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Initial commit: component/lm3674mf-adj

Ray ·71459dce17 ·6h ago
2 files changed +222
README.mdadded+41
@@ -0,0 +1,41 @@+# LM3674MF-ADJ++**Texas Instruments** · DC-DC Converters · SOT-23-5++LM3674MF-ADJ from Texas Instruments, in a SOT-23-5. 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 | VIN | power_in | Power supply input with recommended input voltage range from 2.7 V to 5.5 V; connect to input filter capacitor CIN. |+| 2 | GND | power_in | Ground pin. |+| 3 | EN | input | Enable input; device is in shutdown mode when voltage to this pin is < 0.4 V and enabled when > 1 V; do not leave this pin floating. |+| 4 | FB | input | Feedback analog input; for adjustable version, external resistor dividers are required (R1 and R2) to set output voltage. |+| 5 | SW | output | Switching node connection to the internal PFET switch and NFET synchronous rectifier; connect to inductor L1. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-5 |+| Category | Power Management (PMIC) |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `LM3674MF-ADJ`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)+- 3D model files: `lm3674mf-adj-etched.step` / `lm3674mf-adj-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm3674mf-adj.step` / `lm3674mf-adj.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/lm3674) (27 pp, sha256 `6f7dbf11124b325e`, retrieved 2026-10-07, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/lm3674mf-adj-datasheet.pdf)
page.jsonadded+181
@@ -0,0 +1,181 @@+{+  "slug": "lm3674mf-adj",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm3674mf-adj",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm3674mf-adj.kicad_sym",+    "lm3674mf-adj.kicad_mod",+    "lm3674mf-adj.glb",+    "lm3674mf-adj.step",+    "lm3674mf-adj.lbr",+    "docs/hero.png",+    "docs/lm3674mf-adj-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm3674mf-adj-hero.glb",+    "lm3674mf-adj-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM3674MF-ADJ",+    "manufacturer": "Texas Instruments",+    "package": "SOT-23-5",+    "pin_count": 5,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm3674",+    "parts": {+      "symbol": "lm3674mf-adj.kicad_sym",+      "footprint": "lm3674mf-adj.kicad_mod",+      "model_3d": "lm3674mf-adj-hero.glb",+      "model_3d_plain": "lm3674mf-adj.glb",+      "model_3d_step": "lm3674mf-adj-etched.step",+      "model_3d_step_plain": "lm3674mf-adj.step",+      "lbr": "lm3674mf-adj.lbr"+    },+    "distributor_links": {+      "lcsc": "C52027",+      "digikey": "LM3674MF-ADJTR-ND",+      "mouser": "926-LM3674MF-ADJ"+    },+    "distributor_check": {+      "checked_at": "2026-10-07T08:45:22Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "LM3674MF-ADJTR-ND",+        "status": "found",+        "lifecycle": "Obsolete"+      },+      "mouser": {+        "pn": "926-LM3674MF-ADJ",+        "status": "found",+        "lifecycle": "Obsolete"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "VIN",+        "type": "power_in",+        "description": "Power supply input with recommended input voltage range from 2.7 V to 5.5 V; connect to input filter capacitor CIN."+      },+      {+        "number": "2",+        "name": "GND",+        "type": "power_in",+        "description": "Ground pin."+      },+      {+        "number": "3",+        "name": "EN",+        "type": "input",+        "description": "Enable input; device is in shutdown mode when voltage to this pin is < 0.4 V and enabled when > 1 V; do not leave this pin floating."+      },+      {+        "number": "4",+        "name": "FB",+        "type": "input",+        "description": "Feedback analog input; for adjustable version, external resistor dividers are required (R1 and R2) to set output voltage."+      },+      {+        "number": "5",+        "name": "SW",+        "type": "output",+        "description": "Switching node connection to the internal PFET switch and NFET synchronous rectifier; connect to inductor L1."+      }+    ],+    "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": 8,+        "cost_usd": 0.0729,+        "at": "2026-10-07T08:45:05"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm3674",+        "pages": 27,+        "sha256": "6f7dbf11124b325e",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 5,+        "described": 5,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "models_3d": [+      {+        "file": "lm3674mf-adj.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          2.8,+          2.9,+          1.55+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm3674mf-adj-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          2.8,+          2.9,+          1.55+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "fe8dfcac09e64e0fad1bf9fd6d58079c3150ff2963cf31fa6bc96a4a59745339",+        "checked": "2026-10-07",+        "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