THS3491IRGTT

{
  "slug": "ths3491irgtt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Operational Amplifier, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ths3491irgtt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ths3491irgtt.kicad_sym",
    "ths3491irgtt.kicad_mod",
    "ths3491irgtt.glb",
    "ths3491irgtt.step",
    "ths3491irgtt.lbr",
    "docs/hero.png",
    "docs/ths3491irgtt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ths3491irgtt-hero.glb",
    "ths3491irgtt-hero.overlay.json"
  ],
  "component": {
    "mpn": "THS3491IRGTT",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ths3491",
    "parts": {
      "symbol": "ths3491irgtt.kicad_sym",
      "footprint": "ths3491irgtt.kicad_mod",
      "model_3d": "ths3491irgtt-hero.glb",
      "model_3d_plain": "ths3491irgtt.glb",
      "model_3d_step": "ths3491irgtt-etched.step",
      "model_3d_step_plain": "ths3491irgtt.step",
      "lbr": "ths3491irgtt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2058678",
      "digikey": "296-52755-2-ND",
      "mouser": "595-THS3491IRGTT"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:01:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-52755-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-THS3491IRGTT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "output",
        "description": "Input-side feedback pin of the current-feedback amplifier."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; recommended to connect to a heat-spreading plane, typically GND."
      },
      {
        "number": "3",
        "name": "VIN-",
        "type": "power_in",
        "description": "Inverting input."
      },
      {
        "number": "4",
        "name": "VIN+",
        "type": "power_in",
        "description": "Noninverting input."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground and PD logic reference on the VQFN-16 (RGT) package; it must be connected to GND."
      },
      {
        "number": "6",
        "name": "TJ_SENSE",
        "type": "output",
        "description": "Outputs a voltage proportional to die temperature; pin 5 should be tied to ground to keep this output ground-referenced."
      },
      {
        "number": "7",
        "name": "-VS",
        "type": "power_in",
        "description": "Negative power supply."
      },
      {
        "number": "8",
        "name": "-VS",
        "type": "power_in",
        "description": "Negative power supply."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; recommended to connect to a heat-spreading plane, typically GND."
      },
      {
        "number": "10",
        "name": "VOUT",
        "type": "output",
        "description": "Amplifier output."
      },
      {
        "number": "11",
        "name": "VOUT",
        "type": "output",
        "description": "Amplifier output."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; recommended to connect to a heat-spreading plane, typically GND."
      },
      {
        "number": "13",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive power supply."
      },
      {
        "number": "14",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive power supply."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; recommended to connect to a heat-spreading plane, typically GND."
      },
      {
        "number": "16",
        "name": "PD",
        "type": "input",
        "description": "Amplifier power-down: low disables the amplifier and high (default) enables it, with enable threshold REF + 1.5 V and disable threshold REF + 0.8 V."
      },
      {
        "number": "17",
        "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: Table 6-1 types FB as O (output) while describing it as the input-side feedback pin; the type was ke; The exposed thermal pad is not given a pin number in the datasheet, so it is not listed as a numbere; The REF pin is not present on the RGT (VQFN-16) package; section 9.3.2 says pin 5 (GND) takes its ro",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0799,
        "at": "2026-10-08T20:01:08"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ths3491",
        "pages": 56,
        "sha256": "0efd0b60aa999c61",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ths3491irgtt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ths3491irgtt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "82767780270d3bacdbd9eacb2f61bdd2f4c9112256bdc857a1e5a83039332b1f",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}