Power Plane Calculator
Analyze power/ground plane resistance & voltage drop
Plane Parameters
Cu Plane
50 mm
50 mm
I →
Analysis Results
Plane Resistance
0.508 mΩ
Voltage Drop
2.54 mV
Power Loss
12.7 mW
Sheet Resistance
0.508 mΩ/□
Max Current
40.8 A
Current Utilization
12%
Partial Inductance
1256.64 nH
Interplane Cap
476 pF
@0.2mm spacing
Operating Temp
35°C
For distributed loads, actual voltage drop varies by position. Use simulation for accurate PDN analysis.
Copper Weight Reference
0.5 oz18 μm
1 oz35 μm
2 oz70 μm
3 oz105 μm
PDN Design Tips
- • Keep power/ground planes adjacent
- • Use multiple vias for current paths
- • Add decoupling caps near loads
- • Avoid splits under high-speed signals
- • Consider copper weight for high current