POWER INTEGRITY AND EMI (Coming soon)

Causes can be subtle, but you can avoid a lot of PI and EMI trouble with eCADSTAR Power Integrity and EMI Analysis.
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FAST EMC VERIFICATION

  • Fast EMC noise source identification with what-if capabilities.
  • Complete board EMC screening, worst case EM emission prediction.
  • Based on industry-accepted R&D approach (UMR EMC Expert System Consortium).
  • Fast algorithms to analyze: Differential Mode Radiation (DM), Common Mode Radiation (CM), and Power Bus Noise (PB).
  • Display heatmap EMI estimation results directly on eCADSTAR PCB Editor canvas.

eCADSTAR 2020 power integrity PI

EMI COUPLING MAP

eCADSTAR 2020 Release PI POwer integrity

DC VOLTAGE – PI/EMI ANALYSIS RESULT DISPLAY

POWER INTEGRITY AND EMI ANALYSIS – DC

  • Numerical frequency-domain solver (2.5D approach) for DC and IR-Drop analysis with user-controlled meshing density.
  • Allows analysis of arbitrary/irregular PWR/GND shapes.
  • DC voltages, IR-Drop, and Current Density.

POWER INTEGRITY AND EMI ANALYSIS – AC

Numerical power integrity solver for AC analysis.

  • Frequency Domain Target Impedance Analysis (FDTIM).
  • Decoupling analysis.
  • Parametric studies to optimize board decoupling.
  • Change decoupling capacitor values and parasitic, turn them ON/OFF for what-ifs.
  • Add virtual decoupling capacitors at user-defined board positions.
  • Impedance distribution display for user-selected frequencies (heatmap display on eCADSTAR PCB Editor canvas)
  • Cross probe result diagrams and pin-locations between PI/EMI Analysis tool and PCB Editor.

pi impedance-map

PI VOLTAGE

eCADSTAR 2020 PI DC Analysis

PI DC VOLTAGE

DC SIMULATION: IC POWER-PIN VOLTAGE AND PDS VIA CURRENTS

  • Computation of the max current and the voltage drops of the PDN via’s à identify problematic vias, current thresholds pinpoint to problem areas, via figure changes for what-if experiments.
  • Max. via currents displayed in the table view.
  • Integration and cross-probing into eCADSTAR main canvas (2D/3D) pinpoints to critical board areas.