What is Max Current density in Hyperlynx DC Drop analysis?

In HyperLynx DC Drop analysis, the maximum current density is a critical parameter used to evaluate power integrity in PCB designs. It helps identify areas where excessive current flow could lead to voltage drops, heating issues, or potential damage to the board.

Key Factors Affecting Max Current Density

1. Copper Thickness – Thicker copper layers allow higher current density.
2. Trace Width & Shape – Narrow traces concentrate current, increasing density.
3. Via Placement – Poorly placed vias can create bottlenecks, leading to high current density.
4. Power Plane Design – Large, continuous power planes distribute current more efficiently.
5. Component Placement – High-power components should be positioned to minimize localized current density spikes.

HyperLynx DC Drop Analysis Features

• IR Drop Calculation – Evaluates voltage drop across power planes.
• Current Density Mapping – Highlights areas with excessive current flow.
• Pre- & Post-Layout Analysis – Helps optimize PCB design before fabrication.
• Batch Verification – Automates system-wide power integrity checks.