component
AP3441SHE-7B
Public Made by Adomby adom
Diodes Incorporated Voltage Regulators - DC DC Switching Regulators, DFN2020-8-EP. KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179
{
"schema": "adom/verification@1",
"part": "AP3441SHE-7B",
"variants": [],
"entries": [
{
"date": "2026-10-08",
"by": {
"name": "Claude (AI build)",
"handle": "claude"
},
"status": "superseded",
"title": "Automated build checks (awaiting human validation)",
"scope": [
"symbol",
"footprint",
"3d",
"pins"
],
"variants": [
"*"
],
"checks": [
{
"text": "Footprint extracted pad-for-pad from the source board and normalized to the footprint frame (back-side parts un-mirrored)",
"result": "pass"
},
{
"text": "3D model seated z=0 at footprint origin (placement inverse; method centroid-matched to KiCad library models on 59 cases)",
"result": "pass"
},
{
"text": "adom-lbr generate + lint passed",
"result": "pass"
},
{
"text": "8 of 9 pins described from the datasheet (adom-ds2sf, page-cited)",
"result": "note"
},
{
"text": "Not yet checked by a person: land pattern vs datasheet, pin-1/orientation, 3D body vs drawing",
"result": "note"
}
],
"evidence": [
{
"label": "datasheet",
"href": "docs/ap3441she-7b-datasheet.pdf"
}
],
"files": {
"ap3441she-7b.kicad_sym": "3ddca62ef541dbee39ac4d95c3f3ac3bcd44f0e6cbf8eaf247b774b8508b1af3",
"ap3441she-7b.kicad_mod": "5fe2b271f978525cb4d4cc684ef8a3513b5315b72c0ef95c24d1dc51b7d90d31",
"ap3441she-7b.step": "6fa3d9c73be1324e48a2bfab0712bbc4f7299c813a5c719f6c355515f8b7283a"
}
},
{
"date": "2026-10-08",
"by": {
"name": "Claude (AI build)",
"handle": "claude"
},
"status": "superseded",
"title": "1 of 9 pins have no datasheet description yet (pins 9).",
"scope": [
"review"
],
"variants": [
"*"
],
"checks": [
{
"text": "1 of 9 pins have no datasheet description yet (pins 9).",
"result": "note"
}
],
"evidence": [],
"files": {}
},
{
"date": "2026-10-08",
"by": {
"name": "Claude (AI build)",
"handle": "claude"
},
"status": "superseded",
"title": "Datasheet pins not matched to a symbol pin: EP",
"scope": [
"review"
],
"variants": [
"*"
],
"checks": [
{
"text": "Datasheet pins not matched to a symbol pin: EP",
"result": "note"
}
],
"evidence": [],
"files": {}
},
{
"date": "2026-10-27",
"by": {
"name": "Claude, at Caleb Taylor's request",
"handle": "claude"
},
"status": "verified",
"title": "Validated against Diodes Incorporated's AP3441/L datasheet (DS39754 Rev. 3 - 2, September 2019); 3D model rebuilt to the package drawing",
"scope": [
"symbol",
"footprint",
"3d",
"pins"
],
"variants": [
"*"
],
"checks": [
{
"text": "Datasheet: the page's LCSC copy is byte-identical (sha256 c159ff21...) to Diodes' current file at diodes.com/datasheet/download/AP3441.pdf, DS39754 Rev. 3 - 2 September 2019; source tier moved to mfr",
"result": "pass"
},
{
"text": "Pins 1-8 match the Pin Descriptions table and the U-DFN2020-8 (Type E) top-view pin assignment (p.1-2); pin 5 renamed nc -> NC; pin 9 (the footprint's centre pad) is the table's EP 'Exposed Pad', named EP",
"result": "pass"
},
{
"text": "Pin types from the table: FB input (was passive), PG open-drain, VIN/PGND/SGND power, NC no_connect, LX power_out (switch node), EN input, EP passive (no internal connection; tie to the ground plane for heat)",
"result": "pass"
},
{
"text": "Descriptions are the Pin Descriptions table wording (p.2), VIN range from p.1; pin 9 described",
