TPA3101D2RGZR

{
  "slug": "tpa3101d2rgzr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Audio Amplifiers, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "tpa3101d2rgzr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
  },
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    "README.md",
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    "tpa3101d2rgzr.kicad_mod",
    "tpa3101d2rgzr.glb",
    "tpa3101d2rgzr.step",
    "tpa3101d2rgzr.lbr",
    "docs/hero.png",
    "docs/tpa3101d2rgzr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "tpa3101d2rgzr-hero.overlay.json"
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  "component": {
    "mpn": "TPA3101D2RGZR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tpa3101d2",
    "parts": {
      "symbol": "tpa3101d2rgzr.kicad_sym",
      "footprint": "tpa3101d2rgzr.kicad_mod",
      "model_3d": "tpa3101d2rgzr-hero.glb",
      "model_3d_plain": "tpa3101d2rgzr.glb",
      "model_3d_step": "tpa3101d2rgzr-etched.step",
      "model_3d_step_plain": "tpa3101d2rgzr.step",
      "lbr": "tpa3101d2rgzr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2870751",
      "digikey": "296-19424-2-ND",
      "mouser": "595-TPA3101D2RGZR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:54:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-19424-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPA3101D2RGZR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; the GND row also lists pin 1 for connection to the thermal pad, so this assignment needs verification."
      },
      {
        "number": "2",
        "name": "RINN",
        "type": "input",
        "description": "Negative audio input for right channel, biased at VREG/2."
      },
      {
        "number": "3",
        "name": "RINP",
        "type": "input",
        "description": "Positive audio input for right channel, biased at VREG/2."
      },
      {
        "number": "4",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground for digital/analog cells in core; connect to AGND and PGND as a star point for both grounds."
      },
      {
        "number": "5",
        "name": "LINP",
        "type": "input",
        "description": "Positive audio input for left channel, biased at VREG/2."
      },
      {
        "number": "6",
        "name": "LINN",
        "type": "input",
        "description": "Negative audio input for left channel, biased at VREG/2."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected."
      },
      {
        "number": "8",
        "name": "GAIN0",
        "type": "input",
        "description": "Gain select least significant bit; TTL logic levels with compliance to VREG."
      },
      {
        "number": "9",
        "name": "GAIN1",
        "type": "input",
        "description": "Gain select most significant bit; TTL logic levels with compliance to VREG."
      },
      {
        "number": "10",
        "name": "MSTR/SLV",
        "type": "input",
        "description": "Master/slave select for SYNC direction: HIGH = master mode (SYNC is output), LOW = slave mode (SYNC accepts clock input); TTL logic levels with compliance to VREG."
      },
      {
        "number": "11",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Clock input/output for synchronizing multiple class-D devices; direction set by MSTR/SLV and input signal must not exceed VREG."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; the GND row also lists pin 12 for connection to the thermal pad, so this assignment needs verification."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; the GND row also lists pin 13 for connection to the thermal pad, so this assignment needs verification."
      },
      {
        "number": "14",
        "name": "ROSC",
        "type": "bidirectional",
        "description": "I/O for current-setting resistor of the ramp generator."
      },
      {
        "number": "15",
        "name": "VREG",
        "type": "output",
        "description": "4-V regulated output for internal cells, GAINx, MUTE and MSTR/SLV pins only; not specified for driving other external circuitry."
      },
      {
        "number": "16",
        "name": "VBYP",
        "type": "output",
        "description": "Reference for preamplifier, nominally 1.25 V; also controls start-up time via external capacitor sizing."
      },
      {
        "number": "17",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground for digital/analog cells in core; connect to AGND and PGND as a star point for both grounds."
      },
      {
        "number": "18",
        "name": "BSLP",
        "type": "bidirectional",
        "description": "Bootstrap I/O for left channel, positive high-side FET."
      },
      {
        "number": "19",
        "name": "LOUTP",
        "type": "output",
        "description": "Class-D 1/2-H-bridge positive output for left channel."
      },
      {
        "number": "20",
        "name": "LOUTP",
        "type": "output",
        "description": "Class-D 1/2-H-bridge positive output for left channel."
      },
      {
        "number": "21",
        "name": "LOUTN",
        "type": "output",
        "description": "Class-D 1/2-H-bridge negative output for left channel."
      },
      {
        "number": "22",
        "name": "LOUTN",
        "type": "output",
        "description": "Class-D 1/2-H-bridge negative output for left channel."
      },
      {
        "number": "23",
        "name": "BSLN",
        "type": "bidirectional",
        "description": "Bootstrap I/O for left channel, negative high-side FET."
