component
HT16K33A-20SOP
Public Made by Adomby adom
Holtek Semicon LED Drivers, SOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "ht16k33a-20sop",
"version": "0.1.0",
"type": "component",
"description": "Holtek Semicon LED Drivers, SOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"led drivers",
"ht16k33a-20sop",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"ht16k33a-20sop.kicad_sym",
"ht16k33a-20sop.kicad_mod",
"ht16k33a-20sop.glb",
"ht16k33a-20sop.step",
"ht16k33a-20sop.lbr",
"docs/hero.png",
"docs/ht16k33a-20sop-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ht16k33a-20sop-hero.glb",
"ht16k33a-20sop-hero.overlay.json",
"ht16k33a-20sop-etched.glb"
],
"component": {
"mpn": "HT16K33A-20SOP",
"manufacturer": "Holtek Semicon",
"package": "SOP-20",
"pin_count": 20,
"category": "LED Drivers",
"subcategory": "LED Drivers",
"datasheet": "https://www.holtek.com.tw/webapi/11842/HT16K33Av111.pdf",
"parts": {
"symbol": "ht16k33a-20sop.kicad_sym",
"footprint": "ht16k33a-20sop.kicad_mod",
"model_3d": "ht16k33a-20sop-hero.glb",
"model_3d_plain": "ht16k33a-20sop-etched.glb",
"model_3d_step": "ht16k33a-20sop-etched.step",
"model_3d_step_plain": "ht16k33a-20sop.step",
"lbr": "ht16k33a-20sop.lbr"
},
"distributor_links": {
"lcsc": "C5444733"
},
"distributor_check": {
"checked_at": "2026-10-17T14:04:16Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VSS",
"type": "power_in",
"description": "Negative power supply for logic circuit, ground."
},
{
"number": "2",
"name": "COM0/AD",
"type": "output",
"description": "Common output, active low during display; also device address source output, active high during power on reset and key scan."
},
{
"number": "3",
"name": "COM1/KS0",
"type": "output",
"description": "Common output, active low when displaying; also key source output, active high during key scan operation."
},
{
"number": "4",
"name": "COM2/KS1",
"type": "output",
"description": "Common output, active low when displaying; also key source output, active high during key scan operation."
},
{
"number": "5",
"name": "COM3/KS2",
"type": "output",
"description": "Common output, active low when displaying; also key source output, active high during key scan operation."
},
{
"number": "6",
"name": "COM4",
"type": "output",
"description": "Common output, active low during display."
},
{
"number": "7",
"name": "COM5",
"type": "output",
"description": "Common output, active low during display."
},
{
"number": "8",
"name": "COM6",
"type": "output",
"description": "Common output, active low during display."
},
{
"number": "9",
"name": "COM7",
"type": "output",
"description": "Common output, active low during display."
},
{
"number": "10",
"name": "ROW7/K8/INT",
"type": "bidirectional",
"description": "Row driver output (active high when displaying) and key data input when INT/ROW bit is 0; interrupt output when INT/ROW bit is 1, active low if act bit is 0 and active high if act bit is 1."
},
{
"number": "11",
"name": "ROW6/K7",
"type": "bidirectional",
"description": "Row output, active high when displaying; also key data input with internal pull-low during key scan operation."
},
{
"number": "12",
"name": "ROW5/K6",
"type": "bidirectional",
"description": "Row output, active high when displaying; also key data input with internal pull-low during key scan operation."
},
{
"number": "13",
"name": "ROW4/K5",
"type": "bidirectional",
"description": "Row output, active high when displaying; also key data input with internal pull-low during key scan operation."
},
{
"number": "14",
"name": "ROW3/K4",
"type": "bidirectional",
"description": "Row output, active high when displaying; also key data input with internal pull-low during key scan operation."
},
{
"number": "15",
"name": "ROW2/K3",
"type": "bidirectional",
"description": "Row output, active high when displaying; also key data input with internal pull-low during key scan operation."
},
{
"number": "16",
"name": "ROW1/K2",
"type": "bidirectional",
"description": "Row output, active high when displaying; also key data input with internal pull-low during key scan operation."
},
{
"number": "17",
"name": "ROW0/K1",
"type": "bidirectional",
"description": "Row output, active high when displaying; also key data input with internal pull-low during key scan operation."
},
{
"number": "18",
"name": "SCL",
"type": "input",
"description": "I2C interface serial clock input."
},
{
"number": "19",
"name": "SDA",
"type": "bidirectional",
"description": "I2C interface serial data input/output."
},
{
"number": "20",
"name": "VDD",
"type": "power_in",
"description": "Positive power supply for logic circuit, operating range 4.5V to 5.5V."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin numbers were inferred from the text-extracted 20 SOP-A pin assignment drawing on page 5, where t; The COM4-COM7 descriptions are given in the general pin description and are not labelled specificall; The MPN suffix '-20SOP' and the package hint SOP-20 were matched to the 20-pin SOP (300mil) 20 SOP-A"
],
"pages_sent": 24,
"cost_usd": 0.0958,
"at": "2026-10-17T14:00:21"
},
"datasheet": {
"url": "https://www.holtek.com.tw/webapi/11842/HT16K33Av111.pdf",
"pages": 41,
"sha256": "cd454bec13e5a4d8",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ht16k33a-20sop.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.26,
12.8,
2.65
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "7692d4cb3ff114ef28f8c231705c09eb7df5420921ce066f35a7dc2fa8ba3607",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ht16k33a-20sop-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.26,
12.8,
2.65
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "badba977dd3ad12b9308953465e23654d51c02adbb963fb62c92edbab761a84b",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}