TPA3111D1PWP

{
  "schema_version": 1,
  "type": "component",
  "slug": "tpa3111d1pwp",
  "title": "TPA3111D1PWP",
  "brief": "Texas Instruments Audio Power OpAmps, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "operational amplifier-comparator",
    "tpa3111d1pwp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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": {
      "symbol": "tpa3111d1pwp.kicad_sym",
      "footprint": "tpa3111d1pwp.kicad_mod",
      "model_3d": "tpa3111d1pwp-hero.glb",
      "model_3d_plain": "tpa3111d1pwp-etched.glb",
      "model_3d_step": "tpa3111d1pwp-etched.step",
      "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
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "tpa3111d1pwp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.2,
          9.7,
          1.05
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ff242f1d3be9d09e7f929707a2c5b1ee974a4f882053b04bcdb1cd2cb21223ef",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tpa3111d1pwp-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ab3b00e0da07f99ef1980b1f9563d6304f5db5a3eab15d7ab0ab4b3dca53e286",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-28-EP",
      "Category": "Operational Amplifier/Comparator",
      "Pins": "29"
    },
    "appearance": {
      "contacts": {
        "quote": "noise on the power supply leads. For higher frequency transients due to parasitic circuit elements such as bond wire and copper trace inductances as well as lead frame capacitance, a good-quality, low",
        "page": 20,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "5e5c050af5c897356806133a7586f8557a9fff45be82f4c45aae123a575b4db0"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5e5c050af5c897356806133a7586f8557a9fff45be82f4c45aae123a575b4db0",
      "rows": [
        {
          "name": "Supply voltage PVCC, AVCC",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 8,
          "typ": null,
          "max": 26,
          "conditions": "Over operating free-air temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage SD, GAIN0, GAIN1",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage SD, GAIN0, GAIN1",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage FAULT",
          "symbol": "VOL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "RPULLUP = 100 kΩ, VCC = 26 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level input current SD, GAIN0, GAIN1",
          "symbol": "IIH",
          "kind": "recommended_operating",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VI = 2 V, VCC = 18 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current SD, GAIN0, GAIN1",
          "symbol": "IIL",
          "kind": "recommended_operating",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VI = 0.8 V, VCC = 18 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage AVCC, PVCC (absolute maximum)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Interface pin voltage SD, FAULT, GAIN0, GAIN1, AVCC (pin 14); max printed as VCC + 0.3",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Voltage slew rate <10 V/ms",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Interface pin voltage PLIMIT; max printed as VGVDD + 0.3",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Interface pin voltage INN, INP",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum load resistance, BTL",
          "symbol": "RL",
          "kind": "absolute_maximum",
          "unit": "Ω",
          "min": 3.2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge, human-body model (HBM)",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "Human-body model (HBM), JEDEC Standard 22 Test Method A114-B",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge, charged-device model (CDM)",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "Charged-device model (CDM)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Class-D output offset voltage (measured differentially)",
          "symbol": "|VOS|",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.5,
          "max": 15,
          "conditions": "VCC = 24 V; TA = 25°C, RL = 8 Ω; VI = 0 V, Gain = 36 dB",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gain, VGAIN1 = 0.8 V, VGAIN0 = 0.8 V",
          "symbol": "G",
          "kind": "electrical",
          "unit": "dB",
          "min": 19,
          "typ": 20,
          "max": 21,
          "conditions": "VCC = 24 V; TA = 25°C, RL = 8 Ω; VGAIN1 = 0.8 V, VGAIN0 = 0.8 V",
          "source_page": 5,
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        },
        {
          "name": "Gain, VGAIN1 = 0.8 V, VGAIN0 = 2 V",
          "symbol": "G",
          "kind": "electrical",
          "unit": "dB",
          "min": 25,
