Objectively speaking, COG、COF、COP are three different packaging technologies for display driver chips in screens, commonly referred to as ‘screen packaging’ in the media. The main application of the three is to achieve the driving control of screens (LCD，OLED) by mobile or television systems, as well as signal connections with other systems such as the mainboard … Read more
The motor driver IC transmits a large amount of current while dissipating a significant amount of electrical energy. Typically, energy is dissipated into the copper areas of the printed circuit board (PCB). To ensure sufficient cooling of the PCB, special PCB design techniques are required. This article provides some general recommendations for PCB design of … Read more
In the process of learning electronics, we often see Printed Circuit Boards (PCBs) and Integrated Circuits (ICs). Many people find it difficult to distinguish between these two concepts. In fact, they are not that complicated. Today, let’s clarify the differences between PCBs and integrated circuits. What is PCB? A PCB (Printed Circuit Board) is an … Read more
With the rapid development of electronic technology, the component density on PCB boards has doubled, and the signal transmission speed has increased, leading to more severe heat accumulation problems. This poses a significant challenge to the heat dissipation performance of circuit boards. If you are still troubled by poor heat dissipation on circuit boards, you … Read more
As a core component of electronic devices, printed circuit boards (PCBs) experience temperature rise phenomena and thermal effects, resulting in heat accumulation that ultimately affects performance. How can we understand the temperature rise phenomenon and thermal effects of PCBs? 1. Causes of PCB Temperature Rise Phenomenon ① Electrical Power Consumption The electrical power consumption on … Read more
Power supply circuits are an important component of electronic products. The quality of power supply circuit design directly affects product performance. The main types of power supply circuits in our electronic products are linear power supplies and high-frequency switching power supplies. Theoretically, a linear power supply provides as much current as the user needs at … Read more
In the manufacturing of printed circuit boards (PCBs), various problems can easily arise, one of which is the falling off of copper foils. If the problem cannot be identified, it will directly affect the quality and reliability of the product. Therefore, this article will analyze the reasons for the falling off of copper foils, hoping … Read more
In the manufacturing of printed circuit boards (PCBs), it is common to encounter solder bridging issues, where unexpected solder connections occur between adjacent pads. This is mainly due to improper pad setup, and if not addressed promptly, it can lead to circuit shorts, affecting normal functionality. So how do you choose pads? Perhaps you can … Read more
The layout and wiring of printed circuit boards (PCBs) are core skills for electronic engineers. It not only concerns the functionality of the circuit but also directly affects the performance and stability of the circuit. This article will directly list the key points for connecting various components on a PCB, helping everyone to master this … Read more
Like many other great inventions in history, the printed circuit board (PCB) as we know it today is built on the foundation of historical advancements. In our little corner of the world, we can trace the history of PCBs back over 130 years, when the great industrial machines of the world were just beginning to … Read more