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Ray Set visibility: public aa4a1a4 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "kth7801-x-c-qn16",
  "title": "KTH7801-X-C-QN16",
  "brief": "CONNTEK Magnetic Angle Sensors, QFN-16L(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "magnetic sensors",
    "kth7801-x-c-qn16",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "KTH7801-X-C-QN16",
    "manufacturer": "CONNTEK",
    "package": "QFN-16L(3x3)",
    "pin_count": 17,
    "category": "Magnetic Sensors",
    "subcategory": "Magnetic Angle Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e99e5911241f5d52c1586adbc9a5c4bb.pdf",
    "parts": {
      "symbol": "kth7801-x-c-qn16.kicad_sym",
      "footprint": "kth7801-x-c-qn16.kicad_mod",
      "model_3d": "kth7801-x-c-qn16-hero.glb",
      "model_3d_plain": "kth7801-x-c-qn16-etched.glb",
      "model_3d_step": "kth7801-x-c-qn16-etched.step",
      "model_3d_step_plain": "kth7801-x-c-qn16.step",
      "lbr": "kth7801-x-c-qn16.lbr"
    },
    "distributor_links": {
      "lcsc": "C22459043"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T07:12:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SSD",
        "type": "output",
        "description": "SSI data output."
      },
      {
        "number": "2",
        "name": "A",
        "type": "output",
        "description": "One of the ABZ incremental output signals."
      },
      {
        "number": "3",
        "name": "Z",
        "type": "output",
        "description": "One of the ABZ incremental output signals (zero index, once per revolution)."
      },
      {
        "number": "4",
        "name": "MOSI",
        "type": "input",
        "description": "SPI master data output (input to the device); pull-up to VDD if not used."
      },
      {
        "number": "5",
        "name": "CS",
        "type": "input",
        "description": "SPI chip select; pull-up to VDD if not used."
      },
      {
        "number": "6",
        "name": "B",
        "type": "output",
        "description": "One of the ABZ incremental coding signals."
      },
      {
        "number": "7",
        "name": "MISO",
        "type": "output",
        "description": "SPI slave data output."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "9",
        "name": "PWM",
        "type": "output",
        "description": "Pulse width modulation output."
      },
      {
        "number": "10",
        "name": "TEST",
        "type": "input",
        "description": "Factory testing pin; must be connected directly to GND in the QFN-16L package."
      },
      {
        "number": "11",
        "name": "MGL",
        "type": "output",
        "description": "Low magnetic field strength indication."
      },
      {
        "number": "12",
        "name": "SCLK",
        "type": "input",
        "description": "SPI clock; pull-up to VDD if not used."
      },
      {
        "number": "13",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "15",
        "name": "SSCK",
        "type": "input",
        "description": "SSI data clock input; pull-down to GND if not used."
