BU4052BCF-E2

{
  "schema_version": 1,
  "type": "component",
  "slug": "bu4052bcf-e2",
  "title": "BU4052BCF-E2",
  "brief": "ROHM Analog Switches, Multiplexers, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "bu4052bcf-e2"
  ],
  "component": {
    "mpn": "BU4052BCF-E2",
    "manufacturer": "ROHM",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2109190230_ROHM-Semicon-BU4052BCF-E2_C509770.pdf",
    "parts": {
      "symbol": "bu4052bcf-e2.kicad_sym",
      "footprint": "bu4052bcf-e2.kicad_mod",
      "model_3d": "bu4052bcf-e2-etched.glb",
      "model_3d_plain": "bu4052bcf-e2.glb",
      "model_3d_step": "bu4052bcf-e2-etched.step",
      "model_3d_step_plain": "bu4052bcf-e2.step",
      "lbr": "bu4052bcf-e2.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "Y0",
        "type": "bidirectional",
        "description": "Y-bank analog switch terminal 0. Bidirectional analog I/O; connected to COMMON Y when A=0, B=0 and INHIBIT=L. Signal range VEE to VDD, typical RON 250 Ω at VDD=10 V."
      },
      {
        "number": "2",
        "name": "Y2",
        "type": "bidirectional",
        "description": "Y-bank analog switch terminal 2. Bidirectional analog I/O; connected to COMMON Y when A=0, B=1 and INHIBIT=L. Signal range VEE to VDD."
      },
      {
        "number": "3",
        "name": "COMMON Y",
        "type": "bidirectional",
        "description": "Common (pole) terminal for the Y-bank 4:1 analog switch. Bidirectional; routes to whichever Y0-Y3 the A/B decode selects when INHIBIT=L."
      },
      {
        "number": "4",
        "name": "Y3",
        "type": "bidirectional",
        "description": "Y-bank analog switch terminal 3. Bidirectional analog I/O; connected to COMMON Y when A=1, B=1 and INHIBIT=L."
      },
      {
        "number": "5",
        "name": "Y1",
        "type": "bidirectional",
        "description": "Y-bank analog switch terminal 1. Bidirectional analog I/O; connected to COMMON Y when A=1, B=0 and INHIBIT=L."
      },
      {
        "number": "6",
        "name": "INHIBIT",
        "type": "input",
        "description": "Active-high enable/disable control. When INHIBIT=H all X and Y switches are OFF (both COMMONs isolated). When INHIBIT=L the A/B decode selects one X-Y channel pair. Digital input referenced VSS to VDD (VIH ≥ 7.0 V at VDD=10 V)."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative analog supply for the switch path. Sets the lower rail of the analog input/output range; must satisfy VEE ≤ VSS. Typically tied to VSS for single-supply operation or to a negative rail for bipolar analog signals."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital/logic ground (negative supply for the control logic). Reference for VIL/VIH thresholds on A, B and INHIBIT."
      },
      {
        "number": "9",
        "name": "B",
        "type": "input",
        "description": "Binary channel-select address input, MSB. Together with A selects one of four channels per bank when INHIBIT=L. Digital input referenced VSS to VDD."
      },
      {
        "number": "10",
        "name": "A",
        "type": "input",
        "description": "Binary channel-select address input, LSB. Together with B selects one of four channels per bank when INHIBIT=L. Digital input referenced VSS to VDD."
      },
      {
        "number": "11",
        "name": "X3",
        "type": "bidirectional",
        "description": "X-bank analog switch terminal 3. Bidirectional analog I/O; connected to COMMON X when A=1, B=1 and INHIBIT=L."
      },
      {
        "number": "12",
        "name": "X0",
        "type": "bidirectional",
        "description": "X-bank analog switch terminal 0. Bidirectional analog I/O; connected to COMMON X when A=0, B=0 and INHIBIT=L."
      },
      {
        "number": "13",
        "name": "COMMON X",
        "type": "bidirectional",
        "description": "Common (pole) terminal for the X-bank 4:1 analog switch. Bidirectional; routes to whichever X0-X3 the A/B decode selects when INHIBIT=L."
      },
      {
        "number": "14",
        "name": "X1",
        "type": "bidirectional",
        "description": "X-bank analog switch terminal 1. Bidirectional analog I/O; connected to COMMON X when A=1, B=0 and INHIBIT=L."
      },
      {
        "number": "15",
        "name": "X2",
        "type": "bidirectional",
        "description": "X-bank analog switch terminal 2. Bidirectional analog I/O; connected to COMMON X when A=0, B=1 and INHIBIT=L."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for logic and analog switches. Operating range 3 V to 18 V (absolute max 20 V). Sets the upper rail of the analog signal range and the VIH threshold for the control inputs."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2109190230_ROHM-Semicon-BU4052BCF-E2_C509770.pdf",
        "pages": 22,
        "sha256": "ed206cb8aca49cd6",
        "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"
    },
    "logic": {
      "family_id": "CD4052",
      "logic_family": "CD4000",
      "function_code": "4052",
      "function_class": "Multiplexer",
      "function_name": "Dual 4-Channel Analog Mux/Demux",
      "manufacturer": "ROHM",
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "bu4052bcf-e2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bu4052bcf-e2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6929f1e363622da8e10ab7afb0fd318d9e9fb182a9c9cd8d65f0dc402709fc70",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM",
      "Package": "SOP-16",
      "Category": "Interface",
      "Pins": "16"
    }
  },
  "variants": [
    {
      "mpn": "BU4052BCF-E2",
      "kind": "packaging"
    },
    {
      "mpn": "BU4052BCFV",
      "kind": "unknown"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bu4052bcf-e2"
  ],
  "discovery_pitch": "BU4052BCF-E2 (ROHM) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bu4052bcf-e2.kicad_sym",
    "bu4052bcf-e2.kicad_mod",
    "bu4052bcf-e2.glb",
    "bu4052bcf-e2.step",
    "bu4052bcf-e2.lbr",
    "docs/hero.png",
    "docs/bu4052bcf-e2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:15:51.849Z"
}