project
12 V to 5 V / 1 A Buck Molecule (TPS54202)
Public Unreviewedby 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.
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aiflow run buck-12v5v-molecule-claude-opus-5-5-20260929-0039: thermal
3 files changed
+26−9
docs/runs/buck-12v5v-molecule-claude-opus-5-5-20260929-0039/README.md+26−9@@ -1,6 +1,6 @@ # AI Flow run: claude-opus-5.5 on board-0 -**Running**: step `pours`, 176.8 min of AI time since the prompt (677.9 min on the wall clock). This page updates at every step change.+**Running**: step `thermal`, 191.6 min of AI time since the prompt (692.7 min on the wall clock). This page updates at every step change. Prompt at 2026-09-29T00:39:00Z (UTC). Flow: board. Every number here is from the run's append-only ledger (run.jsonl). AI time is the time the AI was working on a prompt: from the human's prompt to the AI's done, with any gap over 15 min where no command ran (unobserved, not proven idle) cut out. @@ -10,8 +10,8 @@ One row per human prompt: the AI's time on it, unobserved gaps excluded by the h | Session | Prompt at | Done at | AI time min | Unobserved gap min | What | |---|---|---|---|---|---|-| 1 | 2026-09-29T00:39:00Z | (open) | 176.8 | 501 | the first prompt |-| **all** | | | **176.8** | | |+| 1 | 2026-09-29T00:39:00Z | (open) | 191.6 | 501 | the first prompt |+| **all** | | | **191.6** | | | ## Per step @@ -21,14 +21,15 @@ AI time only, the idle cut out. |---|---|---|---|---|---|---|---| | intake | 92.9 | 91.9 | 1.0 | 4 | 1 | 0 | 90.9 min | | placement | 14.9 | 4.3 | 10.6 | 11 | 1 | 0 | 2.3 min |-| routing | 43.4 | 0.0 | 43.4 | 4 | 1 | 1 | 0.0 min |-| pours | 3.3 | 0.0 | 3.3 | 13 | 2 | 1 | 0.0 min |-| current | 0.0 | 0.0 | 0.0 | 1 | 0 | 0 | 0.0 min |+| routing | 55.4 | 0.0 | 55.4 | 4 | 1 | 1 | 0.0 min |+| pours | 6.1 | 0.0 | 6.1 | 26 | 2 | 1 | 0.0 min |+| current | 0.0 | 0.0 | 0.0 | 2 | 0 | 0 | 0.0 min |+| thermal | 0.0 | 0.0 | 0.0 | 1 | 1 | 0 | 0.0 min | | components | 4.5 | 4.4 | 0.1 | 2 | 1 | 0 | 4.4 min | | libraries | 11.4 | 8.6 | 2.9 | 1 | 1 | 0 | 8.6 min | | models | 6.3 | 5.4 | 0.9 | 3 | 1 | 0 | 5.4 min | | other | 0.0 | 0.0 | 0.0 | 1 | 0 | 0 | 0.0 min |-| **total** | **176.8** | **114.6** | **62.2** | | | | |+| **total** | **191.6** | **114.6** | **77.0** | | | | | ## Returns to earlier steps @@ -44,9 +45,11 @@ AI time only, the idle cut out. - 2026-09-29T11:31:59Z clip guard: the pours clip ran 514 min, past its 15 min budget twice over; stopped by the guard - 2026-09-29T11:33:00Z clip-start:routing-1 - 2026-09-29T11:56:50Z clip-start:pours-2+- 2026-09-29T12:11:39Z clip-start:thermal-1 ## Where the board stands +- analyze-current: fail ## The steps on camera @@ -114,15 +117,29 @@ Why the AI came back here: Fields: SW neck 215 A/mm2 at U1.2; U1 +51 C still air  +**Screenshot: the board when pours, visit 2 (rework) ended.**++++### thermal++What this step does: copper and vias at every hot tab against the rise budget; then the AI's own temperature rise drawing and a walkthrough of the pours it judged++**Clip: thermal, still recording (started 2026-09-29T12:11:39Z); it appears here when the step ends.**++**Screenshot: the board when thermal began.**+++ ## Plan usage, the second cost line Percent of each plan limit used, as the provider reports it, at the start of the run and at its end. | Provider | Limit | At start | At end | Used by this run | |---|---|---|---|---|-| claude | 5h | 4 % | 3 % | -1.0 % |+| claude | 5h | 4 % | 4 % | 0.0 % | | claude | Fable | 0 % | 0 % | 0.0 % |-| claude | week | 7 % | 9 % | 2.0 % |+| claude | week | 7 % | 10 % | 3.0 % | | codex | week | 2 % | 4 % | 2.0 % | *The limits are per account, not per run: every AI thread signed in as this user draws on the same numbers, so a run made while other threads were working shows their usage too. Read it as an upper bound unless this run was the only thread active.*
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