Introduction This article uses a synchronous step-down converter power IC in an SOP-8 package as an example to introduce the PCB design for power supplies. Related Parameters As mentioned in “Guidelines for PCB Design of DC/DC Switching Power Supplies: Part One”, it is essential to understand the related parameters before starting the design, as shown … Read more
PCBEngineers often find multilayer circuit boards confusing at first glance, especially with layers reaching ten or more, resembling a spider web.Below are several internal structure diagrams of multilayer PCBs, showcasing various stacking structures in a three-dimensional format. 01 The core of High-Density Interconnect (HDI) boards lies in the vias. The processing of multilayer PCB traces … Read more
From 2023 to 2025, Guangdong, as the core engine of China’s PCB (Printed Circuit Board) industry, is undergoing a profound transformation and upgrade. Under the main line of high-end, intelligent, and green development, the regional industrial chain demonstrates strong resilience and innovative vitality. Dual-Driven by Technological Upgrades and Market Expansion 1. Breakthrough in High-End Manufacturing: … Read more
— Hot Analysis — On the evening of June 10, 2025, several automakers announced that they would unify the payment terms for suppliers to be within 60 days. This initiative is a proactive response to the revised “Regulations on Payment for Small and Medium-sized Enterprises” by the State Council, aimed at promoting efficient capital flow … Read more
In the context of intensifying global technological competition and the increasing importance of supply chain security, achieving a full domestic replacement of key software and hardware has become a national strategy and industrial consensus. Against this backdrop, Tactile Intelligence has launched the RK3576 core board, which is the first to adapt to the open-source Harmony … Read more
MTK MediaTek Platform 4G Android Core Board: XY6739CW (Based on MT6739):SupportsUSB 2.0High-Speed Mode; Supports USB OTG XY8766(Based on MT8766):SupportsUSB 2.0High-Speed Mode; Supports USB OTG XY6762(Based on MT6762/Helio P22):SupportsUSB 2.0High-Speed Mode; Supports USB OTG XY8768(Based on MT8768):SupportsUSB 2.0High-Speed Mode; Supports USB OTG XY6765CA(Based on MT6765/Helio P35):SupportsUSB 2.0High-Speed Mode; Supports USB OTG XY6771CZ(Based on MT6765/Helio P60):SupportsUSB 2.0High-Speed … Read more
Introduction: In this revolution of micro-scale manufacturing, templates are discarded, magnetic fields are reinterpreted, and “amber” has become the source of inspiration for structural programming. Image credit: Shan-Gang Wei (Photographer: Wei Shangang) Micro-magnetic-driven flexible devices are crucial for the development and application of minimally invasive medical technology, flexible smart electronic devices, and microrobotics. Despite significant … Read more
UML includes various types of diagrams such as use case diagrams, class diagrams, object diagrams, state diagrams, activity diagrams, sequence diagrams, collaboration diagrams, component diagrams, and deployment diagrams, which are widely used in the stages of requirement analysis, design, implementation, testing, and maintenance in embedded development. The following is a detailed introduction: Requirement Analysis Stage … Read more
The release of the “Opinions” marks a strategic shift in China’s healthcare system from a “city-centered” to a “grassroots-centered” approach. For practitioners, this presents both challenges—shifting from “passively waiting for patients” to “actively building ecosystems”—and opportunities, as policy benefits are accelerating towards grassroots levels. There are significant market gaps in specialty upgrades for county hospitals, … Read more
Click the blue text above to follow us In the wave of fully promoting the construction of a healthy China, to strengthen the leading role of party building in grassroots governance, the Jinghong City Health Bureau and the Jinghong City Yunjinghong Street actively explore a new service paradigm of “Party Building + Medical Care + … Read more