TAS2521IRGER

{
  "slug": "tas2521irger",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Audio Amplifiers, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "tas2521irger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tas2521irger.kicad_sym",
    "tas2521irger.kicad_mod",
    "tas2521irger.glb",
    "tas2521irger.step",
    "tas2521irger.lbr",
    "docs/hero.png",
    "docs/tas2521irger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tas2521irger-hero.glb",
    "tas2521irger-hero.overlay.json"
  ],
  "component": {
    "mpn": "TAS2521IRGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tas2521",
    "parts": {
      "symbol": "tas2521irger.kicad_sym",
      "footprint": "tas2521irger.kicad_mod",
      "model_3d": "tas2521irger-hero.glb",
      "model_3d_plain": "tas2521irger.glb",
      "model_3d_step": "tas2521irger-etched.step",
      "model_3d_step_plain": "tas2521irger.step",
      "lbr": "tas2521irger.lbr"
    },
    "distributor_links": {
      "lcsc": "C2862739",
      "digikey": "296-TAS2521IRGERTR-ND",
      "mouser": "595-TAS2521IRGER"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T09:22:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TAS2521IRGERTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TAS2521IRGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SPI_SEL",
        "type": "input",
        "description": "Selects between SPI and I2C digital interface modes: 1 = SPI mode, 0 = I2C mode."
      },
      {
        "number": "2",
        "name": "RST",
        "type": "input",
        "description": "Reset for logic, state machines and digital filters, asserted LOW."
      },
      {
        "number": "3",
        "name": "AINL",
        "type": "input",
        "description": "Analog single-ended line left input, also usable as mixer and headphone driver input."
      },
      {
        "number": "4",
        "name": "AINR",
        "type": "input",
        "description": "Analog single-ended line right input, also usable as mixer and headphone driver input."
      },
      {
        "number": "5",
        "name": "HPOUT",
        "type": "output",
        "description": "Headphone and lineout driver output."
      },
      {
        "number": "6",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground, 0 V."
      },
      {
        "number": "7",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog core supply voltage, 1.5 V to 1.95 V, tied internally to the LDO output."
      },
      {
        "number": "8",
        "name": "LDO_SEL",
        "type": "input",
        "description": "Select pin for the LDO; ties to either SPKVDD or SPKVSS."
      },
      {
        "number": "9",
        "name": "SPKM",
        "type": "output",
        "description": "Class-D speaker driver inverting output."
      },
      {
        "number": "10",
        "name": "SPKVDD",
        "type": "power_in",
        "description": "Class-D speaker driver power supply, 2.7 V to 5.5 V, must not be below AVDD to minimize battery leakage."
      },
      {
        "number": "11",
        "name": "SPKVSS",
        "type": "power_in",
        "description": "Class-D speaker driver power supply ground."
      },
      {
        "number": "12",
        "name": "SPKP",
        "type": "output",
        "description": "Class-D speaker driver non-inverting output."
      },
      {
        "number": "13",
        "name": "DIN",
        "type": "input",
        "description": "Audio serial data bus input data."
      },
      {
        "number": "14",
        "name": "WCLK",
        "type": "bidirectional",
        "description": "Audio serial data bus word clock."
      },
      {
        "number": "15",
        "name": "BCLK",
        "type": "bidirectional",
        "description": "Audio serial data bus bit clock."
      },
      {
        "number": "16",
        "name": "MCLK",
        "type": "input",
        "description": "Master clock input and reference clock for the PLL clock multiplier; PLLCLK equals CLKIN on startup, 50 MHz maximum."
      },
      {
        "number": "17",
        "name": "MISO",
        "type": "output",
        "description": "SPI serial data output."
      },
      {
        "number": "18",
        "name": "GPIO/DOUT",
        "type": "bidirectional",
        "description": "General-purpose I/O or audio serial bus output (I/O/Z per the datasheet pin table)."
      },
      {
        "number": "19",
        "name": "SCL/SSZ",
        "type": "input",
        "description": "I2C input serial clock or SPI chip select, depending on the SPI_SEL state."
      },
      {
        "number": "20",
        "name": "SDA/MOSI",
        "type": "input",
        "description": "I2C serial data input or SPI serial data input (MOSI), depending on the SPI_SEL state."
      },
      {
        "number": "21",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock for the SPI interface."
      },
      {
        "number": "22",
        "name": "IOVDD",
        "type": "power_in",
        "description": "I/O power supply, 1.1 V to 3.6 V."
      },
      {
        "number": "23",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply, 1.65 V to 1.95 V."
      },
      {
        "number": "24",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground, 0 V."
      },
      {
        "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's RGE pin table (Table 2-1) lists pins 1-24 only. The exposed thermal pad of the VQFN ; The package hint says VQFN-24-EP(4x4). The datasheet calls the package RGE, a 24-pin QFN 4 mm x 4 mm; Pin types were mapped from the datasheet's I/O codes to KiCad classes: I to input, O to output, I/O ",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0719,
        "at": "2026-10-12T09:21:50"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tas2521",
        "pages": 37,
        "sha256": "da7d823ef60b589b",
        "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": "tas2521irger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tas2521irger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "43ea08e8d25100788bca40195d262448b75d899b3ec56a1785fe81aefa3d8ffa",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}