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Ray Set visibility: public 6de248c 17d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "pi3a27518zdex",
  "title": "PI3A27518ZDEX",
  "brief": "Diodes Incorporated Analog Switches, Multiplexers, TQFN-24(4x4). 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",
    "interface",
    "pi3a27518zdex",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PI3A27518ZDEX",
    "manufacturer": "Diodes Incorporated",
    "package": "TQFN-24(4x4)",
    "pin_count": 25,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906267320213504",
    "parts": {
      "symbol": "pi3a27518zdex.kicad_sym",
      "footprint": "pi3a27518zdex.kicad_mod",
      "model_3d": "pi3a27518zdex-hero.glb",
      "model_3d_plain": "pi3a27518zdex-etched.glb",
      "model_3d_step": "pi3a27518zdex-etched.step",
      "model_3d_step_plain": "pi3a27518zdex.step",
      "lbr": "pi3a27518zdex.lbr"
    },
    "distributor_links": {
      "lcsc": "C3001682",
      "digikey": "31-PI3A27518ZDEXTR-ND",
      "mouser": "621-PI3A27518ZDEX"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T00:03:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-PI3A27518ZDEXTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-PI3A27518ZDEX",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COM1",
        "type": "passive",
        "description": "Common signal path for channel 1, switched to NO1 or NC1 per the select truth table; analog signal range is 0 to VDD."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "3",
        "name": "COM2",
        "type": "passive",
        "description": "Common signal path for channel 2, switched to NO2 or NC2 per the select truth table; analog signal range is 0 to VDD."
      },
      {
        "number": "4",
        "name": "COM3",
        "type": "passive",
        "description": "Common signal path for channel 3, switched to NO3 or NC3 per the select truth table; analog signal range is 0 to VDD."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply; operating voltage is 1.65V to 3.6V."
      },
      {
        "number": "6",
        "name": "COM4",
        "type": "passive",
        "description": "Common signal path for channel 4, switched to NO4 or NC4 per the select truth table; analog signal range is 0 to VDD."
      },
      {
        "number": "7",
        "name": "COM5",
        "type": "passive",
        "description": "Common signal path for channel 5, switched to NO5 or NC5 per the select truth table; analog signal range is 0 to VDD."
      },
      {
        "number": "8",
        "name": "NO1",
        "type": "passive",
        "description": "Normally open signal path for channel 1; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "9",
        "name": "COM6",
        "type": "passive",
        "description": "Common signal path for channel 6, switched to NO6 or NC6 per the select truth table; analog signal range is 0 to VDD."
      },
      {
        "number": "10",
        "name": "NO2",
        "type": "passive",
        "description": "Normally open data port for channel 2; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "11",
        "name": "IN2",
        "type": "input",
        "description": "Select input 2 that chooses the NO or NC path for channels 4-6 together with IN1; control input must be held HIGH or LOW and must not float, with logic levels up to VDD."
      },
      {
        "number": "12",
        "name": "NO3",
        "type": "passive",
        "description": "Normally open signal path for channel 3; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "13",
        "name": "NO6",
        "type": "passive",
        "description": "Normally open signal path for channel 6; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "14",
        "name": "NO4",
        "type": "passive",
        "description": "Normally open signal path for channel 4; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "15",
        "name": "NO5",
        "type": "passive",
        "description": "Normally open signal path for channel 5; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "16",
        "name": "NC5",
        "type": "unconnected",
        "description": "Normally closed signal path for channel 5; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "17",
        "name": "EN",
        "type": "input",
        "description": "Enable input, active low; when driven HIGH all channels are OFF, and the control input must be held HIGH or LOW and must not float."
      },
      {
        "number": "18",
        "name": "NC4",
        "type": "unconnected",
        "description": "Normally closed signal path for channel 4; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "19",
        "name": "NC6",
        "type": "unconnected",
        "description": "Normally closed signal path for channel 6; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "20",
        "name": "NC3",
        "type": "unconnected",
        "description": "Normally closed signal path for channel 3; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "21",
        "name": "IN1",
        "type": "input",
        "description": "Select input 1 that chooses the NO or NC path for channels 1-3 together with IN2; control input must be held HIGH or LOW and must not float, with logic levels up to VDD."
      },
      {
        "number": "22",
        "name": "NC2",
        "type": "unconnected",
        "description": "Normally closed signal path for channel 2; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "23",
        "name": "NC1",
        "type": "unconnected",
        "description": "Normally closed signal path for channel 1; analog signal range is 0 to VDD and continuous current is limited to ±50mA."
      },
      {
        "number": "24",
        "name": "N.C",
        "type": "unconnected",
        "description": "No connect; not internally bonded and left unconnected."
