TPA3111D1PWP

{
  "slug": "tpa3111d1pwp",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Audio Power OpAmps, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "operational amplifier-comparator",
    "tpa3111d1pwp",
    "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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    "tpa3111d1pwp.kicad_mod",
    "tpa3111d1pwp.glb",
    "tpa3111d1pwp.step",
    "tpa3111d1pwp.lbr",
    "docs/hero.png",
    "docs/tpa3111d1pwp-datasheet.pdf",
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    "viewers/footprint.html",
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  "component": {
    "mpn": "TPA3111D1PWP",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-28-EP",
    "pin_count": 29,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tpa3111d1",
    "parts": {
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      "footprint": "tpa3111d1pwp.kicad_mod",
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      "model_3d_step_plain": "tpa3111d1pwp.step",
      "lbr": "tpa3111d1pwp.lbr"
    },
    "distributor_links": {
      "lcsc": "C2862039",
      "mouser": "595-TPA3111D1PWP"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T23:52:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 988 calls left today"
      },
      "mouser": {
        "pn": "595-TPA3111D1PWP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SD",
        "type": "input",
        "description": "Shutdown logic input for the audio amplifier (LOW = outputs Hi-Z, HIGH = outputs enabled), TTL logic levels with compliance to AVCC."
      },
      {
        "number": "2",
        "name": "FAULT",
        "type": "output",
        "description": "Open-drain output showing short-circuit or DC Detect fault status, voltage compliant to AVCC; connect to SD for short-circuit auto-recovery, otherwise cycle PVCC to reset faults."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Connect to local ground."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Connect to local ground."
      },
      {
        "number": "5",
        "name": "GAIN0",
        "type": "input",
        "description": "Gain select least significant bit, TTL logic levels with compliance to AVCC."
      },
      {
        "number": "6",
        "name": "GAIN1",
        "type": "input",
        "description": "Gain select most significant bit, TTL logic levels with compliance to AVCC."
      },
      {
        "number": "7",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply; a 100-kΩ resistor in series with AVCC is needed if the PVCC slew rate is greater than 10 V/ms."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog supply ground, connect to the thermal pad."
      },
      {
        "number": "9",
        "name": "GVDD",
        "type": "power_out",
        "description": "High-side FET gate drive supply, nominal 7 V, can also supply the PLIMIT divider; add a 1-µF capacitor to ground."
      },
      {
        "number": "10",
        "name": "PLIMIT",
        "type": "input",
        "description": "Power limit level adjust; connect directly to GVDD for no power limiting and add a 1-µF capacitor to ground."
      },
      {
        "number": "11",
        "name": "INN",
        "type": "input",
        "description": "Negative audio input, biased at 3 V."
      },
      {
        "number": "12",
        "name": "INP",
        "type": "input",
        "description": "Positive audio input, biased at 3 V."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "14",
        "name": "AVCC",
        "type": "power_in",
        "description": "Connect AVCC supply to this pin; a 100-kΩ resistor in series is needed if the PVCC slew rate exceeds 10 V/ms."
      },
      {
        "number": "15",
        "name": "PVCC",
        "type": "power_in",
        "description": "Power supply for H-bridge, PVCC pins are connected internally."
      },
      {
        "number": "16",
        "name": "PVCC",
        "type": "power_in",
        "description": "Power supply for H-bridge, PVCC pins are connected internally."
      },
      {
        "number": "17",
        "name": "BSP",
        "type": "passive",
        "description": "Bootstrap I/O for positive high-side FET."
      },
      {
        "number": "18",
        "name": "OUTP",
        "type": "output",
        "description": "Class-D H-bridge positive output."
      },
      {
        "number": "19",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the H-bridges."
      },
      {
        "number": "20",
        "name": "OUTP",
        "type": "output",
        "description": "Class-D H-bridge positive output."
      },
      {
        "number": "21",
        "name": "BSP",
        "type": "passive",
        "description": "Bootstrap I/O for positive high-side FET."
      },
      {
        "number": "22",
        "name": "BSN",
        "type": "passive",
        "description": "Bootstrap I/O for negative high-side FET."
      },
      {
        "number": "23",
        "name": "OUTN",
        "type": "output",
        "description": "Class-D H-bridge negative output."
      },
      {
        "number": "24",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the H-bridges."
      },
      {
        "number": "25",
        "name": "OUTN",
        "type": "output",
        "description": "Class-D H-bridge negative output."
      },
      {
        "number": "26",
        "name": "BSN",
        "type": "passive",
        "description": "Bootstrap I/O for negative high-side FET."
      },
      {
        "number": "27",
        "name": "PVCC",
        "type": "power_in",
        "description": "Power supply for H-bridge, PVCC pins are connected internally."
      },
      {
        "number": "28",
        "name": "PVCC",
        "type": "power_in",
        "description": "Power supply for H-bridge, PVCC pins are connected internally."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed PowerPAD thermal pad that must be connected to a thermally dissipating ground plane for proper power dissipation."
      }
    ],
    "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 pin table lists 28 numbered pins. The PowerPAD thermal pad appears as 'GND 29' in the ; The datasheet marks BSP (17, 21) and BSN (22, 26) as 'I' (input). Bootstrap pins are functionally bi; The datasheet marks GVDD (pin 9) as 'O'. It was mapped to power_out because it is an internally gene",
          "exposed pad 29 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0806,
        "at": "2026-10-28T23:52:28"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tpa3111d1",
        "pages": 30,
        "sha256": "5e5c050af5c89735",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 29,
        "described": 29,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "checked": "2026-10-28",
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        "sha256": "ab3b00e0da07f99ef1980b1f9563d6304f5db5a3eab15d7ab0ab4b3dca53e286",
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  }
}