project

12 V to 5 V / 1 A Buck Molecule (TPS54202)

Public Unreviewed

by John Lauer

An independently designed 12 V to 5 V, 1 A synchronous buck molecule (TI TPS54202), with calculations, ngspice and PSpice simulation, KiCad 10 schematic and board, and the board laid out and analysed with adom-aiflow.

moleculepowerbuckdc-dctps542025vkicadadom-aiflow
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clips: 9 clip(s)

John Lauer ·d248adad19 ·7d ago ·parent 022366f
1 file changed +5−3
docs/clips.md+5−3
docs/clips.md+5−3
@@ -14,7 +14,7 @@ Last updated 2026-09-29 14:22 UTC. 9 clip(s). | 6 | Pours rework (back from the Fields solve) | 2026-09-29 12:11 UTC | [10x cut](#clip-6) | ok | | 7 | Thermal analysis, SW throat widened | 2026-09-29 12:43 UTC | [10x cut](#clip-7) | ok | | 8 | Net walkthrough (GND, SW, VIN, VOUT) | 2026-09-29 12:57 UTC | [10x cut](#clip-8) | ok |-| 9 | (not yet described) | 2026-09-29 14:12 UTC | [10x cut](#clip-9) | ok |+| 9 | Silkscreen | 2026-09-29 14:12 UTC | [10x cut](#clip-9) | see note |  ### Clip 1: 3D walkthrough (KiCad 3D viewer) @@ -122,11 +122,13 @@ Contact sheet (nine frames): ![clip 8 contact sheet](docs/clips/window-593052-20  Raw recording: `window-593052-20260929-125701.mp4`, 189 MB, kept with the run (not uploaded). -### Clip 9: (not yet described)+### Clip 9: Silkscreen  <a id="clip-9"></a> -Recorded 2026-09-29 14:12 UTC. +Recorded 2026-09-29 14:12 UTC. Contact functions landing on both faces beside every machine contact (VIN, GND, EN, VOUT, GND, VMON), probe-pad labels (SW, FB, VOUT, GND) and the bottom identity block, each label dry-run against KiCad's DRC before it landed.++> Note: stopped by aiflow's clip guard after 43 min (budget 10 min); no 10x cut or contact sheet was made, the raw recording is kept with the run  Raw recording: `window-724124-20260929-141234.mp4`, 59 MB, kept with the run (not uploaded).