AI32C

{
  "schema_version": 1,
  "type": "component",
  "slug": "ai32c",
  "title": "AI32C",
  "brief": "Sam wing Touch Sensors, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "ai32c"
  ],
  "component": {
    "mpn": "AI32C",
    "manufacturer": "Sam wing",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Sensor",
    "subcategory": "Touch Sensors",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2211151030_Sam-wing-AI32C_C5264411.pdf",
    "parts": {
      "symbol": "ai32c.kicad_sym",
      "footprint": "ai32c.kicad_mod",
      "model_3d": "ai32c-etched.glb",
      "model_3d_plain": "ai32c.glb",
      "model_3d_step": "ai32c-etched.step",
      "model_3d_step_plain": "ai32c.step",
      "lbr": "ai32c.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "C1",
        "type": "passive",
        "description": "Internal reference capacitor interface. Connect a 4.7 nF NPO capacitor (range 1 nF-10 nF) between this pin and ground; place capacitor as close to the IC as possible."
      },
      {
        "number": "2",
        "name": "KEY1",
        "type": "input",
        "description": "Capacitive touch key 1 input. Highest priority key. Optionally add a 0-10 pF NPO capacitor to ground for sensitivity trim (open = highest sensitivity)."
      },
      {
        "number": "3",
        "name": "KEY2",
        "type": "input",
        "description": "Capacitive touch key 2 input. Second priority. Optionally add a 0-10 pF NPO capacitor to ground for sensitivity trim."
      },
      {
        "number": "4",
        "name": "KEY3",
        "type": "input",
        "description": "Capacitive touch key 3 input. Lowest priority. Optionally add a 0-10 pF NPO capacitor to ground for sensitivity trim."
      },
      {
        "number": "5",
        "name": "OUT2",
        "type": "output",
        "description": "Encoded data output bit 2 (MSB of 2-bit key code). Combined with OUT1: 00=KEY1, 01=KEY2, 10=KEY3, 11=no key pressed. High/low logic level output."
      },
      {
        "number": "6",
        "name": "OUT1",
        "type": "output",
        "description": "Encoded data output bit 1 (LSB of 2-bit key code). Combined with OUT2 to encode which key is pressed. High/low logic level output."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, 2.5 V to 5.5 V. Recommend a 100 nF decoupling cap to GND and an optional 20 Ω series resistor from the board VDD rail to suppress noise. Typical Ivdd = 394 uA @ 3.0 V, 666 uA @ 5.0 V."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground / reference. Common return for supply, output logic, and touch reference."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2211151030_Sam-wing-AI32C_C5264411.pdf",
        "pages": 7,
        "sha256": "59ec1134044746a1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ai32c.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ai32c-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9454265d2b46d24e4b964236b6d8479238cc6ec3c6fcab2ee86414fd92bbbeb2",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Sam wing",
      "Package": "SOP-8",
      "Category": "Sensor",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ai32c"
  ],
  "discovery_pitch": "AI32C (Sam wing) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ai32c.kicad_sym",
    "ai32c.kicad_mod",
    "ai32c.glb",
    "ai32c.step",
    "ai32c.lbr",
    "docs/hero.png",
    "docs/ai32c-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:10:14.802Z"
}