← Commit history

Initial commit: component/lm2931mx-5-0

Ray ·54258d7c92 ·3d ago
2 files changed +206
README.mdadded+44
@@ -0,0 +1,44 @@+# LM2931MX-5.0++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8++LM2931MX-5.0 from Texas Instruments, in a SOIC-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 | OUT | power_out | Regulated 5V output; needs an output capacitor of at least 100 µF for stability, and the output is short-circuit protected. |+| 2 | GND | power_in | Ground pin, one of four GND pins (2, 3, 6, 7). |+| 3 | GND | power_in | Ground pin, one of four GND pins (2, 3, 6, 7). |+| 4 | NC | unconnected | Not internally connected. |+| 5 | NC | unconnected | Not internally connected. |+| 6 | GND | power_in | Ground pin, one of four GND pins (2, 3, 6, 7). |+| 7 | GND | power_in | Ground pin, one of four GND pins (2, 3, 6, 7). |+| 8 | IN | power_in | Unregulated supply input; operating range up to 26V, with reverse battery and 60V load dump protection. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM2931MX-5.0`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `lm2931mx-5-0-etched.step` / `lm2931mx-5-0-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2931mx-5-0.step` / `lm2931mx-5-0.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/lm2931-n) (35 pp, sha256 `45c959192188b8f1`, retrieved 2026-10-03, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/lm2931mx-5-0-datasheet.pdf)
page.jsonadded+162
@@ -0,0 +1,162 @@+{+  "slug": "lm2931mx-5-0",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm2931mx-5.0",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm2931mx-5-0.kicad_sym",+    "lm2931mx-5-0.kicad_mod",+    "lm2931mx-5-0.glb",+    "lm2931mx-5-0.step",+    "lm2931mx-5-0.lbr",+    "docs/hero.png",+    "docs/lm2931mx-5-0-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm2931mx-5-0-hero.glb",+    "lm2931mx-5-0-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM2931MX-5.0",+    "manufacturer": "Texas Instruments",+    "package": "SOIC-8",+    "pin_count": 8,+    "category": "Power Management (PMIC)",+    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2931-n",+    "parts": {+      "symbol": "lm2931mx-5-0.kicad_sym",+      "footprint": "lm2931mx-5-0.kicad_mod",+      "model_3d": "lm2931mx-5-0-hero.glb",+      "model_3d_plain": "lm2931mx-5-0.glb",+      "model_3d_step": "lm2931mx-5-0-etched.step",+      "model_3d_step_plain": "lm2931mx-5-0.step",+      "lbr": "lm2931mx-5-0.lbr"+    },+    "distributor_links": {+      "lcsc": 7935,+      "digikey": "LM2931MX-5.0TR-ND",+      "mouser": "926-LM2931MX-50"+    },+    "distributor_check": {+      "checked_at": "2026-10-03T05:04:48Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "LM2931MX-5.0TR-ND",+        "status": "found",+        "lifecycle": "Obsolete"+      },+      "mouser": {+        "pn": "926-LM2931MX-50",+        "status": "found",+        "lifecycle": "Obsolete"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "OUT",+        "type": "power_out",+        "description": "Regulated 5V output; needs an output capacitor of at least 100 µF for stability, and the output is short-circuit protected."+      },+      {+        "number": "2",+        "name": "GND",+        "type": "power_in",+        "description": "Ground pin, one of four GND pins (2, 3, 6, 7)."+      },+      {+        "number": "3",+        "name": "GND",+        "type": "power_in",+        "description": "Ground pin, one of four GND pins (2, 3, 6, 7)."+      },+      {+        "number": "4",+        "name": "NC",+        "type": "unconnected",+        "description": "Not internally connected."+      },+      {+        "number": "5",+        "name": "NC",+        "type": "unconnected",+        "description": "Not internally connected."+      },+      {+        "number": "6",+        "name": "GND",+        "type": "power_in",+        "description": "Ground pin, one of four GND pins (2, 3, 6, 7)."+      },+      {+        "number": "7",+        "name": "GND",+        "type": "power_in",+        "description": "Ground pin, one of four GND pins (2, 3, 6, 7)."+      },+      {+        "number": "8",+        "name": "IN",+        "type": "power_in",+        "description": "Unregulated supply input; operating range up to 26V, with reverse battery and 60V load dump protection."+      }+    ],+    "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+vision",+        "consensus_model": "claude-opus-5-5",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [+          "extractor flagged: The datasheet gives no pin-by-pin text descriptions. The pin numbers and names come from the Figure ; LM2931MX-5.0/NOPB is listed as SOIC (D), 8 pins, tape and reel. The D0008A drawing is on pages 25-27",+          "vision extraction: provenance cannot be text-verified; needs consensus"+        ],+        "pages_sent": 35,+        "cost_usd": 0.659,+        "at": "2026-10-03T05:04:23"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm2931-n",+        "pages": 35,+        "sha256": "45c959192188b8f1",+        "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