BU97520AKV-ME2

{
  "slug": "bu97520akv-me2",
  "version": "0.1.0",
  "type": "component",
  "description": "ROHM Semicon LCD Drivers, LQFP-80(12x12). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "bu97520akv-me2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bu97520akv-me2.kicad_sym",
    "bu97520akv-me2.kicad_mod",
    "bu97520akv-me2.glb",
    "bu97520akv-me2.step",
    "bu97520akv-me2.lbr",
    "docs/hero.png",
    "docs/bu97520akv-me2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "BU97520AKV-ME2",
    "manufacturer": "ROHM Semicon",
    "package": "LQFP-80(12x12)",
    "pin_count": 80,
    "category": "LED Drivers",
    "subcategory": "LCD Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907733445709824",
    "parts": {
      "symbol": "bu97520akv-me2.kicad_sym",
      "footprint": "bu97520akv-me2.kicad_mod",
      "model_3d": "bu97520akv-me2-etched.glb",
      "model_3d_plain": "bu97520akv-me2.glb",
      "model_3d_step": "bu97520akv-me2-etched.step",
      "model_3d_step_plain": "bu97520akv-me2.step",
      "lbr": "bu97520akv-me2.lbr"
    },
    "distributor_links": {
      "lcsc": "C525565"
    },
    "pins": [
      {
        "number": "1",
        "name": "S3/P3/G3",
        "type": "output",
        "description": "Segment output for LCD display data; configurable as PWM or General-purpose output via control data P0-P2."
      },
      {
        "number": "2",
        "name": "S4/P4/G4",
        "type": "output",
        "description": "Segment output for LCD display data; configurable as PWM or General-purpose output via control data P0-P2."
      },
      {
        "number": "3",
        "name": "S5/P5/G5",
        "type": "output",
        "description": "Segment output for LCD display data; configurable as PWM or General-purpose output via control data P0-P2."
      },
      {
        "number": "4",
        "name": "S6/P6/G6",
        "type": "output",
        "description": "Segment output for LCD display data; configurable as PWM or General-purpose output via control data P0-P2."
      },
      {
        "number": "5",
        "name": "S7",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "6",
        "name": "S8",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "7",
        "name": "S9",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "8",
        "name": "S10",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "9",
        "name": "S11",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "10",
        "name": "S12",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "11",
        "name": "S13",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "12",
        "name": "S14",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "13",
        "name": "S15",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "14",
        "name": "S16",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "15",
        "name": "S17",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "16",
        "name": "S18",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "17",
        "name": "S19",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "18",
        "name": "S20",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "19",
        "name": "S21",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "20",
        "name": "S22",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "21",
        "name": "S23",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "22",
        "name": "S24",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "23",
        "name": "S25",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "24",
        "name": "S26",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "25",
        "name": "S27",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "26",
        "name": "S28",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "27",
        "name": "S29",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "28",
        "name": "S30",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "29",
        "name": "S31",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "30",
        "name": "S32",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "31",
        "name": "S33",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "32",
        "name": "S34",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "33",
        "name": "S35",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "34",
        "name": "S36",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "35",
        "name": "S37",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "36",
        "name": "S38",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "37",
        "name": "S39",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "38",
        "name": "S40",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "39",
        "name": "S41",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "40",
        "name": "S42",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "41",
        "name": "S43",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "42",
        "name": "S44",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "43",
        "name": "S45",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "44",
        "name": "S46",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "45",
        "name": "S47",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "46",
        "name": "S48",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "47",
        "name": "S49",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "48",
        "name": "S50",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "49",
        "name": "S51",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "50",
        "name": "S52",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "51",
        "name": "S53",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "52",
        "name": "S54",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "53",
        "name": "S55",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "54",
        "name": "KS1/S56",
        "type": "output",
        "description": "Key scan output; unbalanced CMOS output robust to shorting in key matrix; configurable as segment output via control data."
      },
      {
        "number": "55",
        "name": "KS2/S57",
        "type": "output",
        "description": "Key scan output; unbalanced CMOS output robust to shorting in key matrix; configurable as segment output via control data."
      },
      {
        "number": "56",
        "name": "KS3/S58",
        "type": "output",
        "description": "Key scan output; unbalanced CMOS output robust to shorting in key matrix; configurable as segment output via control data."
      },
      {
        "number": "57",
        "name": "KS4/S59",
        "type": "output",
        "description": "Key scan output; unbalanced CMOS output robust to shorting in key matrix; configurable as segment output via control data."
