PCB Design Tips For High-Quality Circuit Board
The most common practice for PCB designers is that they tend to focus on the circuit design and component arrangement, which reduce the time for them to design reliable and error-free PCBs. What is the key factor in converting a paper schematic to a functional and reliable PCB board? Let's take a look at some important PCB design tips.
PCB design tips for constrains
The first and foremost factor that should be of concern to design engineers is to optimize the size, shape and number of layers of the PCB. The PCB shape should have enough space for all the components and rails. In addition, multiple levels should be identified to remember that adding layers adds to the price of the PCB. However, do not compromise on the stratum, because there should be enough layers to accommodate all the tracks, especially for complex circuits. Layers at the center for the power and ground planes. PCB constraints should be planned before the major design of the circuit begins. Draw rough sketch of PCB, plan power section, connector section and other blocks, and decide the location of designated component and main track.
PCB design tips for tracks
Roughly draw the track on paper to determine the standard size of the track being designed. Please note that the narrow track is too close. The track should not be too close or too far. Too close to the track may cause the PCB to short-circuit. Too far the track may limit the track in the corresponding area, and additional layers may be required to complete the connection. Use the PCB trace width calculator to determine the track width of the desired current path. This also provides security for printed circuit boards from overheating and other damage.
PCB design tips for components
Select components according to manufacturing and operating environment requirements, such as commercial or military grade. Cross-check each component with a bill of materials to verify the electrical characteristics, values, part numbers, and dimensions. On rough paper, the schematic identifies the location of large components such as connectors. Always place them sideways to simplify the connection and mark them with their pins. Assembled components on the PCB should be a copy of the schematic, so that engineers can easily weld and diagnose errors. Cross-check the polarity of ICs, capacitors, diodes, and other discrete components and make sure the connections are correct. After you finish the layout, print it out and cross-check each track, component and its orientation.