-parasitic, and highly reliable … Read more
In modern industrial control systems, the reliability of PCBs directly affects the stability and lifespan of the entire system. Industrial environments often face harsh conditions such as high temperatures, high humidity, vibration, and electromagnetic interference, which impose strict requirements on PCB design. This article will explore high reliability design methods for PCBs in industrial control … Read more
01 Introduction In the GJB 9001C quality management system requirements, clear requirements for general quality characteristics are proposed. Generally speaking, the general quality characteristics include reliability, maintainability, testability, supportability, safety, and environmental adaptability, collectively referred to as the “Six Characteristics”. What specific projects does the implementation of general quality characteristics work include? What are the … Read more
Today, I am sharing an article explaining automotive-grade chips. The article is quite long, so you can save it for a slow read. What is Automotive Grade (commonly referred to as automotive-grade)? It is consistent reliability. The moment the car engine starts, it must work in the scorching heat of summer and the freezing cold … Read more
Intelligent connected vehicles have become a key trend leading future development. Among them, chips, as the core components of intelligent connected vehicles, have increasingly highlighted the importance of their functional safety and reliability. How to enhance their assurance has become a focal topic of concern in the industry. Currently, the market scale of intelligent connected … Read more
On December 22, 2023, the “2023 Forum on High-Quality Development of the Civil Explosives Industry” was grandly held in Nanjing, Jiangsu Province, organized by the China Explosive Materials Industry Association. Zhu Jianyong, General Manager of Rongguisi Chuang, was invited to give a keynote speech titled “Enhancing the Safety and Reliability of Electronic Detonators Based on … Read more