      },
      {
        "number": "24",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; the GND row also lists pin 24 for connection to the thermal pad, so this assignment needs verification."
      },
      {
        "number": "25",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; the GND row also lists pin 25 for connection to the thermal pad, so this assignment needs verification."
      },
      {
        "number": "26",
        "name": "PVCCL",
        "type": "power_in",
        "description": "Power supply for left channel H-bridge, not internally connected to PVCCR or AVCC."
      },
      {
        "number": "27",
        "name": "PVCCL",
        "type": "power_in",
        "description": "Power supply for left channel H-bridge, not internally connected to PVCCR or AVCC."
      },
      {
        "number": "28",
        "name": "PGNDL",
        "type": "power_in",
        "description": "Power ground for left channel H-bridge."
      },
      {
        "number": "29",
        "name": "PGNDL",
        "type": "power_in",
        "description": "Power ground for left channel H-bridge."
      },
      {
        "number": "30",
        "name": "VCLAMPL",
        "type": "power_out",
        "description": "Internally generated voltage supply for left channel bootstrap capacitor."
      },
      {
        "number": "31",
        "name": "VCLAMPR",
        "type": "power_out",
        "description": "Internally generated voltage supply for right channel bootstrap capacitor."
      },
      {
        "number": "32",
        "name": "PGNDR",
        "type": "power_in",
        "description": "Power ground for right channel H-bridge."
      },
      {
        "number": "33",
        "name": "PGNDR",
        "type": "power_in",
        "description": "Power ground for right channel H-bridge."
      },
      {
        "number": "34",
        "name": "PVCCR",
        "type": "power_in",
        "description": "Power supply for right channel H-bridge, not connected to PVCCL or AVCC."
      },
      {
        "number": "35",
        "name": "PVCCR",
        "type": "power_in",
        "description": "Power supply for right channel H-bridge, not connected to PVCCL or AVCC."
      },
      {
        "number": "36",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; the GND row also lists pin 36 for connection to the thermal pad, so this assignment needs verification."
      },
      {
        "number": "37",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; the GND row also lists pin 37 for connection to the thermal pad, so this assignment needs verification."
      },
      {
        "number": "38",
        "name": "BSRN",
        "type": "bidirectional",
        "description": "Bootstrap I/O for right channel, negative high-side FET."
      },
      {
        "number": "39",
        "name": "ROUTN",
        "type": "output",
        "description": "Class-D 1/2-H-bridge negative output for right channel."
      },
      {
        "number": "40",
        "name": "ROUTN",
        "type": "output",
        "description": "Class-D 1/2-H-bridge negative output for right channel."
      },
      {
        "number": "41",
        "name": "ROUTP",
        "type": "output",
        "description": "Class-D 1/2-H-bridge positive output for right channel."
      },
      {
        "number": "42",
        "name": "ROUTP",
        "type": "output",
        "description": "Class-D 1/2-H-bridge positive output for right channel."
      },
      {
        "number": "43",
        "name": "BSRP",
        "type": "bidirectional",
        "description": "Bootstrap I/O for right channel, positive high-side FET."
      },
      {
        "number": "44",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Shutdown signal for IC (LOW = disabled, HIGH = operational); TTL logic levels with compliance to AVCC."
      },
      {
        "number": "45",
        "name": "MUTE",
        "type": "input",
        "description": "Mute for quick disable/enable of outputs (HIGH = outputs high-Z, LOW = outputs enabled); TTL logic levels with compliance to AVCC."
      },
      {
        "number": "46",
        "name": "FAULT",
        "type": "output",
        "description": "TTL-compatible short-circuit fault flag (HIGH = short-circuit fault, LOW = no fault); thermal faults are not reported on this terminal."
      },
      {
        "number": "47",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected."
      },
      {
        "number": "48",
        "name": "AVCC",
        "type": "power_in",
        "description": "High-voltage analog power supply, not internally connected to PVCCR or PVCCL."
      },
      {
        "number": "49",
        "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: Conflicting assignment: the GND row and the NC row both list pins 1, 12, 13, 24, 25, 36 and 37 in th; Pins 7 and 47 appear only in the NC row, so they are typed as not connected.; The pin-48 description text is garbled in the extraction. The row names AVCC, and the text reads 'no",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0906,
        "at": "2026-10-08T16:53:53"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tpa3101d2",
        "pages": 46,
        "sha256": "883db75757419877",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "tpa3101d2rgzr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tpa3101d2rgzr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a52855fc34c204b46c383c1bb6885ac2d1bcf686b621f01e70e7068aef160b9",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}