      },
      {
        "number": "58",
        "name": "KS5/S60",
        "type": "output",
        "description": "Key scan output; unbalanced CMOS output robust to shorting in key matrix; configurable as segment output via control data."
      },
      {
        "number": "59",
        "name": "KS6/S61",
        "type": "output",
        "description": "Key scan output; unbalanced CMOS output robust to shorting in key matrix; configurable as segment output via control data."
      },
      {
        "number": "60",
        "name": "KI1/S62",
        "type": "bidirectional",
        "description": "Key scan input with built-in pull-down resistor; can be configured as segment output via control data KM0-KM2."
      },
      {
        "number": "61",
        "name": "KI2/S63",
        "type": "bidirectional",
        "description": "Key scan input with built-in pull-down resistor; can be configured as segment output via control data KM0-KM2."
      },
      {
        "number": "62",
        "name": "KI3/S64",
        "type": "bidirectional",
        "description": "Key scan input with built-in pull-down resistor; can be configured as segment output via control data KM0-KM2."
      },
      {
        "number": "63",
        "name": "KI4/S65",
        "type": "bidirectional",
        "description": "Key scan input with built-in pull-down resistor; can be configured as segment output via control data KM0-KM2."
      },
      {
        "number": "64",
        "name": "KI5/S66",
        "type": "bidirectional",
        "description": "Key scan input with built-in pull-down resistor; can be configured as segment output via control data KM0-KM2."
      },
      {
        "number": "65",
        "name": "COM1",
        "type": "output",
        "description": "Common driver output pin for LCD driving at frame frequency fo[Hz] determined by control data FC0-FC2."
      },
      {
        "number": "66",
        "name": "COM2",
        "type": "output",
        "description": "Common driver output pin for LCD driving at frame frequency fo[Hz] determined by control data FC0-FC2."
      },
      {
        "number": "67",
        "name": "COM3",
        "type": "output",
        "description": "Common driver output pin for LCD driving at frame frequency fo[Hz] determined by control data FC0-FC2."
      },
      {
        "number": "68",
        "name": "COM4",
        "type": "output",
        "description": "Common driver output pin for LCD driving at frame frequency fo[Hz] determined by control data FC0-FC2."
      },
      {
        "number": "69",
        "name": "S67",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "70",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input; supply voltage of 2.7V to 6.0V must be applied; connect 0.1µF capacitor to VSS."
      },
      {
        "number": "71",
        "name": "S68",
        "type": "output",
        "description": "Segment output for LCD display data transferred by serial data input."
      },
      {
        "number": "72",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output (open-drain); outputs key data and power-saving acknowledge status; requires 1kΩ to 10kΩ pull-up resistor."
      },
      {
        "number": "73",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection; power supply reference for all circuits."
      },
      {
        "number": "74",
        "name": "OSC/S69",
        "type": "bidirectional",
        "description": "Segment output S69 or external clock input OSC; functionality selectable by control data OC bit."
      },
      {
        "number": "75",
        "name": "INHb",
        "type": "input",
        "description": "Display off control input (active low); forces all segment and common outputs to VSS and stops oscillation when low."
      },
      {
        "number": "76",
        "name": "SCE",
        "type": "input",
        "description": "Chip enable input for 3-wire serial interface; must be controlled by host controller."
      },
      {
        "number": "77",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input for 3-wire serial data transfer; clock cycle time minimum 320ns."
      },
      {
        "number": "78",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input for 3-wire serial interface communication with host controller."
      },
      {
        "number": "79",
        "name": "S1/P1/G1",
        "type": "output",
        "description": "Segment output for LCD display data; configurable as PWM or General-purpose output via control data P0-P2."
      },
      {
        "number": "80",
        "name": "S2/P2/G2",
        "type": "output",
        "description": "Segment output for LCD display data; configurable as PWM or General-purpose output via control data P0-P2."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package discrepancy: User-provided hint LQFP-80(12x12) does not match datasheet package VQFP80 (14.0",
          "55/80 pins cited to the wrong page (name found elsewhere): ['6:S8@p5', '7:S9@p5', '8:S10@p5', '10:S12@p5']"
        ],
        "pages_sent": 44,
        "cost_usd": 0.7122,
        "at": "2026-09-22T00:07:09"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907733445709824",
        "pages": 44,
        "sha256": "2752135c4f4658ae",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 80,
        "described": 80,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bu97520akv-me2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          14.0,
          14.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f782bdbc6327d920be33e2b9906695d7c3690117933775c3f145eac71f2013ac",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bu97520akv-me2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          14.0,
          14.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ef4a9d54cce03a412efb85292cb4602973a1208cb9ff9921cdffaee38b8185f6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}