      },
      {
        "number": "25",
        "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-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 prints the enable pin name as 'EN' with a combining overline (active-low). Recorded as; The pin table gives only the select-input names and the truth table does not state explicitly which ; Pin 24 is listed as 'N.C' (no connect) in the pin description table. No further detail is given; the",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0709,
        "at": "2026-10-17T00:03:30"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906267320213504",
        "pages": 11,
        "sha256": "4b281e860826464d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "pi3a27518zdex.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pi3a27518zdex-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3cd362484e42c993e28947664a301c6bb84a1153b75bee3728759c5bb86e088d",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "TQFN-24(4x4)",
      "Category": "Interface",
      "Pins": "25"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4b281e860826464d56b7f3e73fcdbc93a55636b8f365787c64937c7d233ec272",
      "rows": [
        {
          "name": "Operating Voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Control Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "max = VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switch Input Voltage",
          "symbol": "VINPUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max = VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": 25,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature with Power Applied",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 4.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Control Input Voltage",
          "symbol": "VINx",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 4.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DC Input Voltage",
          "symbol": "VINPUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 4.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous Current NO_NC_COM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD (HBM)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD (CDM)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Analog Signal Range",
          "symbol": "VNO, VNC, VCOM",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "-40°C to 85°C; max = VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-Resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 4.4,
          "max": 5.2,
          "conditions": "+25°C; VDD = 3V, ICOM = -32mA, 0 ≤ VNO or VNC ≤ VDD, Test Circuit 1",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-Resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 7.6,
          "conditions": "-40°C to 85°C; VDD = 3V, ICOM = -32mA, 0 ≤ VNO or VNC ≤ VDD, Test Circuit 1",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-Resistance Match Between Channels",
          "symbol": "ΔRON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.3,
          "max": 0.7,
          "conditions": "+25°C; VDD = 3V, ICOM = -32mA, VNO or VNC = 2.1V, Test Circuit 1",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-Resistance Match Between Channels",
          "symbol": "ΔRON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "-40°C to 85°C; VDD = 3V, ICOM = -32mA, VNO or VNC = 2.1V, Test Circuit 1",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-Resistance Flatness",
          "symbol": "RONF",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.95,
          "max": 2.1,
          "conditions": "+25°C; VDD = 3.3V, ICOM = -32mA, VNO = 0.15V or VNC = 3.15V, Test Circuit 1",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-Resistance Flatness",
          "symbol": "RONF",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 2.3,
          "conditions": "-40°C to 85°C; VDD = 3.3V, ICOM = -32mA, VNO = 0.15V or VNC = 3.15V, Test Circuit 1",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "NC/NO Channel-Off Leakage Current",
          "symbol": "IOFF (NO) or IOFF (NC)",
          "kind": "electrical",
          "unit": "μA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "-40°C to 85°C; VDD=3.6V, VNO or VNC = 3V & VCOM = 1V or VNO or VNC = 1V & VCOM = 3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "COM Channel-Off Leakage Current",
          "symbol": "IOFF (COM)",
          "kind": "electrical",
          "unit": "μA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "-40°C to 85°C; VDD=3.6V, VNO or VNC = 3V & VCOM = 1V or VNO or VNC = 1V & VCOM = 3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "NC/NO POWER-Off Leakage Current",
          "symbol": "IOFF (NO) or IOFF (NC)",
          "kind": "electrical",
          "unit": "μA",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "-40°C to 85°C; VDD=0V, VNO or VNC = 3.6V & VCOM = 0V or VNO or VNC = 0V & VCOM = 3.6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "COM POWER-Off Leakage Current",
          "symbol": "IOFF (COM)",
          "kind": "electrical",
          "unit": "μA",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "-40°C to 85°C; VDD=0V, VNO or VNC = 3.6V & VCOM = 0V or VNO or VNC = 0V & VCOM = 3.6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Channel-On Leakage Current (NO/NC)",
          "symbol": "ION (NO) or ION (NC)",
          "kind": "electrical",
          "unit": "μA",
          "min": -7,
          "typ": null,
          "max": 7,
          "conditions": "-40°C to 85°C; VDD=3.6V, VNO or VNC = 3V & VCOM = open or VNO or VNC = 1V & VCOM = open",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Channel-On Leakage Current (COM)",
          "symbol": "ION (COM)",
          "kind": "electrical",
          "unit": "μA",
          "min": -7,
          "typ": null,
          "max": 7,
          "conditions": "-40°C to 85°C; VDD=3.6V, VNO or VNC = open & VCOM = 3V or VNO or VNC = open & VCOM = 1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Logic High",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 3.6,
          "conditions": "-40°C to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Low",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
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