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Initial commit: component/lm4040aim3-2-0

Ray ·3e4ec08a56 ·12d ago
2 files changed +153
README.mdadded+40
@@ -0,0 +1,40 @@+# LM4040AIM3-2.0++**Texas Instruments** · Voltage Reference · SOT-23-3++LM4040AIM3-2.0 from Texas Instruments, in a SOT-23-3. 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 | 负极 (Cathode) | output | Cathode; shunt current and regulated output voltage appear at this terminal when supply current is maintained between IRMIN and IRMAX. |+| 2 | 正极 (Anode) | power_in | Anode pin; serves as the ground reference and current return path; normally connected to system ground. |+| 3 | NC (parasitic element) | unconnected | Parasitic Schottky diode node; must be left floating or connected to pin 2 (anode); in high EMI environments TI recommends connecting to anode. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-3 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `LM4040AIM3-2.0`+- Footprint: `Package_TO_SOT_SMD:SOT-23-3`+- 3D model: SOT-23-3 (KiCad packages3D, STEP)+- 3D model files: `lm4040aim3-2-0-etched.step` / `lm4040aim3-2-0-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm4040aim3-2-0.step` / `lm4040aim3-2-0.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/lm4040-n) (84 pp, sha256 `5655b017c6397138`, retrieved 2026-09-24, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/lm4040aim3-2-0-datasheet.pdf)
page.jsonadded+113
@@ -0,0 +1,113 @@+{+  "slug": "lm4040aim3-2-0",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm4040aim3-2.0",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm4040aim3-2-0.kicad_sym",+    "lm4040aim3-2-0.kicad_mod",+    "lm4040aim3-2-0.glb",+    "lm4040aim3-2-0.step",+    "lm4040aim3-2-0.lbr",+    "docs/hero.png",+    "docs/lm4040aim3-2-0-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "LM4040AIM3-2.0",+    "manufacturer": "Texas Instruments",+    "package": "SOT-23-3",+    "pin_count": 3,+    "category": "Power Management (PMIC)",+    "subcategory": "Voltage Reference",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4040-n",+    "parts": {+      "symbol": "lm4040aim3-2-0.kicad_sym",+      "footprint": "lm4040aim3-2-0.kicad_mod",+      "model_3d": "lm4040aim3-2-0-etched.glb",+      "model_3d_plain": "lm4040aim3-2-0.glb",+      "model_3d_step": "lm4040aim3-2-0-etched.step",+      "model_3d_step_plain": "lm4040aim3-2-0.step",+      "lbr": "lm4040aim3-2-0.lbr"+    },+    "distributor_links": {+      "lcsc": "C2156507"+    },+    "pins": [+      {+        "number": "1",+        "name": "负极 (Cathode)",+        "type": "output",+        "description": "Cathode; shunt current and regulated output voltage appear at this terminal when supply current is maintained between IRMIN and IRMAX."+      },+      {+        "number": "2",+        "name": "正极 (Anode)",+        "type": "power_in",+        "description": "Anode pin; serves as the ground reference and current return path; normally connected to system ground."+      },+      {+        "number": "3",+        "name": "NC (parasitic element)",+        "type": "unconnected",+        "description": "Parasitic Schottky diode node; must be left floating or connected to pin 2 (anode); in high EMI environments TI recommends connecting to anode."+      }+    ],+    "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-5",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [+          "extractor flagged: Pin 3 classification: The datasheet indicates a parasitic Schottky diode exists between pin 2 and pi; Pin 1 type assignment: Classified as 'output' for the regulated voltage reference function, though t"+        ],+        "pages_sent": 84,+        "cost_usd": 0.505,+        "at": "2026-09-24T07:05:18"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm4040-n",+        "pages": 84,+        "sha256": "5655b017c6397138",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 3,+        "described": 3,+        "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