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What are the Differences between Keyboard PCB and Other Types of PCB

2023/09/15 18:04:43

The keyboard plays an important role as a computer peripheral. Its core component: the keyboard PCB, plays a vital role in the performance and stability of the keyboard. It is responsible for converting the user's key input into electrical signals that the computer can recognize. Do you know what are the significant differences between keyboard PCB and other types of PCB?

 

 

 

Lets first take a look at the knowledge about the keyboard PCB:

The design and manufacturing quality of PCB directly affects the electrical performance, mechanical life and lighting effects of the keyboard. Generally speaking, excellent PCB design needs to take into account layout, routing, heat dissipation, signal transmission and other aspects to ensure the stability and performance of the keyboard.

 

 

When buying a keyboard, we often hear terms such as "RGB axis", "hot swapping", and "PBT keycap". These terms are usually related to PCB, such as RGB axis and LED lamp beads, hot swapping is related to the interface design of PCB, and PBT keycap is a common component on PCB. We need to pay attention to the design and manufacturing quality of the PCB, as well as related technical features, to choose a keyboard that suits us.

 

 

The difference between keyboard PCB and other types of PCB:

1. Keyboard PCB usually adopts a four-layer PCB structure, including two signal layers and two power/ground layers. This structure helps reduce the thickness of the keyboard, while also improving the reliability of the device and effectively preventing electromagnetic interference. In contrast, other categories of PCB, such as motherboards, graphics card PCB, etc., usually adopt a structure of six or more layers.

 

 

2. There are relatively few electronic components on the keyboard PCB. Apart from the necessary keyboard controller and LED lights, there are almost no other components. This is mainly because the main function of the keyboard is to implement input, and too many components will increase manufacturing costs and failure probability. Other types of PCB, such as motherboards or graphics cards, need to integrate more chips, interfaces and other functional modules.

 

 

3. The routing on the keyboard PCB is relatively simple. Mainly connect the keyboard controller and LED lights, as well as the necessary power and ground pins. For other types of PCB, such as motherboards or graphics cards, the routing design is more complex and requires the connection of multiple chips, interfaces and other functional modules.

 

 

In general, there are significant differences between keyboard PCB and other types of PCB in terms of design, component count, and routing. This is mainly due to factors such as the keyboard's core functionality, cost control, and simplified design. However, these differences do not affect the key role of the keyboard in computer use.

 

 

HoYoGo is an international, professional, top 15 PCB manufacturer in China, including one-stop service from upstream electronic component procurement to PCB production and processing, SMT patching, PCBA testing, finished product assembly, etc. If you need customized keyboard PCB, welcome to contact us!

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