"result": "pass"
},
{
"text": "Footprint vs package outline and Suggested Pad Layout (p.12): 8 pads 0.50 x 0.30 mm on e = 0.50 mm, centres +/-0.90 mm as the suggested layout (Y 0.50, Y2 2.30); pad width 0.30 vs suggested X 0.35, covers b 0.20-0.30; exposed pad 1.05 x 1.75 mm vs E2 0.80-1.00 x D2 1.60-1.80 (suggested Y1 1.00 x X1 1.80); EP-to-pad gap 0.125 mm vs suggested G 0.15; pin 1 top-left as the p.1 top view",
"result": "note"
},
{
"text": "DigiKey AP3441SHE-7BDITR-ND and Mouser 621-AP3441SHE-7B confirmed as AP3441SHE-7B by Diodes Incorporated (2026-10-27)",
"result": "pass"
},
{
"text": "3D source: tier 1 none (diodes.com part and package-outline pages answer curl (browser headers) and WebFetch with a Cloudflare challenge (HTTP 403); the datasheet links no STEP. No manufacturer STEP retrievable (2026-10-27).) Tier 2 rejected (KiCad DFN-8-1EP_2x2mm_P0.5mm_EP1.05x1.75mm.step: 0.92 mm tall; VDFN-8-1EP_2x2mm_P0.5mm_EP0.9x1.7mm.step: 0.77 mm tall; A 0.50-0.60: both out of tolerance.) Tier 3: model rebuilt with the KiCad 3D model generator (gitlab.com/kicad/libraries/kicad-packages3D-generator, commit e272fcc8) from Diodes Incorporated AP3441/L datasheet DS39754 Rev. 3 - 2, September 2019, Package Outline Dimensions U-DFN2020-8 (Type E), p.12; marking drawing p.11; parameters in provenance/3d-generator-params.yaml; Adom-authored, CC-BY-SA-4.0",
"result": "pass"
},
{
"text": "3D body vs drawing: body 1.98 x 1.98 mm (the generator insets the body by A1 from 2.00), leads reach 2.00: D/E 1.950-2.075: pass; overall height 0.56 mm (etched 0.565): A 0.50-0.60: pass; standoff 0.02, terminal thickness 0.203: A1 0.00-0.05, A3 0.203: pass; terminals 0.25 x 0.30 at e 0.50, outer edges at x = +/-1.00: b 0.20-0.30, L 0.25-0.35: pass; exposed pad 0.90 x 1.70 mm (x by y, long side along the terminal rows), 0.2 mm chamfer at its pin-1 corner: E2 0.80-1.00, D2 1.60-1.80: pass; terminals at x = -0.85 (y +0.75..-0.75) and +0.85: on footprint pads 1-4 (x -0.9) and 5-8 (x +0.9); pin-1 dot on top at (-0.62, +0.62) mm (KiCad (-0.62, -0.62)), next to pad 1: pass",
"result": "pass"
},
{
"text": "3D pose: ap3441she-7b.step and ap3441she-7b-etched.step are Z-up, seated on z = 0, centred on the footprint origin (offset 0.0 mm), footprint (model) binding identity (step_pose.py); the source was built in the footprint frame, so the transform is identity; the etched file adds the adom-chip-laser MPN inlay on the top face; GLBs from step2glb convert; footprint (model) path now ${KIPRJMOD}/ap3441she-7b.step with only that line changed (pads untouched); provenance/3d-model.json records source, terms, hashes, transform and checks",
"result": "pass"
},
{
"text": "Symbol Datasheet / MPN / Manufacturer / DigiKey / Mouser / LCSC properties agree with page.json; footprint Datasheet property points at the manufacturer datasheet URL",
"result": "pass"
},
{
"text": "component-page-verify: all checks pass",
"result": "pass"
}
],
"evidence": [
{
"label": "datasheet (Diodes Incorporated, DS39754 Rev. 3-2)",
"href": "https://www.diodes.com/datasheet/download/AP3441.pdf"
}
],
"files": {
"ap3441she-7b.kicad_sym": "c4b613e9f55ab4b0ac8e4579846309d94f97bcabba7b8346f60e75cc7f33ad8d",
"ap3441she-7b.kicad_mod": "94a6c0ba5f9f7d2eee42fe9be34a6aef5540c853dec49a8d013d8ff514294fe4",
"ap3441she-7b.step": "83ab8ce20428afcd39ffee9a3c632a0ae29b737eb1e621c207e5a79cbf3c6a5c"
}
}
]
}