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
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{
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"type": "component",
"slug": "ap3441she-7b",
"title": "AP3441SHE-7B",
"brief": "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.",
"version": "0.1.3",
"license": "CC-BY-SA-4.0",
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"ap3441she-7b",
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],
"component": {
"mpn": "AP3441SHE-7B",
"manufacturer": "Diodes Incorporated",
"package": "DFN2020-8-EP",
"pin_count": 9,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - DC DC Switching Regulators",
"datasheet": "https://www.diodes.com/datasheet/download/AP3441.pdf",
"parts": {
"symbol": "ap3441she-7b.kicad_sym",
"footprint": "ap3441she-7b.kicad_mod",
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"model_3d_plain": "ap3441she-7b-etched.glb",
"model_3d_step": "ap3441she-7b-etched.step",
"model_3d_step_plain": "ap3441she-7b.step",
"lbr": "ap3441she-7b.lbr"
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"distributor_links": {
"digikey": {
"part": "AP3441SHE-7BDITR-ND",
"url": "https://www.digikey.com/en/products/detail/diodes-incorporated/AP3441SHE-7B/9765636"
},
"mouser": {
"part": "621-AP3441SHE-7B",
"url": "https://www.mouser.com/en/ProductDetail/Diodes-Incorporated/AP3441SHE-7B?qs=wUXugUrL1qwsM8sMU6r4Ag%3D%3D"
},
"lcsc": {
"part": "C2070918",
"url": "https://www.lcsc.com/product-detail/C2070918.html"
}
},
"pins": [
{
"number": "1",
"name": "FB",
"type": "input",
"description": "Feedback voltage to internal error amplifier, the threshold voltage is 0.6V. [datasheet p.2]"
},
{
"number": "2",
"name": "PG",
"type": "open_collector",
"description": "Power good indicator, open drain output. PG is pulled up to VIN when the output voltage is within 20% of the regulation level, otherwise it is low. [datasheet p.2]"
},
{
"number": "3",
"name": "VIN",
"type": "power_in",
"description": "Bias supply. Chip main power supply pin [datasheet p.2]; input voltage 2.7 V to 5.5 V. [datasheet p.1]"
},
{
"number": "4",
"name": "PGND",
"type": "power_in",
"description": "Power ground pin. [datasheet p.2]"
},
{
"number": "5",
"name": "NC",
"type": "no_connect",
"description": "No connection. [datasheet p.2]"
},
{
"number": "6",
"name": "LX",
"type": "power_out",
"description": "The drains of the internal main and synchronous power MOSFET. [datasheet p.2]"
},
{
"number": "7",
"name": "EN",
"type": "input",
"description": "Enable control input. Force this pin voltage above 1.5V enables the chip, and below 0.4V shuts down the device. [datasheet p.2]"
},
{
"number": "8",
"name": "SGND",
"type": "power_in",
"description": "Signal ground pin. [datasheet p.2]"
},
{
"number": "9",
"name": "EP",
"type": "passive",
"description": "Exposed Pad: exposed metal pad on the underside of the package without any electrical connection to internal circuit; connect it to the PC board ground plane to improve heat dissipation. [datasheet p.2]"
}
],
"provenance": {
"datasheet": {
"url": "https://www.diodes.com/datasheet/download/AP3441.pdf",
"pages": 13,
"sha256": "c159ff2133de34dd771faf914df62a8bb8067dd490a9bc3e5df72b97d88de27c",
"source_tier": "mfr",
"retrieved": "2026-10-27",
"edition": "DS39754 Rev. 3 - 2, September 2019"
},
"cad": "Footprint and symbol: KiCad official libraries (CC-BY-SA 4.0) as used on Adom boards. 3D model: Adom-generated with the KiCad 3D model generator from Diodes' U-DFN2020-8 (Type E) table (AP3441/L DS39754 Rev. 3-2, p.12), CC-BY-SA-4.0; see provenance/3d-model.json.",
"pins": {
"total": 9,
"described": 9,
"cites_pages": true,
"refuses_to_fabricate": true
},
"build": {
"tool": "board-derived part page builder 0.1: one-off Claude session scripts in Caleb Taylor's container (retired; not the Adom parts factory)",
"pins": "KiCad symbol from the source board + adom-ds2sf datasheet extraction (claude-opus-4-7)",
"at": "2026-10-08"
}
},
"models_3d": [
{
"file": "ap3441she-7b.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2,
1.98,
0.56
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "83ab8ce20428afcd39ffee9a3c632a0ae29b737eb1e621c207e5a79cbf3c6a5c",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ap3441she-7b-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2,
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0.56
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"zmin_mm": 0,
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"footprint_binding": "identity",
"sha256": "8796f6bac2ef1b0c64609e2d474c7381367a908fa56b589697eccccbd2089445",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Diodes Incorporated",
"Package": "DFN2020-8-EP",
"Category": "Power Management (PMIC)",
"Pins": "9",
"LCSC": "C2070918",
"DigiKey": "AP3441SHE-7BDITR-ND",
"Mouser": "621-AP3441SHE-7B",
"Ordering code": "AP3441SHE-7B (U-DFN2020-8 Type E, tape and reel, marking 9B)"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ap3441she-7b",
"ap3441she-7b"
],
"discovery_pitch": "AP3441SHE-7B (Diodes Incorporated) component page: pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Caleb",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"verification.json",
"ap3441she-7b.kicad_sym",
"ap3441she-7b.kicad_mod",
"ap3441she-7b-etched.glb",
"ap3441she-7b-etched.step",
"ap3441she-7b.glb",
"ap3441she-7b.step",
"ap3441she-7b.lbr",
"docs/hero.png",
"docs/ap3441she-7b-datasheet.pdf",
"provenance/3d-generator-params.yaml",
"provenance/3d-model.json",
"ap3441she-7b-hero.glb",
"ap3441she-7b-hero.overlay.json"
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"visibility": {
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}