CD4051BPWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "cd4051bpwr",
  "title": "CD4051BPWR",
  "brief": "Texas Instruments Analog Switches, Multiplexers, TSSOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "cd4051bpwr"
  ],
  "component": {
    "mpn": "CD4051BPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd4051b.pdf",
    "parts": {
      "symbol": "cd4051bpwr.kicad_sym",
      "footprint": "cd4051bpwr.kicad_mod",
      "model_3d": "cd4051bpwr-etched.glb",
      "model_3d_plain": "cd4051bpwr.glb",
      "model_3d_step": "cd4051bpwr-etched.step",
      "model_3d_step_plain": "cd4051bpwr.step",
      "lbr": "cd4051bpwr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "CH4",
        "type": "bidirectional",
        "description": "Channel 4 in/out. Analog signal path to/from COM when address A/B/C = 100 and INH = 0. rON typ 125 Ω at VDD=15V."
      },
      {
        "number": "2",
        "name": "CH6",
        "type": "bidirectional",
        "description": "Channel 6 in/out. Analog signal path to/from COM when address A/B/C = 110 and INH = 0."
      },
      {
        "number": "3",
        "name": "COM",
        "type": "bidirectional",
        "description": "Common out/in. Bidirectional analog common terminal connected to the selected channel (CH0-CH7) when INH = 0."
      },
      {
        "number": "4",
        "name": "CH7",
        "type": "bidirectional",
        "description": "Channel 7 in/out. Analog signal path to/from COM when address A/B/C = 111 and INH = 0."
      },
      {
        "number": "5",
        "name": "CH5",
        "type": "bidirectional",
        "description": "Channel 5 in/out. Analog signal path to/from COM when address A/B/C = 101 and INH = 0."
      },
      {
        "number": "6",
        "name": "INH",
        "type": "input",
        "description": "Inhibit input. When high, disables all channels (all switches OFF). When low, the channel selected by A/B/C is connected to COM. Digital logic input referenced to VSS/VDD; VIH ≥ 11V at VDD=15V."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative analog supply input. Sets the lower bound of the analog signal range. For single-supply operation tie to VSS; for dual-supply operation typically −5V to −10V. VDD−VEE ≤ 20V."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / digital logic reference. Reference for the A/B/C/INH digital control inputs."
      },
      {
        "number": "9",
        "name": "C",
        "type": "input",
        "description": "Channel select C (MSB of the 3-bit channel address). Digital logic input; combined with A and B selects one of CH0-CH7 when INH = 0."
      },
      {
        "number": "10",
        "name": "B",
        "type": "input",
        "description": "Channel select B (middle bit of the 3-bit channel address). Digital logic input."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Channel select A (LSB of the 3-bit channel address). Digital logic input."
      },
      {
        "number": "12",
        "name": "CH3",
        "type": "bidirectional",
        "description": "Channel 3 in/out. Analog signal path to/from COM when address A/B/C = 011 and INH = 0."
      },
      {
        "number": "13",
        "name": "CH0",
        "type": "bidirectional",
        "description": "Channel 0 in/out. Analog signal path to/from COM when address A/B/C = 000 and INH = 0."
      },
      {
        "number": "14",
        "name": "CH1",
        "type": "bidirectional",
        "description": "Channel 1 in/out. Analog signal path to/from COM when address A/B/C = 001 and INH = 0."
      },
      {
        "number": "15",
        "name": "CH2",
        "type": "bidirectional",
        "description": "Channel 2 in/out. Analog signal path to/from COM when address A/B/C = 010 and INH = 0."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input. 3V to 20V referenced to VSS. Also serves as the digital-input high reference (VIH ≥ 0.7·VDD)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd4051b.pdf",
        "pages": 39,
        "sha256": "c234939dccf18398",
        "source_tier": "mfr"
      },
      "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"
    },
    "logic": {
      "family_id": "CD4051",
      "logic_family": "CD4000",
      "function_code": "4051",
      "function_class": "Multiplexer",
      "function_name": "8-Channel Analog Multiplexer/Demultiplexer",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "cd4051bpwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd4051bpwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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          1.1
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "35d4de3f350576aa8166fd0cd8e0881ef840f4c64fe7a8f398d46ed2010a9940",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-16",
      "Category": "Interface",
      "Pins": "16"
    }
  },
  "variants": [
    {
      "mpn": "CD4051BPWR",
      "kind": "packaging"
    },
    {
      "mpn": "CD4051BPWRE",
      "kind": "packaging"
    },
    {
      "mpn": "CD4051BPWRJ",
      "kind": "packaging"
    },
    {
      "mpn": "CD4051BPWRM",
      "kind": "packaging"
    },
    {
      "mpn": "CD4051BPWRNS",
      "kind": "packaging"
    }
  ],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cd4051bpwr"
  ],
  "discovery_pitch": "CD4051BPWR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "cd4051bpwr.kicad_sym",
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    "cd4051bpwr.glb",
    "cd4051bpwr.step",
    "cd4051bpwr.lbr",
    "docs/hero.png",
    "docs/cd4051bpwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:42:39.073Z"
}