N = 3 · VRM phase landscape

12 V → 1 V / 40 A · three 400 kHz phases · measured native SPICE landscape + 10 separate transient runs
R1E · NATIVE REPORT EXTENDEDPRESCRIBED PHASE TEST
0.00 ms

2D phase landscape · native fixed-phase RMS

φ₂, φ₃ · 144 native SPICE cases
—Lower static ripple → deeper region—
Dots: native gate-edge positions from independent 10 ms tests. Height / map: independent static SPICE sweep.

3D ripple landscape · rotate to inspect valleys

Drag to rotate · scroll to zoom
Lowest sampled static point —Static RMS —
3D dot heights are interpolated from the measured static map. Moving phase coordinates are native gate-derived; height is for display only.

Ten independent cases · measured Vout switching-cycle RMS

Native 2.5 µs cycle RMS · common 0–10 ms time axis
Final target (fixed 30° grid) —RMS after · selected case —

Ten starting conditions

Pick case to inspect Vout
SeedInitial (φ₂, φ₃)Early RMSLate RMS

Vout · absolute native SPICE · interactive zoom

Selected case · 10 ms measured transient · independently zoom X and Y
Drag a rectangle · wheel to zoom · double-click to reset
Selected case 1Absolute Vout —Displayed native measurements —0–10 ms
Native Vout min/max; switching detail from original SPICE rows in marked windowsPhase command ON · 3 msPhase transition complete · 4.8 ms

Vout switching waveform · three measured instants

Selected native trial · same vertical scale · aligned 40 µs windows
Before · 2.700 msDuring · 3.780 msAfter · 8.000 ms

Native gate pulses · three interleaved phases

High-side PWM · measured v(gh1–gh3)
Phase 1Phase 2Phase 3

Vout · before phase command

2.700–2.740 ms · measured native waveform

Vout · after phase transition

8.000–8.040 ms · same voltage scale
Phase command at 3.0 ms · 3.0–4.8 ms transition (18% time span) · common bus · no inter-MCU communication modeledTen real native traces; prescribed phases, not autonomous convergence. Best static grid point ≠ proven global minimum.