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

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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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Delete kicad/rules/inhouse-2L.kicad_dru

John Lauer ·24e90c92a0 ·6d ago ·parent d60253f
1 file changed −35
kicad/rules/inhouse-2L.kicad_dru−35
kicad/rules/inhouse-2L.kicad_drudeleted−35
@@ -1,35 +0,0 @@-(version 1)--# In-house fab, 2-layer, 1.6 mm FR4 (buck-12v5v-molecule)-# Minimums: track 0.1 mm, clearance 0.1 mm, drill 0.15 mm, via pad 0.25 mm,-# via annular ring 0.1 mm, pad annular ring 0.18 mm, copper-to-edge 0.2 mm, hole-to-hole 0.2 mm.-# This design uses more margin by default: 0.15 mm clearance, 0.2 mm signal tracks, 0.45/0.2 mm vias.--(rule "min-track-width"-  (constraint track_width (min 0.1mm))-  (layer "*.Cu")-  (condition "A.type == 'track'"))--(rule "min-clearance"-  (constraint clearance (min 0.1mm)))--(rule "min-hole"-  (constraint hole_size (min 0.15mm)))--(rule "min-via-diameter"-  (constraint via_diameter (min 0.25mm))-  (condition "A.type == 'via'"))--(rule "via-annular"-  (constraint annular_width (min 0.1mm))-  (condition "A.type == 'via'"))--(rule "pad-annular"-  (constraint annular_width (min 0.18mm))-  (condition "A.type == 'pad'"))--(rule "edge-clearance"-  (constraint edge_clearance (min 0.2mm)))--(rule "hole-to-hole"-  (constraint hole_to_hole (min 0.2mm)))