AI01C

{
  "schema_version": 1,
  "type": "component",
  "slug": "ai01c",
  "title": "AI01C",
  "brief": "Sam wing Touch Sensors, SOT-23-6L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "ai01c"
  ],
  "component": {
    "mpn": "AI01C",
    "manufacturer": "Sam wing",
    "package": "SOT-23-6L",
    "pin_count": 6,
    "category": "Sensor",
    "subcategory": "Touch Sensors",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2208221130_Sam-wing-AI01C_C2943977.pdf",
    "parts": {
      "symbol": "ai01c.kicad_sym",
      "footprint": "ai01c.kicad_mod",
      "model_3d": "ai01c-etched.glb",
      "model_3d_plain": "ai01c.glb",
      "model_3d_step": "ai01c-etched.step",
      "model_3d_step_plain": "ai01c.step",
      "lbr": "ai01c.lbr"
    },
    "distributor_links": {
      "lcsc": "C2943977"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Key-detect output. Behavior is selected by MD: MD=floating gives an open-drain active-low output (requires external pull-up, e.g. 10 kΩ); MD=VDD gives push-pull active-high direct output; MD=GND gives a toggle/latch output (each press flips the state). Output sink current up to 10 mA at VCC=5 V; low-level output impedance ~50 Ω, high-Z ~100 MΩ."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply reference (0 V)."
      },
      {
        "number": "3",
        "name": "KEY",
        "type": "input",
        "description": "Capacitive touch sense input. Connect to the touch pad/electrode through a series resistor RX (recommended 2 kΩ, range 0-5 kΩ). An optional CSEL capacitor (0-10 pF) from this pin to GND trims sensitivity; smaller CSEL = higher sensitivity, floating = maximum sensitivity."
      },
      {
        "number": "4",
        "name": "MD",
        "type": "input",
        "description": "Mode-select input with three states: floating = open-drain active-low output on OUT (needs external pull-up); tied to VDD = push-pull active-high direct output; tied to GND = toggle/latch (self-locking) output starting at low."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input, 2.5 V to 6.5 V. Typical Idd ≈ 666 µA at 5 V, 394 µA at 3 V (active); ~11 µA (5 V) / ~7 µA (3 V) in sleep. A 20 Ω series resistor between the board VDD rail and this pin is recommended (do not omit), and a 100 nF decoupling cap should be placed as close as possible to the pin."
      },
      {
        "number": "6",
        "name": "C1",
        "type": "passive",
        "description": "Internal reference-capacitor connection. Connect a 4.7 nF capacitor (allowable range 1 nF - 10 nF) from this pin to GND, placed close to the chip. Required for correct capacitive sensing operation."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2208221130_Sam-wing-AI01C_C2943977.pdf",
        "pages": 8,
        "sha256": "ae24d6c8172491d8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-6@sha256:f341c73aac9dcb55",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ai01c.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ai01c-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5d36168fc40aa423e7608acfd9fd6f2a568ab0a34eafbae8120150d61bcf8b23",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Sam wing",
      "Package": "SOT-23-6L",
      "Category": "Sensor",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ai01c"
  ],
  "discovery_pitch": "AI01C (Sam wing) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ai01c.kicad_sym",
    "ai01c.kicad_mod",
    "ai01c.glb",
    "ai01c.step",
    "ai01c-etched.step",
    "ai01c.lbr",
    "docs/hero.png",
    "docs/ai01c-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:09:25.760Z"
}