AI05

{
  "schema_version": 1,
  "type": "component",
  "slug": "ai05",
  "title": "AI05",
  "brief": "Sam wing Touch Sensors, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensors",
    "ai05"
  ],
  "component": {
    "mpn": "AI05",
    "manufacturer": "Sam wing",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Sensors",
    "subcategory": "Touch Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884259361214464",
    "parts": {
      "symbol": "ai05.kicad_sym",
      "footprint": "ai05.kicad_mod",
      "model_3d": "ai05-etched.glb",
      "model_3d_plain": "ai05.glb",
      "model_3d_step": "ai05-etched.step",
      "model_3d_step_plain": "ai05.step",
      "lbr": "ai05.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply reference for the chip."
      },
      {
        "number": "2",
        "name": "C1",
        "type": "passive",
        "description": "Internal balance/reference capacitor connection. Connect a 4.7 nF NPO capacitor to GND close to the IC."
      },
      {
        "number": "3",
        "name": "CSEL",
        "type": "passive",
        "description": "Sensitivity-adjust capacitor pin. Optional external capacitor from 0 to 100 pF sets touch sensitivity (smaller = more sensitive). May be omitted in most cases."
      },
      {
        "number": "4",
        "name": "KEY1",
        "type": "passive",
        "description": "Touch sensing input for channel 1. Connects to sensing pad through a 1 kΩ series resistor."
      },
      {
        "number": "5",
        "name": "KEY2",
        "type": "passive",
        "description": "Touch sensing input for channel 2. Connects to sensing pad through a 1 kΩ series resistor."
      },
      {
        "number": "6",
        "name": "KEY3",
        "type": "passive",
        "description": "Touch sensing input for channel 3. Connects to sensing pad through a 1 kΩ series resistor."
      },
      {
        "number": "7",
        "name": "KEY4",
        "type": "passive",
        "description": "Touch sensing input for channel 4. Connects to sensing pad through a 1 kΩ series resistor."
      },
      {
        "number": "8",
        "name": "KEY5",
        "type": "passive",
        "description": "Touch sensing input for channel 5. Connects to sensing pad through a 1 kΩ series resistor."
      },
      {
        "number": "9",
        "name": "OUT5",
        "type": "output",
        "description": "Channel-5 key output. Polarity/behavior depends on MD pin: MD=VDD direct active-high, MD=GND toggle (self-lock), MD=floating active-low open-drain (needs pull-up). IO sink current typ 30 mA / max 40 mA at VDD=5 V."
      },
      {
        "number": "10",
        "name": "OUT4",
        "type": "output",
        "description": "Channel-4 key output. Polarity/behavior depends on MD pin (see OUT5). IO sink current typ 30 mA / max 40 mA at VDD=5 V."
      },
      {
        "number": "11",
        "name": "OUT3",
        "type": "output",
        "description": "Channel-3 key output. Polarity/behavior depends on MD pin (see OUT5). IO sink current typ 30 mA / max 40 mA at VDD=5 V."
      },
      {
        "number": "12",
        "name": "OUT2",
        "type": "output",
        "description": "Channel-2 key output. Polarity/behavior depends on MD pin (see OUT5). IO sink current typ 30 mA / max 40 mA at VDD=5 V."
      },
      {
        "number": "13",
        "name": "OUT1",
        "type": "output",
        "description": "Channel-1 key output. When MD=VDD direct active-high; MD=GND toggle self-lock; MD=floating OUT1 stays direct active-high push-pull (unlike OUT2-OUT5 which are open-drain when MD is floating)."
      },
      {
        "number": "14",
        "name": "SLEEP",
        "type": "input",
        "description": "Sleep-mode select. Tie to VDD to enable auto-sleep (~80 s of no touch enters low-power mode, I_sleep ≈ 45 µA typ). Tie to GND to disable sleep and keep the chip always active."
      },
      {
        "number": "15",
        "name": "MD",
        "type": "input",
        "description": "Output-mode select (3-level). MD=VDD: OUT1-OUT5 direct output, active-high. MD=GND: OUT1-OUT5 toggle (self-lock) output, initial low. MD=floating: OUT1 direct active-high push-pull, OUT2-OUT5 active-low open-drain (needs external pull-up)."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, 2.5 V to 5.5 V. Typical operating current 0.8 mA at 3.0 V, 1.6 mA at 5.0 V. Recommend 100 nF decoupling and a 20 Ω series filter resistor as shown in the typical application."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884259361214464",
        "pages": 6,
        "sha256": "4861a64d40a552e9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ai05.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ai05-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "df367c556eb2e9ad9fc57047e5c93f5c5df312f85f75365a4c50ef403948d50c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Sam wing",
      "Package": "SOP-16",
      "Category": "Sensors",
      "Pins": "16"
    }
  },
  "variants": [
    {
      "mpn": "AI05SOP16L",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ai05"
  ],
  "discovery_pitch": "AI05 (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",
    "ai05.kicad_sym",
    "ai05.kicad_mod",
    "ai05.glb",
    "ai05.step",
    "ai05.lbr",
    "docs/hero.png",
    "docs/ai05-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:10:06.701Z"
}