LM2901BQDRQ1

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2901bqdrq1",
  "title": "LM2901BQDRQ1",
  "brief": "Texas Instruments Comparators, SOIC-14. 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",
    "amplifiers-comparators",
    "lm2901bqdrq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2901BQDRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://www.ti.com.cn/cn/lit/ds/symlink/lm2901b-q1.pdf?ts=1730942509096&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fsitesearch%252Fzh-cn%252Fdocs%252Funiversalsearch.tsp%253FlangPref%253Dzh-CN%2526nr%253D10%2526searchTerm%253DLM2901BQDRQ1",
    "parts": {
      "symbol": "lm2901bqdrq1.kicad_sym",
      "footprint": "lm2901bqdrq1.kicad_mod",
      "model_3d": "lm2901bqdrq1-hero.glb",
      "model_3d_plain": "lm2901bqdrq1-etched.glb",
      "model_3d_step": "lm2901bqdrq1-etched.step",
      "model_3d_step_plain": "lm2901bqdrq1.step",
      "lbr": "lm2901bqdrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C22427715",
      "digikey": "296-LM2901BQDRQ1TR-ND",
      "mouser": "595-LM2901BQDRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T19:31:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LM2901BQDRQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM2901BQDRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT1",
        "type": "output",
        "description": "Output pin of comparator 2 as labeled in the table (open-collector output; the datasheet notes channel 1 and 2 names are transposed by some manufacturers)."
      },
      {
        "number": "2",
        "name": "OUT2",
        "type": "output",
        "description": "Output pin of comparator 1 as labeled in the table (open-collector output; the datasheet notes channel 1 and 2 names are transposed by some manufacturers)."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; LM2901B-Q1 operates from 2 V to 36 V."
      },
      {
        "number": "4",
        "name": "IN2–",
        "type": "input",
        "description": "Negative input pin of comparator 1 as labeled in the table (channel naming may be transposed with channel 2)."
      },
      {
        "number": "5",
        "name": "IN2+",
        "type": "input",
        "description": "Positive input pin of comparator 1 as labeled in the table (channel naming may be transposed with channel 2)."
      },
      {
        "number": "6",
        "name": "IN1–",
        "type": "input",
        "description": "Negative input pin of comparator 2 as labeled in the table (channel naming may be transposed with channel 1)."
      },
      {
        "number": "7",
        "name": "IN1+",
        "type": "input",
        "description": "Positive input pin of comparator 2 as labeled in the table (channel naming may be transposed with channel 1)."
      },
      {
        "number": "8",
        "name": "IN3–",
        "type": "input",
        "description": "Negative input pin of comparator 3."
      },
      {
        "number": "9",
        "name": "IN3+",
        "type": "input",
        "description": "Positive input pin of comparator 3."
      },
      {
        "number": "10",
        "name": "IN4–",
        "type": "input",
        "description": "Negative input pin of comparator 4."
      },
      {
        "number": "11",
        "name": "IN4+",
        "type": "input",
        "description": "Positive input pin of comparator 4."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Negative supply (ground)."
      },
      {
        "number": "13",
        "name": "OUT4",
        "type": "output",
        "description": "Output pin of comparator 4 (open-collector output)."
      },
      {
        "number": "14",
        "name": "OUT3",
        "type": "output",
        "description": "Output pin of comparator 3 (open-collector output)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table (page 4) labels channels 1 and 2 inconsistently with the usual convention. OUT1 is des; The datasheet does not state the pin type for the outputs. They were classed as 'output' based on th"
        ],
        "pages_sent": 10,
        "cost_usd": 0.2017,
        "at": "2026-10-26T19:31:15"
      },
      "datasheet": {
        "url": "https://www.ti.com.cn/cn/lit/ds/symlink/lm2901b-q1.pdf?ts=1730942509096&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fsitesearch%252Fzh-cn%252Fdocs%252Funiversalsearch.tsp%253FlangPref%253Dzh-CN%2526nr%253D10%2526searchTerm%253DLM2901BQDRQ1",
        "pages": 35,
        "sha256": "1a952a1b94f81bb7",
        "source_tier": "lcsc"
      },
      "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": "lm2901bqdrq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          8.7,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2901bqdrq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          8.7,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4dbd1b1cdc89d41e625b5f3ce6a3ff6b9a558c8aeb9c5c3cce275572ac7728e5",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-14",
      "Category": "Amplifiers/Comparators",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1a952a1b94f81bb702d1480f17751c5523e38095a2b57acb06916795e2b031ca",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 38,
          "conditions": "VS = (V+) – (V–)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Differential input voltage",
          "symbol": "VID",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -38,
          "typ": null,
          "max": 38,
          "conditions": "IN+ with respect to IN-",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input pins voltage (IN+, IN–)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 38,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current into input pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "IN+, IN–",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 38,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output sink current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 36,
          "conditions": "VS = (V+) – (V–)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "LM2901B-Q1",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 111.2,
          "max": null,
          "conditions": "D (SOIC) 14 pins",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 66.9,
          "max": null,
          "conditions": "D (SOIC) 14 pins",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 67.8,
          "max": null,
          "conditions": "D (SOIC) 14 pins",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 28,
          "max": null,
          "conditions": "D (SOIC) 14 pins",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 67.4,
          "max": null,
          "conditions": "D (SOIC) 14 pins",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": -3.5,
          "typ": 0.37,
          "max": 3.5,
          "conditions": "VS = 5 to 36V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage over temperature",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": -5.5,
          "typ": null,
          "max": 5.5,
          "conditions": "VS = 5 to 36V, TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input bias current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": -3.5,
          "max": -25,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input bias current over temperature",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -50,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input offset current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "nA",
          "min": -25,
          "typ": 0.5,
          "max": 25,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input offset current over temperature",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "nA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Large signal differential voltage amplification",
          "symbol": "AVD",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 50,
          "typ": 200,
          "max": null,
          "conditions": "VS = 15V, VO = 1.4V to 11.4V; RL ≥ 15k to (V+)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 110,
          "max": 400,
          "conditions": "ISINK ≤ 4mA, VID = -1V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low level output voltage over temperature",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 550,
          "conditions": "ISINK ≤ 4mA, VID = -1V, TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level output leakage current",
          "symbol": "IOH-LKG",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 0.1,
          "max": 50,
          "conditions": "(V+) = VO = 5V; VID = 1V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level output leakage current",
          "symbol": "IOH-LKG",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "(V+) = VO = 36V; VID = 1V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low level output current",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": 6,
          "typ": null,
          "max": 21,
          "conditions": "VOL = 1.5V; VID = -1V; VS = 5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current (all comparators)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.8,
          "max": 1.2,
          "conditions": "VS = 5V, no load",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current (all comparators)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 1.6,
          "conditions": "VS = 36V, no load, TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay time, high-to-low, small scale input",
          "symbol": "tresponse",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 1000,
          "max": null,
          "conditions": "Input overdrive = 5mV, Input step = 100mV",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay time, high-to-low, TTL input",
          "symbol": "tresponse",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "TTL input with Vref = 1.4V",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2901bqdrq1"
  ],
  "discovery_pitch": "LM2901BQDRQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2901bqdrq1.kicad_sym",
    "lm2901bqdrq1.kicad_mod",
    "lm2901bqdrq1.glb",
    "lm2901bqdrq1.step",
    "lm2901bqdrq1.lbr",
    "docs/hero.png",
    "docs/lm2901bqdrq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2901bqdrq1-hero.glb",
    "lm2901bqdrq1-hero.overlay.json",
    "lm2901bqdrq1-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}