Residual current, commonly known as leakage current, is an inevitable phenomenon in electrical systems. In electric vehicle charging scenarios, AC, DC, or mixed fault currents can pose fire and electric shock risks. Traditional monitoring devices often struggle to accurately detect DC components, while LEM CDT Series Sensors are designed to address this challenge. LEM CDT … Read more
![Summary of SOC Chip Leakage Current Failure Analysis Case Study [Part B: Layout Manager's Statement]](https://boardor.com/wp-content/uploads/2025/11/9054bde4-5807-4d12-8700-9de644e62290.jpg)
In the previous article “Summary of SOC Chip Leakage Current Failure Analysis Case Study [Part A: Analog Manager’s Statement],” the Analog Manager pointed out that the reason for the SOC failure was the addition of digital buffers to drive analog level signals during the digital layout. So how will the Layout Manager respond? What opinions … Read more
![Summary of Leakage Current Failure Analysis Cases for SOC Chips [Part A: Statement from the Analog Supervisor]](https://boardor.com/wp-content/uploads/2025/11/5c0ec214-7a08-4975-bb86-e2f87e5bd015.jpg)
Hello everyone!Recently, during the testing of standby power consumption for the XXX project chip at our company, it was found that some chips were normal while others exhibited additional leakage current. The leakage current varied significantly between chips, ranging from a few microamperes to 200 microamperes. Moreover, there were some perplexing phenomena; for instance, when … Read more
In the vast knowledge system of embedded hardware, there are many discrete knowledge points that can easily be overlooked. Therefore, this article aims to organize these easily forgotten or misunderstood concepts for reference and learning. The focus will be on the learning of push-pull, open-drain, high-Z state, and pull-up resistors. Basics of GPIO The following … Read more
How to measure leakage current with a multimeter, methods for measuring leakage current with a multimeter. Using the continuity setting of the multimeter, measure between the ground and the circuit being tested. If the meter shows a resistance value, it indicates that there is no insulation. However, in practice, to measure leakage current, a megohmmeter … Read more
1.1 Overview Over the past two decades, the design of complex chips has undergone a series of transformations. In the 1980s, language-based circuit design and synthesis emerged. In the 1990s, design reuse and IP became mainstream design practices. In recent years, low power design has begun to change the way designers handle complex SoC designs … Read more
1.5 The Conflict Between Dynamic Power and Static Power Over the past 15 years, with the development of semiconductor technology, Vdd has decreased from 5V to 3.3V, and from 2.5V to 1.2V. The ITRS roadmap predicts that high-performance devices will use 1.0V in 2008 and 2009, while low-power devices will use 0.8V. The issue with … Read more
Click the above↑↑↑『Electrical Engineering Technical Knowledge Learning』Follow this public account to join the WeChat group for free technical consultations Articles You May Like How to Convert Three-Phase Power to 220V and Create a Neutral Wire More than 60 Brands of Inverter Passwords, Internal Documents Recommended to Keep Collect the Most Comprehensive Electrical Engineering Mnemonics, No … Read more