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Initial commit: component/lm2903brqdgkrq1

Ray ·502b6293b7 ·9d ago
2 files changed +200
README.mdadded+44
@@ -0,0 +1,44 @@+# LM2903BRQDGKRQ1++**Texas Instruments** · Comparators · VSSOP-8++LM2903BRQDGKRQ1 from Texas Instruments, in a VSSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | 1OUT | tri_state | Comparator 1 output; open-drain configuration with 25 mA maximum sink current, voltage rating −0.3 to 38 V. |+| 2 | 1IN- | input | Comparator 1 negative input; voltage rating −0.3 to 38 V, common-mode range (V−) to (V+)−1.5 V. |+| 3 | 1IN+ | input | Comparator 1 positive input; voltage rating −0.3 to 38 V, common-mode range (V−) to (V+)−1.5 V. |+| 4 | GND | power_in | Ground reference; thermal die pad must be connected directly to ground. |+| 5 | 2IN+ | input | Comparator 2 positive input; voltage rating −0.3 to 38 V, common-mode range (V−) to (V+)−1.5 V. |+| 6 | 2IN- | input | Comparator 2 negative input; voltage rating −0.3 to 38 V, common-mode range (V−) to (V+)−1.5 V. |+| 7 | 2OUT | tri_state | Comparator 2 output; open-drain configuration with 25 mA maximum sink current, voltage rating −0.3 to 38 V. |+| 8 | VCC | power_in | Positive power supply voltage; supply range 2 to 36 V for LM2903B-Q1. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM2903BRQDGKRQ1`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8 (KiCad packages3D, STEP)+- 3D model files: `lm2903brqdgkrq1-etched.step` / `lm2903brqdgkrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2903brqdgkrq1.step` / `lm2903brqdgkrq1.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600633449091260416) (44 pp, sha256 `69076f90eb22c00c`, retrieved 2026-09-27, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lm2903brqdgkrq1-datasheet.pdf)
page.jsonadded+156
@@ -0,0 +1,156 @@+{+  "slug": "lm2903brqdgkrq1",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Comparators, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "amplifiers-comparators",+    "lm2903brqdgkrq1",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm2903brqdgkrq1.kicad_sym",+    "lm2903brqdgkrq1.kicad_mod",+    "lm2903brqdgkrq1.glb",+    "lm2903brqdgkrq1.step",+    "lm2903brqdgkrq1.lbr",+    "docs/hero.png",+    "docs/lm2903brqdgkrq1-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "LM2903BRQDGKRQ1",+    "manufacturer": "Texas Instruments",+    "package": "VSSOP-8",+    "pin_count": 8,+    "category": "Amplifiers/Comparators",+    "subcategory": "Comparators",+    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600633449091260416",+    "parts": {+      "symbol": "lm2903brqdgkrq1.kicad_sym",+      "footprint": "lm2903brqdgkrq1.kicad_mod",+      "model_3d": "lm2903brqdgkrq1-etched.glb",+      "model_3d_plain": "lm2903brqdgkrq1.glb",+      "model_3d_step": "lm2903brqdgkrq1-etched.step",+      "model_3d_step_plain": "lm2903brqdgkrq1.step",+      "lbr": "lm2903brqdgkrq1.lbr"+    },+    "distributor_links": {+      "lcsc": "C5665044",+      "digikey": "296-LM2903BRQDGKRQ1TR-ND",+      "mouser": "595-LM2903BRQDGKRQ1"+    },+    "distributor_check": {+      "checked_at": "2026-09-27T00:26:59Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-LM2903BRQDGKRQ1TR-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-LM2903BRQDGKRQ1",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "1OUT",+        "type": "tri_state",+        "description": "Comparator 1 output; open-drain configuration with 25 mA maximum sink current, voltage rating −0.3 to 38 V."+      },+      {+        "number": "2",+        "name": "1IN-",+        "type": "input",+        "description": "Comparator 1 negative input; voltage rating −0.3 to 38 V, common-mode range (V−) to (V+)−1.5 V."+      },+      {+        "number": "3",+        "name": "1IN+",+        "type": "input",+        "description": "Comparator 1 positive input; voltage rating −0.3 to 38 V, common-mode range (V−) to (V+)−1.5 V."+      },+      {+        "number": "4",+        "name": "GND",+        "type": "power_in",+        "description": "Ground reference; thermal die pad must be connected directly to ground."+      },+      {+        "number": "5",+        "name": "2IN+",+        "type": "input",+        "description": "Comparator 2 positive input; voltage rating −0.3 to 38 V, common-mode range (V−) to (V+)−1.5 V."+      },+      {+        "number": "6",+        "name": "2IN-",+        "type": "input",+        "description": "Comparator 2 negative input; voltage rating −0.3 to 38 V, common-mode range (V−) to (V+)−1.5 V."+      },+      {+        "number": "7",+        "name": "2OUT",+        "type": "tri_state",+        "description": "Comparator 2 output; open-drain configuration with 25 mA maximum sink current, voltage rating −0.3 to 38 V."+      },+      {+        "number": "8",+        "name": "VCC",+        "type": "power_in",+        "description": "Positive power supply voltage; supply range 2 to 36 V for LM2903B-Q1."+      }+    ],+    "provenance": {+      "extractor": "extract_pins 0.2",+      "factory_chain": {+        "factory": "2.0.0",+        "extractor": "extract_pins 0.2",+        "primary_model": "claude-haiku-4-5-20251001",+        "primary_mode": "text",+        "consensus_model": "claude-sonnet-4-6",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [],+        "pages_sent": 44,+        "cost_usd": 0.3687,+        "at": "2026-09-27T00:26:41"+      },+      "datasheet": {+        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600633449091260416",+        "pages": 44,+        "sha256": "69076f90eb22c00c",+        "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"+    }+  },+  "visibility": "public",+  "org": "adom",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file