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Initial commit: component/lm2903avqpwr

Ray ·1ed4e8b07b ·1d ago
2 files changed +245
README.mdadded+45
@@ -0,0 +1,45 @@+# LM2903AVQPWR++**Texas Instruments** · Comparators · TSSOP-8++LM2903AVQPWR from Texas Instruments, in a TSSOP-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 | output | Output of comparator 1, an open-drain NPN pull-down output that sinks current when IN- is above IN+ plus the offset voltage, so it needs an external pull-up. |+| 2 | 1IN- | input | Inverting input of comparator 1. |+| 3 | 1IN+ | input | Non-inverting input of comparator 1; for non-B-suffix devices the input common-mode range is 0 V to (V+) - 2.0 V. |+| 4 | GND | power_in | Ground reference pin for the device. |+| 5 | 2IN+ | input | Non-inverting input of comparator 2. |+| 6 | 2IN- | input | Inverting input of comparator 2. |+| 7 | 2OUT | output | Output of comparator 2, an open-drain NPN pull-down output that needs an external pull-up. |+| 8 | VCC | power_in | Positive supply pin; the recommended supply for V-suffix devices such as LM2903AV is 2 V to 32 V, with an absolute maximum of 36 V for non-B devices. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM2903AVQPWR`+- Footprint: `Package_SO:TSSOP-8_3x3mm_P0.65mm`+- 3D model: TSSOP-8 (KiCad packages3D, STEP)+- 3D model files: `lm2903avqpwr-etched.step` / `lm2903avqpwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2903avqpwr.step` / `lm2903avqpwr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lm393a) (56 pp, sha256 `ef2f6d546e5c5f65`, retrieved 2026-10-08, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (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/lm2903avqpwr-datasheet.pdf)
page.jsonadded+200
@@ -0,0 +1,200 @@+{+  "slug": "lm2903avqpwr",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Comparators, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "amplifiers-comparators",+    "lm2903avqpwr",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm2903avqpwr.kicad_sym",+    "lm2903avqpwr.kicad_mod",+    "lm2903avqpwr.glb",+    "lm2903avqpwr.step",+    "lm2903avqpwr.lbr",+    "docs/hero.png",+    "docs/lm2903avqpwr-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm2903avqpwr-hero.glb",+    "lm2903avqpwr-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM2903AVQPWR",+    "manufacturer": "Texas Instruments",+    "package": "TSSOP-8",+    "pin_count": 8,+    "category": "Amplifiers/Comparators",+    "subcategory": "Comparators",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm393a",+    "parts": {+      "symbol": "lm2903avqpwr.kicad_sym",+      "footprint": "lm2903avqpwr.kicad_mod",+      "model_3d": "lm2903avqpwr-hero.glb",+      "model_3d_plain": "lm2903avqpwr.glb",+      "model_3d_step": "lm2903avqpwr-etched.step",+      "model_3d_step_plain": "lm2903avqpwr.step",+      "lbr": "lm2903avqpwr.lbr"+    },+    "distributor_links": {+      "lcsc": "C544605",+      "digikey": "296-37372-2-ND",+      "mouser": "595-LM2903AVQPWR"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T03:25:20Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-37372-2-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-LM2903AVQPWR",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "1OUT",+        "type": "output",+        "description": "Output of comparator 1, an open-drain NPN pull-down output that sinks current when IN- is above IN+ plus the offset voltage, so it needs an external pull-up."+      },+      {+        "number": "2",+        "name": "1IN-",+        "type": "input",+        "description": "Inverting input of comparator 1."+      },+      {+        "number": "3",+        "name": "1IN+",+        "type": "input",+        "description": "Non-inverting input of comparator 1; for non-B-suffix devices the input common-mode range is 0 V to (V+) - 2.0 V."+      },+      {+        "number": "4",+        "name": "GND",+        "type": "power_in",+        "description": "Ground reference pin for the device."+      },+      {+        "number": "5",+        "name": "2IN+",+        "type": "input",+        "description": "Non-inverting input of comparator 2."+      },+      {+        "number": "6",+        "name": "2IN-",+        "type": "input",+        "description": "Inverting input of comparator 2."+      },+      {+        "number": "7",+        "name": "2OUT",+        "type": "output",+        "description": "Output of comparator 2, an open-drain NPN pull-down output that needs an external pull-up."+      },+      {+        "number": "8",+        "name": "VCC",+        "type": "power_in",+        "description": "Positive supply pin; the recommended supply for V-suffix devices such as LM2903AV is 2 V to 32 V, with an absolute maximum of 36 V for non-B devices."+      }+    ],+    "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: Pinout taken from the 8-pin figure and pin table on page 3, which covers the D, DGK, JG, P, PS, DDF ; Supply and input range limits in the pin descriptions come from the recommended operating conditions"+        ],+        "pages_sent": 18,+        "cost_usd": 0.1179,+        "at": "2026-10-08T03:25:05"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm393a",+        "pages": 56,+        "sha256": "ef2f6d546e5c5f65",+        "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": [+      {+        "file": "lm2903avqpwr.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          4.9,+          3,+          1.1+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "cf28a51742b2e31065e201d1b313207140cbfb49062efd938788f7a310d02738",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm2903avqpwr-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          4.9,+          3,+          1.1+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "cca6b2ff36a3239706310d2d7f5d28043e300e25badbb74d3e1196886df403a4",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      }+    ]+  },+  "visibility": "public",+  "org": "adom",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file