TPS54202 12 V to 5 V / 1 A Synchronous Buck Converter Molecule

@@ -0,0 +1,148 @@+WEBVTT++00:00:00.150 --> 00:00:02.506+Antigravity lives in Hydrogen's AI menu.++00:00:02.556 --> 00:00:04.913+Click the plus, then Manage AIs.++00:00:04.963 --> 00:00:12.934+On the Antigravity row, Install puts in the extension and the command line together, and Sign in starts the login.++00:00:12.984 --> 00:00:18.148+Continue with your own Google account; Gemini 4 Argon needs Google AI Ultra.++00:00:20.150 --> 00:00:20.903+Signed in:++00:00:20.953 --> 00:00:31.750+Manage AIs now shows Antigravity signed in for the extension and the command line, and an Antigravity button appears in the AI threads bar for new conversations.++00:00:31.800 --> 00:00:33.357+Clear its first-run screens:++00:00:33.407 --> 00:00:36.972+agree and get started, then dismiss the welcome card.++00:00:38.150 --> 00:00:40.615+Hydrogen widgets live in the title bar.++00:00:40.665 --> 00:00:43.848+Open the widgets menu and turn on Antigravity usage:++00:00:43.898 --> 00:00:49.236+it shows how much of the weekly quota is used, fourteen percent before this build.++00:00:49.636 --> 00:00:50.517+One sentence:++00:00:50.567 --> 00:00:58.898+make me a twelve volt to five volt buck converter with the TPS54202, use adom-aiflow, and use KiCad.++00:00:59.298 --> 00:01:06.268+Argon follows adom-aiflow's twenty-five steps, and the AI Flow timeline in Hydrogen tracks every one.++00:01:06.318 --> 00:01:08.608+First, the fab's design rules.++00:01:09.008 --> 00:01:13.302+Then the circuit math, every value from the datasheet's own equations.++00:01:13.702 --> 00:01:14.039+Sourcing:++00:01:14.089 --> 00:01:17.132+every part in stock, with a part number.++00:01:17.532 --> 00:01:24.202+Every part has its own page on the Adom wiki, with its 3D model, right here in a Hydrogen tab.++00:01:29.532 --> 00:01:32.407+And the same parts arrive in KiCad:++00:01:32.457 --> 00:01:36.586+symbol, footprint and 3D model, from the board's own library.++00:01:40.532 --> 00:01:43.820+Argon draws the schematic in KiCad:++00:01:43.870 --> 00:01:46.602+thirty-eight symbols, zero ERC errors.++00:01:48.532 --> 00:01:52.125+Before any copper, it simulates the circuit in SPICE:++00:01:52.175 --> 00:01:54.554+start-up, ripple and a load step.++00:01:54.954 --> 00:01:56.523+Placement, part by part.++00:01:56.573 --> 00:02:00.976+Every move is a KiCad bridge call; nobody touches the mouse.++00:02:03.954 --> 00:02:09.544+Routing then finds the switching trace too long, and aiflow sends Argon back to placement.++00:02:09.594 --> 00:02:10.672+Loop back one.++00:02:11.072 --> 00:02:12.894+Two parts move in closer.++00:02:16.072 --> 00:02:25.142+Then routing again, trace by trace and net by net, every track a KiCad bridge call, to zero DRC errors and zero unconnected.++00:02:28.072 --> 00:02:31.550+The current analysis finds a neck in the switching copper.++00:02:31.950 --> 00:02:35.539+So aiflow sends Argon back to the pours to widen it.++00:02:35.589 --> 00:02:36.532+Loop back two.++00:02:36.932 --> 00:02:44.696+The thermal check then finds the inductor's copper running hotter than its budget, and sends Argon back to widen the output pour.++00:02:44.746 --> 00:02:45.762+Loop back four.++00:02:46.162 --> 00:02:49.619+Adom Fields, its own app, solves the real copper:++00:02:49.669 --> 00:03:00.920+current density, heat, temperature, the current flowing, the voltage on every net as a river, and then the energy itself, travelling through the board between the two copper layers.++00:03:03.362 --> 00:03:25.200+Then how fast a change crosses the board, one switching cycle slowed a million times, the charge on the copper, the magnetic field around the hot loop, an EMC screen against FCC class B with fifty-six decibels of margin, the ground return and a possible ground loop through two connectors, the noise couplings, and how stiff each power rail is.++00:03:29.662 --> 00:03:30.914+Then the silkscreen:++00:03:30.964 --> 00:03:35.252+every label, polarity mark and pinout, placed by the AI.++00:03:36.662 --> 00:03:39.636+The finished board in KiCad's 3D viewer.++00:03:50.662 --> 00:03:53.324+And underneath, every contact labeled.++00:03:56.662 --> 00:03:57.068+Finish:++00:03:57.118 --> 00:04:03.452+every check passes, and the Gerbers, the BOM and the pick-and-place file are exported.++00:04:03.852 --> 00:04:05.438+And the finished project page:++00:04:05.488 --> 00:04:13.618+the board in 3D, this film, every part with its icon and where to buy it, the analysis gallery, and every step of the build.++00:04:25.852 --> 00:04:31.562+Start to finish, the whole board used five point six percent of a week of Google AI Ultra:++00:04:31.612 --> 00:04:35.402+about two dollars and sixty cents of a two hundred dollar plan.