AF223

{
  "schema_version": 1,
  "type": "component",
  "slug": "af223",
  "title": "AF223",
  "brief": "Sam wing Touch Sensors, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "af223"
  ],
  "component": {
    "mpn": "AF223",
    "manufacturer": "Sam wing",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Sensor",
    "subcategory": "Touch Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2dd99e60cd0a0b67ff668db17830bc19.pdf",
    "parts": {
      "symbol": "af223.kicad_sym",
      "footprint": "af223.kicad_mod",
      "model_3d": "af223-etched.glb",
      "model_3d_plain": "af223.glb",
      "model_3d_step": "af223-etched.step",
      "model_3d_step_plain": "af223.step",
      "lbr": "af223.lbr"
    },
    "distributor_links": {
      "lcsc": "C723856"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Touch key sense output. Push-pull output whose active polarity is set by AHLB and whose mode (direct/synchronous vs. toggle/hold) is set by TOG. Sink capability 20 mA at Vol=0.3VDD; source 10 mA at Voh=0.7VDD."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply reference (0 V)."
      },
      {
        "number": "3",
        "name": "KEY",
        "type": "input",
        "description": "Capacitive touch sensing input. Connect to the touch pad through a series 1 kΩ resistor (R1, recommended 0-5 kΩ). An optional CSEL capacitor (0-50 pF) to GND tunes sensitivity."
      },
      {
        "number": "4",
        "name": "AHLB",
        "type": "input",
        "description": "Output polarity select. AHLB=1 (tied to VDD): OUT is active-low (idle high). AHLB=0 (tied to GND or floating): OUT is active-high (idle low). Default state 0."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input, 2.0-5.5 V (typ 3 V). Bypass with a 100 nF capacitor to GND placed close to the pin."
      },
      {
        "number": "6",
        "name": "TOG",
        "type": "input",
        "description": "Hold/synchronous mode select. TOG=1 (tied to VDD): OUT operates in toggle/hold (self-latching) mode. TOG=0 (tied to GND): OUT operates in synchronous/direct mode (default). In synchronous mode an internal 8 s max-active timer resets output if a key is held too long."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2dd99e60cd0a0b67ff668db17830bc19.pdf",
        "pages": 7,
        "sha256": "5e145faa59262ba6",
        "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": "af223.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "af223-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e3608834b3d857f2d2def9da2bd8ee35994b18f04bf24b779ff79fac5c3cc93c",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Sam wing",
      "Package": "SOT-23-6",
      "Category": "Sensor",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "af223"
  ],
  "discovery_pitch": "AF223 (Sam wing) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "af223.kicad_sym",
    "af223.kicad_mod",
    "af223.glb",
    "af223.step",
    "af223-etched.step",
    "af223.lbr",
    "docs/hero.png",
    "docs/af223-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:05:44.332Z"
}