      },
      {
        "number": "16",
        "name": "MGH",
        "type": "output",
        "description": "High magnetic field strength indication."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-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 outputs/inputs inferred from function text; datasheet does not state electrical direct; Ordering table lists KTH7801-X-C-QN16 as QFN3x3-16L with CRC check; pin table is the same for N and "
        ],
        "pages_sent": 11,
        "cost_usd": 0.0714,
        "at": "2026-10-27T07:11:59"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e99e5911241f5d52c1586adbc9a5c4bb.pdf",
        "pages": 40,
        "sha256": "dc5145cd2f48c486",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "kth7801-x-c-qn16.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3,
          0.785
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "kth7801-x-c-qn16-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "034ea8c079be3a7c1cea371b309a3bb66bae16f8f30e25726958693ae5bff982",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CONNTEK",
      "Package": "QFN-16L(3x3)",
      "Category": "Magnetic Sensors",
      "Pins": "17"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "dc5145cd2f48c486cdf471461aa0373e4fd0173d718b3682f3c8317af425fabf",
      "rows": [
        {
          "name": "Operating voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 38,
          "source": "datasheet"
        },
        {
          "name": "Radial Magnet Diameter (on-axis)",
          "symbol": "Dmag",
          "kind": "recommended_operating",
          "unit": "mm",
          "min": 10,
          "typ": null,
          "max": 30,
          "conditions": "On-axis magnet installation",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Recommended Magnet Thickness (on-axis)",
          "symbol": "Tmag",
          "kind": "recommended_operating",
          "unit": "mm",
          "min": 2.5,
          "typ": null,
          "max": 5,
          "conditions": "On-axis magnet installation",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Chip Operating Magnetic Field (on-axis)",
          "symbol": "Bpk",
          "kind": "recommended_operating",
          "unit": "mT",
          "min": 30,
          "typ": null,
          "max": 150,
          "conditions": "On-axis magnet installation",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Air Gap (on-axis)",
          "symbol": "AG",
          "kind": "recommended_operating",
          "unit": "mm",
          "min": 1,
          "typ": null,
          "max": 5,
          "conditions": "On-axis magnet installation",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Rotational Speed (on-axis)",
          "symbol": "RS",
          "kind": "recommended_operating",
          "unit": "krpm",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "On-axis magnet installation",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Installation Deviation (on-axis)",
          "symbol": "D ISP",
          "kind": "recommended_operating",
          "unit": "mm",
          "min": 0.3,
          "typ": null,
          "max": 1,
          "conditions": "On-axis magnet installation",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Magnet or Ring Diameter (off-axis)",
          "symbol": "Dmag",
          "kind": "recommended_operating",
          "unit": "mm",
          "min": 10,
          "typ": null,
          "max": 30,
          "conditions": "Off-axis magnet installation",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Recommended Magnet Thickness (off-axis)",
          "symbol": "Tmag",
          "kind": "recommended_operating",
          "unit": "mm",
          "min": 2.5,
          "typ": null,
          "max": 5,
          "conditions": "Off-axis magnet installation",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Chip Operating Magnetic Field (off-axis)",
          "symbol": "Bpk",
          "kind": "recommended_operating",
          "unit": "mT",
          "min": 30,
          "typ": null,
          "max": 150,
          "conditions": "Off-axis magnet installation",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Air Gap (off-axis)",
          "symbol": "AG",
          "kind": "recommended_operating",
          "unit": "mm",
          "min": 0.5,
          "typ": null,
          "max": 5,
          "conditions": "Off-axis magnet installation",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Rotational Speed (off-axis)",
          "symbol": "RS",
          "kind": "recommended_operating",
          "unit": "krpm",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "Off-axis magnet installation",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Installation Deviation (off-axis)",
          "symbol": "D ISP",
          "kind": "recommended_operating",
          "unit": "mm",
          "min": 0.5,
          "typ": null,
          "max": 2,
          "conditions": "Off-axis magnet installation",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Temperature Coefficient of NdFeB Magnet",
          "symbol": "TCmag1",
          "kind": "temperature_coefficient",
          "unit": "%/◦C",
          "min": null,
          "typ": -0.12,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Temperature Coefficient of SmCo Magnet",
          "symbol": "TCmag2",
          "kind": "temperature_coefficient",
          "unit": "%/◦C",
          "min": null,
          "typ": -0.035,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Noise (1 sigma)",
          "symbol": "",
          "kind": "electrical",
          "unit": "°",
          "min": null,
          "typ": 0.015,
          "max": null,
          "conditions": "KTH7801",
          "source_page": 38,
          "source": "datasheet"
        },
        {
          "name": "Time Constant",
          "symbol": "τ",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 0.51,
          "max": null,
          "conditions": "KTH7801",
          "source_page": 38,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "kth7801-x-c-qn16"
  ],
  "discovery_pitch": "KTH7801-X-C-QN16 (CONNTEK) 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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    "kth7801-x-c-qn16-hero.overlay.json",
    "kth7801-x-c-qn16-etched.glb"
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  "visibility": {
    "public": true
  }
}