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Initial commit: component/lm3670mfx-adj

Ray ·51171f4d71 ·21h ago
2 files changed +222
README.mdadded+41
@@ -0,0 +1,41 @@+# LM3670MFX-ADJ++**Texas Instruments** · DC-DC Converters · SOT-23-5++LM3670MFX-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, connected to the input filter capacitor; recommended input voltage range is 2.5 V to 5.5 V. |+| 2 | GND | power_in | Ground pin. |+| 3 | EN | input | Digital enable input; pulling EN low puts the device in shutdown, where it draws 0.1 µA typical. |+| 4 | FB | input | Analog feedback input, connected to the output filter capacitor; on the adjustable version it sets the output voltage (0.7 V to 2.5 V). |+| 5 | SW | output | Switching node connecting the internal PFET switch and NFET synchronous rectifier to the inductor; the inductor saturation current rating must exceed the 750-mA maximum switch peak current limit. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-5 |+| Category | Power Management (PMIC) |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `LM3670MFX-ADJ`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)+- 3D model files: `lm3670mfx-adj-etched.step` / `lm3670mfx-adj-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm3670mfx-adj.step` / `lm3670mfx-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/lm3670) (29 pp, sha256 `facbd196af963148`, retrieved 2026-10-08, tier: lcsc)+- **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/lm3670mfx-adj-datasheet.pdf)
page.jsonadded+181
@@ -0,0 +1,181 @@+{+  "slug": "lm3670mfx-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)",+    "lm3670mfx-adj",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm3670mfx-adj.kicad_sym",+    "lm3670mfx-adj.kicad_mod",+    "lm3670mfx-adj.glb",+    "lm3670mfx-adj.step",+    "lm3670mfx-adj.lbr",+    "docs/hero.png",+    "docs/lm3670mfx-adj-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm3670mfx-adj-hero.glb",+    "lm3670mfx-adj-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM3670MFX-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/lm3670",+    "parts": {+      "symbol": "lm3670mfx-adj.kicad_sym",+      "footprint": "lm3670mfx-adj.kicad_mod",+      "model_3d": "lm3670mfx-adj-hero.glb",+      "model_3d_plain": "lm3670mfx-adj.glb",+      "model_3d_step": "lm3670mfx-adj-etched.step",+      "model_3d_step_plain": "lm3670mfx-adj.step",+      "lbr": "lm3670mfx-adj.lbr"+    },+    "distributor_links": {+      "lcsc": "C82372",+      "digikey": "2156-LM3670MFX-ADJ-ND"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T18:53:04Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "2156-LM3670MFX-ADJ-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": null,+        "status": "no match"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "VIN",+        "type": "power_in",+        "description": "Power supply input, connected to the input filter capacitor; recommended input voltage range is 2.5 V to 5.5 V."+      },+      {+        "number": "2",+        "name": "GND",+        "type": "power_in",+        "description": "Ground pin."+      },+      {+        "number": "3",+        "name": "EN",+        "type": "input",+        "description": "Digital enable input; pulling EN low puts the device in shutdown, where it draws 0.1 µA typical."+      },+      {+        "number": "4",+        "name": "FB",+        "type": "input",+        "description": "Analog feedback input, connected to the output filter capacitor; on the adjustable version it sets the output voltage (0.7 V to 2.5 V)."+      },+      {+        "number": "5",+        "name": "SW",+        "type": "output",+        "description": "Switching node connecting the internal PFET switch and NFET synchronous rectifier to the inductor; the inductor saturation current rating must exceed the 750-mA maximum switch peak current limit."+      }+    ],+    "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: The pinout is taken from the single 5-pin DBV (SOT-23) package table on page 3. Page 22 lists LM3670; The datasheet gives SW only as 'Analog'. The KiCad type 'output' was chosen because SW is the conver; The FB description's 0.7 V to 2.5 V range is the adjustable output range from the Features list on p"+        ],+        "pages_sent": 8,+        "cost_usd": 0.0553,+        "at": "2026-10-08T18:52:18"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm3670",+        "pages": 29,+        "sha256": "facbd196af963148",+        "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": "lm3670mfx-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": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm3670mfx-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": "564c795562bbf7f0c847144cba65526a8307786aba2b3e31a204c434fb127b22",+        "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