          "typ": 26,
          "max": 27,
          "conditions": "VCC = 24 V; TA = 25°C, RL = 8 Ω; VGAIN0 = 2 V (VGAIN1 = 0.8 V)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gain, VGAIN1 = 2 V, VGAIN0 = 0.8 V",
          "symbol": "G",
          "kind": "electrical",
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          "min": 31,
          "typ": 32,
          "max": 33,
          "conditions": "VCC = 24 V; TA = 25°C, RL = 8 Ω; VGAIN0 = 0.8 V (VGAIN1 = 2 V)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gain, VGAIN1 = 2 V, VGAIN0 = 2 V",
          "symbol": "G",
          "kind": "electrical",
          "unit": "dB",
          "min": 35,
          "typ": 36,
          "max": 37,
          "conditions": "VCC = 24 V; TA = 25°C, RL = 8 Ω; VGAIN0 = 2 V (VGAIN1 = 2 V)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gate drive supply",
          "symbol": "VGVDD",
          "kind": "electrical",
          "unit": "V",
          "min": 6.5,
          "typ": 6.9,
          "max": 7.3,
          "conditions": "VCC = 24 V; TA = 25°C, RL = 8 Ω; IGVDD = 2 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gain, VGAIN1 = 0.8 V, VGAIN0 = 0.8 V",
          "symbol": "G",
          "kind": "electrical",
          "unit": "dB",
          "min": 19,
          "typ": 20,
          "max": 21,
          "conditions": "VCC = 12 V; TA = 25°C, RL = 8 Ω; VGAIN1 = 0.8 V, VGAIN0 = 0.8 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Gain, VGAIN1 = 0.8 V, VGAIN0 = 2 V",
          "symbol": "G",
          "kind": "electrical",
          "unit": "dB",
          "min": 25,
          "typ": 26,
          "max": 27,
          "conditions": "VCC = 12 V; TA = 25°C, RL = 8 Ω; VGAIN0 = 2 V (VGAIN1 = 0.8 V)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Gain, VGAIN1 = 2 V, VGAIN0 = 0.8 V",
          "symbol": "G",
          "kind": "electrical",
          "unit": "dB",
          "min": 31,
          "typ": 32,
          "max": 33,
          "conditions": "VCC = 12 V; TA = 25°C, RL = 8 Ω; VGAIN0 = 0.8 V (VGAIN1 = 2 V)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Gain, VGAIN1 = 2 V, VGAIN0 = 2 V",
          "symbol": "G",
          "kind": "electrical",
          "unit": "dB",
          "min": 35,
          "typ": 36,
          "max": 37,
          "conditions": "VCC = 12 V; TA = 25°C, RL = 8 Ω; VGAIN0 = 2 V (VGAIN1 = 2 V)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Gate drive supply",
          "symbol": "VGVDD",
          "kind": "electrical",
          "unit": "V",
          "min": 6.5,
          "typ": 6.9,
          "max": 7.3,
          "conditions": "VCC = 12 V; TA = 25°C, RL = 8 Ω; IGVDD = 2 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output voltage maximum under PLIMIT control",
          "symbol": "PLIMIT",
          "kind": "electrical",
          "unit": "V",
          "min": 6.75,
          "typ": 7.9,
          "max": 8.75,
          "conditions": "VCC = 12 V; TA = 25°C, RL = 8 Ω; VPLIMIT = 2 V, VI = 6 V differential",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power supply ripple rejection",
          "symbol": "KSVR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": null,
          "max": -70,
          "conditions": "VCC = 24 V; 200-mVPP ripple from 20 Hz to 1 kHz, Gain = 20 dB, Inputs AC-coupled to AGND",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Total harmonic distortion + noise",
          "symbol": "THD+N",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.05,
          "conditions": "VCC = 24 V; f = 1 kHz, PO = 5 W (half-power)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output integrated noise",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "µV",
          "min": null,
          "typ": null,
          "max": 65,
          "conditions": "VCC = 24 V; 20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output integrated noise",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "dBV",
          "min": null,
          "typ": null,
          "max": -80,
          "conditions": "VCC = 24 V; 20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Crosstalk",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": null,
          "max": -70,
          "conditions": "VCC = 24 V; f = 1 kHz, VO = 1 Vrms, Gain = 20 dB",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Signal-to-noise ratio",
          "symbol": "SNR",
          "kind": "electrical",
          "unit": "dB",
          "min": 102,
          "typ": null,
          "max": null,
          "conditions": "VCC = 24 V; Maximum output at THD+N < 1%, f = 1 kHz, Gain = 20 dB, A-weighted",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency",
          "symbol": "fOSC",
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