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Initial commit: component/lm22674mre-5-0

Ray ·e449278fc3 ·1d ago
2 files changed +251
README.mdadded+46
@@ -0,0 +1,46 @@+# LM22674MRE-5.0++**Texas Instruments** · DC-DC Converters · ESOP-8++LM22674MRE-5.0 from Texas Instruments, in a ESOP-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 | BOOT | input | Bootstrap input that provides the gate voltage for the high-side NFET. |+| 2 | NC | unconnected | Not electrically connected to the die; the pin functions only as a thermal conductor. |+| 3 | NC | unconnected | Not electrically connected to the die; the pin functions only as a thermal conductor. |+| 4 | FB | input | Feedback input to the regulator. |+| 5 | EN | input | Precision enable pin used to control regulator start-up and shutdown (see Precision Enable and UVLO section). |+| 6 | GND | power_in | System ground. |+| 7 | VIN | power_in | Input supply to the regulator; recommended VIN range is 4.5 V to 42 V, with an absolute maximum of 43 V to GND. |+| 8 | SW | output | Switching output of the regulator; DC SW-to-GND limit is -5 V to VIN, with -10 V allowed for pulses up to 50 ns. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | ESOP-8 |+| Category | Power Management (PMIC) |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `LM22674MRE-5.0`+- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm`+- 3D model: ESOP-8 (KiCad packages3D, STEP)+- 3D model files: `lm22674mre-5-0-etched.step` / `lm22674mre-5-0-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm22674mre-5-0.step` / `lm22674mre-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/lm22674) (30 pp, sha256 `6db2da4fc5041725`, 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/lm22674mre-5-0-datasheet.pdf)
page.jsonadded+205
@@ -0,0 +1,205 @@+{+  "slug": "lm22674mre-5-0",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm22674mre-5.0",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm22674mre-5-0.kicad_sym",+    "lm22674mre-5-0.kicad_mod",+    "lm22674mre-5-0.glb",+    "lm22674mre-5-0.step",+    "lm22674mre-5-0.lbr",+    "docs/hero.png",+    "docs/lm22674mre-5-0-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm22674mre-5-0-hero.glb",+    "lm22674mre-5-0-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM22674MRE-5.0",+    "manufacturer": "Texas Instruments",+    "package": "ESOP-8",+    "pin_count": 9,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm22674",+    "parts": {+      "symbol": "lm22674mre-5-0.kicad_sym",+      "footprint": "lm22674mre-5-0.kicad_mod",+      "model_3d": "lm22674mre-5-0-hero.glb",+      "model_3d_plain": "lm22674mre-5-0.glb",+      "model_3d_step": "lm22674mre-5-0-etched.step",+      "model_3d_step_plain": "lm22674mre-5-0.step",+      "lbr": "lm22674mre-5-0.lbr"+    },+    "distributor_links": {+      "lcsc": "C2070707"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T02:09:07Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": null,+        "status": "no match"+      },+      "mouser": {+        "pn": null,+        "status": "error"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "BOOT",+        "type": "input",+        "description": "Bootstrap input that provides the gate voltage for the high-side NFET."+      },+      {+        "number": "2",+        "name": "NC",+        "type": "unconnected",+        "description": "Not electrically connected to the die; the pin functions only as a thermal conductor."+      },+      {+        "number": "3",+        "name": "NC",+        "type": "unconnected",+        "description": "Not electrically connected to the die; the pin functions only as a thermal conductor."+      },+      {+        "number": "4",+        "name": "FB",+        "type": "input",+        "description": "Feedback input to the regulator."+      },+      {+        "number": "5",+        "name": "EN",+        "type": "input",+        "description": "Precision enable pin used to control regulator start-up and shutdown (see Precision Enable and UVLO section)."+      },+      {+        "number": "6",+        "name": "GND",+        "type": "power_in",+        "description": "System ground."+      },+      {+        "number": "7",+        "name": "VIN",+        "type": "power_in",+        "description": "Input supply to the regulator; recommended VIN range is 4.5 V to 42 V, with an absolute maximum of 43 V to GND."+      },+      {+        "number": "8",+        "name": "SW",+        "type": "output",+        "description": "Switching output of the regulator; DC SW-to-GND limit is -5 V to VIN, with -10 V allowed for pulses up to 50 ns."+      },+      {+        "number": "9",+        "name": "EP",+        "type": "passive",+        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+      }+    ],+    "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: Package name mismatch: the package hint says ESOP-8, but the datasheet names this package HSOP (8) a; Exposed pad (EP) is typed power_in because the datasheet says to connect it to ground. The datasheet; Pins 2 and 3 are NC (not connected to die). They are typed unconnected per the datasheet's statement",+          "exposed pad 9 added from the footprint",+          "dropped thermal pad ['EP'] absent from footprint"+        ],+        "pages_sent": 8,+        "cost_usd": 0.0562,+        "at": "2026-10-08T02:08:50"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm22674",+        "pages": 30,+        "sha256": "6db2da4fc5041725",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 9,+        "described": 9,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "models_3d": [+      {+        "file": "lm22674mre-5-0.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.9,+          4.9,+          1.65+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm22674mre-5-0-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.9,+          4.9,+          1.65+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "8004019a4fc54e9136c5852f6a40402bfa5bed192182a2b9386380ebeca131d9",+        "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