This article discusses the PCB layout of a power supply circuit that generates a regulated 3.3 V rail from a small solar cell. My goal in this project was to create a very simple, very compact circuit...
The number of 3G mobile phone users worldwide exceeds 100 million 2006-6-28 According to data released by the Universal Mobile Telecommunications System (UMTS) Forum on June 13, the number of third-g...
1. The bq24650 output voltage is abnormal and cannot be chargedNow I have a problem. The connection of bq24650 is as shown in the figure. The setting is 6V input and 4.2V output. But if the input volt...
When starting a new design, most of the time is spent on circuit design and component selection, and the PCB layout and routing stage is often not considered carefully due to lack of experience.
Failu...