XW09B

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  "type": "component",
  "slug": "xw09b",
  "title": "XW09B",
  "brief": "Sam wing Touch Sensors, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "sensors",
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  "component": {
    "mpn": "XW09B",
    "manufacturer": "Sam wing",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Sensors",
    "subcategory": "Touch Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884259369332736",
    "parts": {
      "symbol": "xw09b.kicad_sym",
      "footprint": "xw09b.kicad_mod",
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      "model_3d_plain": "xw09b-etched.glb",
      "model_3d_step": "xw09b-etched.step",
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      "lbr": "xw09b.lbr"
    },
    "distributor_links": {
      "lcsc": "C389619"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:53:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground (电源地) for the device."
      },
      {
        "number": "2",
        "name": "C1",
        "type": "passive",
        "description": "Internal balance capacitor interface; the datasheet gives a 1 nF to 10 nF range and recommends 4.7 nF, with the capacitor placed close to the IC."
      },
      {
        "number": "3",
        "name": "CSEL",
        "type": "passive",
        "description": "Sensitivity-setting capacitor interface; the stated range is 0 to 100 pF, and a smaller capacitance gives higher sensitivity."
      },
      {
        "number": "4",
        "name": "PAD0",
        "type": "input",
        "description": "Capacitive touch sense pad 0; leave the pin floating when unused, and it has the highest priority in AO mode."
      },
      {
        "number": "5",
        "name": "PAD1",
        "type": "input",
        "description": "Capacitive touch sense pad 1; leave the pin floating when unused."
      },
      {
        "number": "6",
        "name": "PAD2",
        "type": "input",
        "description": "Capacitive touch sense pad 2; leave the pin floating when unused."
      },
      {
        "number": "7",
        "name": "PAD3",
        "type": "input",
        "description": "Capacitive touch sense pad 3; leave the pin floating when unused."
      },
      {
        "number": "8",
        "name": "PAD4",
        "type": "input",
        "description": "Capacitive touch sense pad 4; leave the pin floating when unused."
      },
      {
        "number": "9",
        "name": "PAD5",
        "type": "input",
        "description": "Capacitive touch sense pad 5; leave the pin floating when unused."
      },
      {
        "number": "10",
        "name": "PAD6",
        "type": "input",
        "description": "Capacitive touch sense pad 6; leave the pin floating when unused."
      },
      {
        "number": "11",
        "name": "PAD7",
        "type": "input",
        "description": "Capacitive touch sense pad 7; leave the pin floating when unused."
      },
      {
        "number": "12",
        "name": "PAD8",
        "type": "input",
        "description": "Capacitive touch sense pad 8; leave the pin floating when unused, and it has the lowest priority in AO mode."
      },
      {
        "number": "13",
        "name": "INT",
        "type": "output",
        "description": "Key-active output, open-drain (OD) type."
      },
      {
        "number": "14",
        "name": "AO",
        "type": "output",
        "description": "Analog voltage output that equals VDD with no key pressed and 5/16 VDD (PAD0) to 13/16 VDD (PAD8) for a single pressed key."
      },
      {
        "number": "15",
        "name": "BUZZ",
        "type": "output",
        "description": "Buzzer drive output with a 2.7 kHz square wave that can drive a buzzer directly, with a stated source current of 30 mA at VDD = 5.0 V."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply; operating range 2.5 V to 5.5 V, with an absolute maximum rating of -0.3 V to 6.0 V."
      }
    ],
    "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: The datasheet gives only one package, SOP16 (SOP16L), so the pinout applies to the SOP-16 hint. It d; Section 4.4 says the buzzer output is a square wave with a 50 ms fixed switching frequency, which co; The datasheet does not state electrical types for the touch pads or the C1 and CSEL pins; the types "
        ],
        "pages_sent": 5,
        "cost_usd": 0.0325,
        "at": "2026-10-19T07:52:51"
      },
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        "pages": 5,
        "sha256": "6bec746c086f3595",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Sam wing",
      "Package": "SOP-16",
      "Category": "Sensors",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6bec746c086f359580bbe07a5da05c5ead0a15253e97f2654ca7c6bbd668e367",
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          "name": "VDD voltage (absolute maximum)",
          "symbol": "VDD",
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          "min": -0.3,
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          "max": 6,
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        },
        {
          "name": "Operating temperature range",
          "symbol": "",
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          "unit": "℃",
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        },
        {
          "name": "Storage temperature range (absolute maximum)",
          "symbol": "",
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          "name": "ESD, HUM",
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        },
        {
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          "min": 2.5,
          "typ": null,
          "max": 5.5,
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        },
        {
          "name": "Analog voltage output internal resistance",
          "symbol": "Z_AO",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 20,
          "typ": 25,
          "max": 30,
          "conditions": "",
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        },
        {
          "name": "Sensitivity capacitance (CSEL)",
          "symbol": "CSEL",
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          "unit": "pF",
          "min": 0,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Internal balance capacitor C1 value range (recommended)",
          "symbol": "C1",
          "kind": "recommended_operating",
          "unit": "nF",
          "min": 1,
          "typ": null,
          "max": 10,
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          "source_page": 2,
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        },
        {
          "name": "C1 and CSEL capacitor precision (recommended NPO)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
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          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "XW09B (Sam wing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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