LM2903BQPWRQ1

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2903bqpwrq1",
  "title": "LM2903BQPWRQ1",
  "brief": "Texas Instruments Comparators, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "amplifiers-comparators",
    "lm2903bqpwrq1",
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  "component": {
    "mpn": "LM2903BQPWRQ1",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2903-q1",
    "parts": {
      "symbol": "lm2903bqpwrq1.kicad_sym",
      "footprint": "lm2903bqpwrq1.kicad_mod",
      "model_3d": "lm2903bqpwrq1-hero.glb",
      "model_3d_plain": "lm2903bqpwrq1.glb",
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      "model_3d_step_plain": "lm2903bqpwrq1.step",
      "lbr": "lm2903bqpwrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2873282",
      "digikey": "296-LM2903BQPWRQ1TR-ND",
      "mouser": "595-LM2903BQPWRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T07:26:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LM2903BQPWRQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM2903BQPWRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Comparator 1 output pin; open-collector output compatible with TTL/MOS/CMOS, maximum 25 mA sink current."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Negative input of comparator 1; supports differential input range ±36V with common-mode range including ground."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Positive input of comparator 1; supports differential input range ±36V with common-mode range including ground."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Positive input of comparator 2; supports differential input range ±36V with common-mode range including ground."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Negative input of comparator 2; supports differential input range ±36V with common-mode range including ground."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Comparator 2 output pin; open-collector output compatible with TTL/MOS/CMOS, maximum 25 mA sink current."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, operating range 2V to 36V for LM2903B-Q1."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 11,
        "cost_usd": 0.1254,
        "at": "2026-10-07T07:26:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2903-q1",
        "pages": 47,
        "sha256": "765b5f97d419335c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "lm2903bqpwrq1.step",
        "role": "plain",
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        "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": "cf28a51742b2e31065e201d1b313207140cbfb49062efd938788f7a310d02738",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2903bqpwrq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1a138fd2d102e71c5a8e3e494e9cd90c1fc4314e7ee0993e44a94c393d39639c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "lm2903bqpwrq1"
  ],
  "discovery_pitch": "LM2903BQPWRQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "lm2903bqpwrq1.lbr",
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    "docs/lm2903bqpwrq1-datasheet.pdf",
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  "visibility": {
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}