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Ray Publish 0.1.0 aabde6e 1d ago
{
  "slug": "lm2902qt14-13",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated Operational Amplifier, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "operational amplifier-comparator",
    "lm2902qt14-13",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2902qt14-13.kicad_sym",
    "lm2902qt14-13.kicad_mod",
    "lm2902qt14-13.glb",
    "lm2902qt14-13.step",
    "lm2902qt14-13.lbr",
    "docs/hero.png",
    "docs/lm2902qt14-13-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2902qt14-13-hero.glb",
    "lm2902qt14-13-hero.overlay.json",
    "lm2902qt14-13-etched.glb"
  ],
  "component": {
    "mpn": "LM2902QT14-13",
    "manufacturer": "Diodes Incorporated",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.diodes.com/assets/Datasheets/LM2902QT14-13.pdf",
    "parts": {
      "symbol": "lm2902qt14-13.kicad_sym",
      "footprint": "lm2902qt14-13.kicad_mod",
      "model_3d": "lm2902qt14-13-hero.glb",
      "model_3d_plain": "lm2902qt14-13-etched.glb",
      "model_3d_step": "lm2902qt14-13-etched.step",
      "model_3d_step_plain": "lm2902qt14-13.step",
      "lbr": "lm2902qt14-13.lbr"
    },
    "distributor_links": {
      "lcsc": "C2059020",
      "digikey": "31-LM2902QT14-13TR-ND",
      "mouser": "621-LM2902QT14-13"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T18:47:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-LM2902QT14-13TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-LM2902QT14-13",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Channel 1 output; short circuits to ground or to VCC must be of short duration because excessive chip dissipation can destroy the device."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Channel 1 inverting input; the input common-mode range is 0 V to VCC-1.5 V at +25°C (VCC-2.0 V over full temperature), and either input can go to +36 V without damage."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Channel 1 non-inverting input; the input common-mode range is 0 V to VCC-1.5 V at +25°C (VCC-2.0 V over full temperature), and either input can go to +36 V without damage."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip supply voltage; the Recommended Operating Conditions give a single supply of 2 V to 36 V or a dual supply of ±1 V to ±18 V."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Channel 2 non-inverting input; the input common-mode range is 0 V to VCC-1.5 V at +25°C (VCC-2.0 V over full temperature), and either input can go to +36 V without damage."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Channel 2 inverting input; the input common-mode range is 0 V to VCC-1.5 V at +25°C (VCC-2.0 V over full temperature), and either input can go to +36 V without damage."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Channel 2 output; short circuits to ground or to VCC must be of short duration because excessive chip dissipation can destroy the device."
      },
      {
        "number": "8",
        "name": "3OUT",
        "type": "output",
        "description": "Channel 3 output; short circuits to ground or to VCC must be of short duration because excessive chip dissipation can destroy the device."
      },
      {
        "number": "9",
        "name": "3IN-",
        "type": "input",
        "description": "Channel 3 inverting input; the input common-mode range is 0 V to VCC-1.5 V at +25°C (VCC-2.0 V over full temperature), and either input can go to +36 V without damage."
      },
      {
        "number": "10",
        "name": "3IN+",
        "type": "input",
        "description": "Channel 3 non-inverting input; the input common-mode range is 0 V to VCC-1.5 V at +25°C (VCC-2.0 V over full temperature), and either input can go to +36 V without damage."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; for single-supply operation a minimum 0.1 µF bypass capacitor should be placed as close as possible between VCC and GND."
      },
      {
        "number": "12",
        "name": "4IN+",
        "type": "input",
        "description": "Channel 4 non-inverting input; the input common-mode range is 0 V to VCC-1.5 V at +25°C (VCC-2.0 V over full temperature), and either input can go to +36 V without damage."
      },
      {
        "number": "13",
        "name": "4IN-",
        "type": "input",
        "description": "Channel 4 inverting input; the input common-mode range is 0 V to VCC-1.5 V at +25°C (VCC-2.0 V over full temperature), and either input can go to +36 V without damage."
      },
      {
        "number": "14",
        "name": "4OUT",
        "type": "output",
        "description": "Channel 4 output; short circuits to ground or to VCC must be of short duration because excessive chip dissipation can destroy the device."
      }
    ],
    "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 part LM2902QT14-13 is the quad LM2902Q in TSSOP-14 (Ordering Information, page 13), so the LM290; The pin-number-to-name mapping was taken from the Pin Descriptions table on page 2. The Pin Assignme; The datasheet gives only functional descriptions per pin, not per-pin electrical limits. The limits "
        ],
        "pages_sent": 20,
        "cost_usd": 0.0875,
        "at": "2026-11-05T18:47:30"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/LM2902QT14-13.pdf",
        "pages": 20,
        "sha256": "12a3965c03721356",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm2902qt14-13.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2902qt14-13-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0f63b2818b3a23d0c5151c4cb38919292b30eb3e6ae72913c0c3be6e6991c320",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "T14",
      "source_page": 16,
      "D": {
        "nom_mm": 5.0,
        "range_mm": [
          4.9,
          5.1
        ]
      },
      "E1": {
        "nom_mm": 4.4,
        "range_mm": [
          4.3,
          4.5
        ]
      },
      "E": {
        "nom_mm": 6.4,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "lm2902qt14-13.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}