AI08B SOP16

{
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  "type": "component",
  "slug": "ai08b-sop16",
  "title": "AI08B SOP16",
  "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",
  "tags": [
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    "sensors",
    "ai08b sop16",
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  "component": {
    "mpn": "AI08B SOP16",
    "manufacturer": "Sam wing",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Sensors",
    "subcategory": "Touch Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590473754942861312",
    "parts": {
      "symbol": "ai08b-sop16.kicad_sym",
      "footprint": "ai08b-sop16.kicad_mod",
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      "lbr": "ai08b-sop16.lbr"
    },
    "distributor_links": {
      "lcsc": "C5185737"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:16:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin (电源地) for the 8-channel capacitive touch sensor."
      },
      {
        "number": "2",
        "name": "C1",
        "type": "passive",
        "description": "Internal balance capacitor interface; datasheet specifies a 4.7 nF capacitor with 10% tolerance (NPO recommended), placed as close to the IC as possible."
      },
      {
        "number": "3",
        "name": "CSEL",
        "type": "passive",
        "description": "Sensitivity-setting capacitor interface; smaller capacitance gives higher sensitivity, selectable from 0 pF up to 100 pF, and may be left floating."
      },
      {
        "number": "4",
        "name": "K1",
        "type": "input",
        "description": "Touch key 1 sense input; highest priority when multiple keys are pressed at once."
      },
      {
        "number": "5",
        "name": "K2",
        "type": "input",
        "description": "Touch key 2 sense input; priority decreases from K1 to K8 when multiple keys are pressed."
      },
      {
        "number": "6",
        "name": "K3",
        "type": "input",
        "description": "Touch key 3 sense input; priority decreases from K1 to K8 when multiple keys are pressed."
      },
      {
        "number": "7",
        "name": "K4",
        "type": "input",
        "description": "Touch key 4 sense input; priority decreases from K1 to K8 when multiple keys are pressed."
      },
      {
        "number": "8",
        "name": "K5",
        "type": "input",
        "description": "Touch key 5 sense input; priority decreases from K1 to K8 when multiple keys are pressed."
      },
      {
        "number": "9",
        "name": "K6",
        "type": "input",
        "description": "Touch key 6 sense input; priority decreases from K1 to K8 when multiple keys are pressed."
      },
      {
        "number": "10",
        "name": "K7",
        "type": "input",
        "description": "Touch key 7 sense input; priority decreases from K1 to K8 when multiple keys are pressed."
      },
      {
        "number": "11",
        "name": "K8",
        "type": "input",
        "description": "Touch key 8 sense input; lowest priority when multiple keys are pressed at once."
      },
      {
        "number": "12",
        "name": "BCD3",
        "type": "output",
        "description": "BCD code output bit 3; the BCD outputs read 1111 when no key is pressed."
      },
      {
        "number": "13",
        "name": "BCD2",
        "type": "output",
        "description": "BCD code output bit 2; outputs encode the single active key (K1 = 0000 through K8 = 0111)."
      },
      {
        "number": "14",
        "name": "BCD1",
        "type": "output",
        "description": "BCD code output bit 1; outputs encode the single active key (K1 = 0000 through K8 = 0111)."
      },
      {
        "number": "15",
        "name": "BCD0",
        "type": "output",
        "description": "BCD code output bit 0; outputs encode the single active key (K1 = 0000 through K8 = 0111)."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply; the datasheet gives an operating range of 2.5 V to 5.5 V and an absolute maximum 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: Pin types for C1 and CSEL are inferred as passive because the datasheet only describes them as capac; Touch key pin types are inferred as input. The datasheet labels them only as touch keys (触摸按键) and d; The datasheet lists the power-supply pins as GND and VDD; the GND and VDD types are set to power_in "
        ],
        "pages_sent": 8,
        "cost_usd": 0.0308,
        "at": "2026-10-18T06:13:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590473754942861312",
        "pages": 8,
        "sha256": "e1a51ea101eeea2e",
        "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"
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
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          1.75
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ai08b-sop16-etched.step",
        "role": "eda",
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        "units": "mm",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a4868a13015fe557dafcf39bbe6755491ab84c3c30c4149964eca39cb3222725",
        "checked": "2026-10-18",
        "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": "e1a51ea101eeea2ecb732f6702969d6c8a11b1f18d1000354cff93c1bfc51a7b",
      "rows": [
        {
          "name": "工作电压 (operating voltage)",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "工作电流 (operating current)",
          "symbol": "I_vdd",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "VDD=3.0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "工作电流 (operating current)",
          "symbol": "I_vdd",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.6,
          "max": null,
          "conditions": "VDD=5.0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "上电初始化时间 (power-on initialization time)",
          "symbol": "T_init",
          "kind": "timing",
          "unit": "mS",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "灵敏度电容 (sensitivity capacitor)",
          "symbol": "CSEL",
          "kind": "electrical",
          "unit": "pF",
          "min": 15,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "芯片感应电容范围 (sensing capacitance range)",
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          "min": 0.2,
          "typ": null,
          "max": 200,
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        {
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          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入输出电压 (input/output voltage)",
          "symbol": "",
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          "unit": "V",
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          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "工作温度范围 (operating temperature range)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 95,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "存储温度范围 (storage temperature range)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "ESD, HUM",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": 8000,
          "typ": null,
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          "conditions": "",
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          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "AI08B SOP16 (Sam wing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "path": "docs/hero.png"
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  "visibility": {
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}