Electronics & Electromagnetics
Tailored workflows for PCB pre-compliance assisting PCB Designers and Analysts.
For less physical prototypes and faster design iterations to more reliable circuit boards.
DCIR PCB Analysis
IR-drop describes the DC voltage that develops across a conductor as a result of its electrical resistance. This voltage is proportional to the current that flows through the conductor; for a given power plane, a larger current will result in a greater IR-drop voltage, and hence a lower voltage available at the load. Such voltage drops can cause device failure or safety breaches, when distributing power across a PCB.
![](https://cdn.leapaust.com.au/wp-content/uploads/2024/04/19163217/DCIR-PCB-1.png)
Obtain voltage distribution of the power planes, indicating how much the local voltage drop is from the power plane rated voltage and whether it is acceptable.
![DCIR PCB Analysis - Current Density Plots](https://cdn.leapaust.com.au/wp-content/uploads/2024/04/19163926/DCIR-PCB-2.png)
Current Density plots give an engineer feedback on the location of current crowding and other bottlenecks. Very high current densities are a safety risk, as they are often coupled with high temperatures rises too.
![DCIR PCB Analysis - Power Density Plots](https://cdn.leapaust.com.au/wp-content/uploads/2024/04/19164118/DCIR-PCB-3.png)
Power Density plots gives an engineer feedback on the location of power crowding.
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