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High brightness LED lamp constant current drive control IC

AP5103 is a high-efficiency, stable and reliable constant-current drive control chip for LED lamps. It has a built-in high-precision relatively large, fixed off-time control circuit, constant-current drive circuit, etc., and is especially suitable for high-power LED constant-current drive....
 

What is a high-speed circuit? How to determine the high-speed signal?

With the large-scale increase in the complexity and integration of circuit system design, the challenges faced by electronic system design are no longer based on hardware tools, but on the operating frequency and signal integrity of transmission lines. Traditional circuit design knowledge can no longer be solved. Coping, this also begins to require electronic engineers to have knowledge of high-speed circuit design, because only by using high-speed circuits can the controllability of the design process be achieved. Today we will talk about what high-speed circuits are? How to determine the high-speed signal?...
 

Temperature zone standard for SMT reflow soldering

The temperature zone standard of SMT reflow soldering, generally speaking, the standard SMT reflow soldering is eight temperature zone reflow soldering. Of course, there are SMT reflow soldering machines in several temperature zones in actual use. This is based on the actual soldered products and SMT patches. It is determined by the actual consideration of the processing manufacturer....
 

Outsourcing of PCB design engineers

With the rapid development of the Internet, many companies have the need for pcblayout design in order to speed up the launch of electronic products and improve their competitiveness. The introduction of PCB engineer talents through PCB engineer outsourcing has been used by a large number of enterprises, such as HUAWEI, DJI, ALIBABA is like that. So why is PCB engineer outsourcing so popular?...
 

Summary of Common Mistakes in PCB Design

Simply put, a PCB is a thin plate with integrated circuits and other electronic components. It will appear in almost every electronic device, and it is the basis of the entire electronic product, so it is particularly important....
 

The harm of counterfeit electronic components to PCBA

Counterfeit products occur in almost every industry. It's no surprise that counterfeit parts are a problem for the electronics industry. While governments, businesses, and other stakeholders have been trying to keep counterfeit products from entering the market in various ways, sometimes they manage to enter the market. These counterfeit parts can cause product performance issues and safety risks....
 

PCB copper laying in circuit board design

The main benefit of laying copper is to reduce the impedance of the ground wire. (A large part of the so-called anti-interference is also caused by the reduction of the impedance of the ground wire). There are a lot of peak pulse currents in the digital circuit, so it is more necessary to reduce the impedance of the ground wire....
 

How to set the temperature of the newly purchased reflow oven

In the process of using a new reflow oven, the most difficult thing to grasp is how to reasonably set the reflow temperature curve. The temperature setting has a great impact on the quality of the product. Let's take a look at how to set the temperature of the newly purchased reflow oven?...