Darfon Electronics is the world's top two LCD TV backlight module inverter and notebook keyboard manufacturers. Darfon Electronics was founded in 1997. Adhering to the corporate culture of "being down-to-earth, pursuing excellence, and caring for society" and positioning itself as an "expert in optoelectronics and precision components", it focuses on the research and development of peripheral components, power components, and integrated components, as well as product services.
[i=s] This post was last edited by okhxyyo on 2015-6-15 09:42 [/i] ~~~~~ I finally got the prize after waiting for so long~~ The TE event had announced the winning information a long time ago, but due...
Dear experts, I have recently encountered a strange problem. After the board is powered on, the boot loader starts normally, but there will be problems when entering the app, and the program cannot wo...
DC-DC chips have current control mode and voltage control mode? How to understand?
Question 1: Is the voltage control mode understood as constant voltage control? Is the current control mode understoo...
As shown in the figure below, there are a few points that I don't quite understand: 1. The common-mode signal of the common-mode drive comes from the voltage division of two 2MΩ resistors to obtain th...
The switching power supply with 220V AC input and 24V4A output has an output voltage of about 42V when it is unloaded and lightly loaded, and the power supply itself generates a lot of heat. The power...
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]
With the continuous development of integrated circuit technology, integrated circuits have developed from thousands of gates to the current level of millions and tens of millions of gates. The applica...[Details]
The Challenge:
Improving Siemens Wind
Turbine Controls
System software automated testing for regular releases, validating wind turbine control system components during the developme...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]
Infineon's ICL8001G adopts a single-stage flyback and PFC controller with quasi-resonant operation mode, with a power factor greater than 98%, LED driver efficiency up to 90%, an operating voltage up ...[Details]
With the reform of the education system, the proportion of funds invested in teaching facilities by colleges and universities has become increasingly important. As the most basic hardware condition fo...[Details]
Pure C51 reset function: A junior student, who makes people love and
fear The single-column reset part is as follows:
main()
{
unsigned char code rst ={0xe4,0xc0,0xe0,0xc0,0xe0,0x32}; ...[Details]
LED display screens need to be controlled by a control system based on an application-specific integrated circuit (ASIC). Companies such as Maxin, Agilent and Toshiba are the world's major manufact...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]