PCB Design

Wie bestimme ich die Leiterbahnbreite beim Entwerfen einer Leiterplatte??

  • Trace width and trace (or copper) space go hand in hand for a minimum value.
4/4 Impact yield and increase cost
6tausend With very high yield for most PCB houses
8/8 Besser
12/12 Can be made by PCB houses which is even not good at QA
  • What is the finest pitch of parts? If you are using 0.4mm pitch BGA, you will need very narrow traces. Only for THT you will probably use larger traces.
  • Designing with a grid.In the days of thru-hole with 0.1″ typical component placement pitch, a grid of 0.025″ make routing easier. These days good PCB software will ‘push and shove’ so grid, and trace width/space becomes not important. I have typically routed on a 1 mil grid. Guess how does this effect trace width? The trace + space will equal your grid setting.
  • The most important factors are current carrying requirements and Signalintegrität. You need wider traces for higher current. Use a PCB calculator to determine your requirements or look to an IPC standard. For signal integrity, if you need controlled impedances the trace width will be a critical factor.
  • Last is Kupferdicke.If you use 1/2 oz, 1 oz, 1 1/2 oz, 2 oz, 3 oz, or even higher, the spacing and minimum trace with will increase. Etching is not limited to vertical removal of copper so the PCB manufacturer will have to edit your Gerber (or other) file to compensate.

Weiterlesen: Verschiedene Arten von BGA-Paketen verstehen

#PCB Design

Oliver Smith

Oliver ist ein erfahrener Elektronikingenieur mit Erfahrung im PCB-Design, Analoge Schaltungen, eingebettete Systeme, und Prototypenbau. Sein umfassendes Wissen umfasst die schematische Erfassung, Firmware-Codierung, Simulation, Layout, testen, und Fehlerbehebung. Oliver zeichnet sich durch die Umsetzung von Projekten vom Konzept bis zur Massenproduktion aus, wobei er sein Talent als Elektrodesigner und sein mechanisches Geschick einsetzt.

kürzliche Posts

Why PCB Warpage Happens and How You Can Prevent It?

Im PCB-Herstellungsprozess, PCB warpage is a common problem that manufacturers would encounter.

2 days ago

What Is a PCB Netlist? Alles, was Sie wissen müssen, finden Sie hier

In the world of printed circuit board design and manufacturing, precision and accuracy are paramount.

3 weeks ago

What Is Solder Wetting and How to Prevent Poor Wetting?

Soldering is a cornerstone technique in electronics assembly, it's used to connect electrical pieces and

1 month ago

7 Critical Techniques to Improve PCB Thermal Management

Heutzutage, electronic products are both compact and lightweight while performing a variety of functions. Diese…

1 month ago

What Is BGA on a PCB? A Complete Guide to Ball Grid Array Technology

As technology continues to advance in the electronics industry, packaging remains one of the key

2 months ago

How to Create a PCB Drawing: A Step-by-Step Guide for Beginners

Bringing your electronic ideas to life begins with PCB drawing, which is the process of

3 months ago