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Initial commit: component/lm2675n-12

Ray ·83090055cc ·16h ago
2 files changed +246
README.mdadded+45
@@ -0,0 +1,45 @@+# LM2675N-12++**Texas Instruments** · DC-DC Converters · PDIP-8++LM2675N-12 from Texas Instruments, in a PDIP-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 | CB | passive | Bootstrap capacitor connection for the high-side driver; Table 4-1 specifies a quality 470nF capacitor between CB and VSW. |+| 2 | NC | unconnected | No internal connection; leave unconnected. |+| 3 | NC | unconnected | No internal connection; leave unconnected. |+| 4 | FB | input | Feedback sense input that connects to the feedback divider midpoint for the adjustable version or directly to the output capacitor for fixed versions; the absolute maximum rating is -0.3 V to 14 V, and FB must not be shorted to ground while the regulator is enabled. |+| 5 | ON/OFF | input | Enable input where high enables the regulator and low (below about 1.4 V typical) puts it in shutdown; the absolute maximum rating is -0.1 V to 6 V. |+| 6 | GND | power_in | Power ground connected to system ground, which also serves as the ground return for CIN and COUT and should be kept close to CIN. |+| 7 | VIN | power_in | Supply input connected to the high-side FET collector that must stay within 6.5 V to 40 V (absolute maximum 45 V) and be bypassed by CIN placed close to the pin and GND. |+| 8 | VSW | output | Internal high-side FET source and switch node that connects to the inductor and the external diode cathode; the absolute maximum switch-to-ground voltage is -1 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | PDIP-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM2675N-12`+- Footprint: `Package_DIP:DIP-8_W7.62mm`+- 3D model: PDIP-8 (KiCad packages3D, STEP)+- 3D model files: `lm2675n-12-etched.step` / `lm2675n-12-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2675n-12.step` / `lm2675n-12.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/lm2675) (42 pp, sha256 `8986b0b605946f45`, 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/lm2675n-12-datasheet.pdf)
page.jsonadded+201
@@ -0,0 +1,201 @@+{+  "slug": "lm2675n-12",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm2675n-12",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm2675n-12.kicad_sym",+    "lm2675n-12.kicad_mod",+    "lm2675n-12.glb",+    "lm2675n-12.step",+    "lm2675n-12.lbr",+    "docs/hero.png",+    "docs/lm2675n-12-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm2675n-12-hero.glb",+    "lm2675n-12-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM2675N-12",+    "manufacturer": "Texas Instruments",+    "package": "PDIP-8",+    "pin_count": 8,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2675",+    "parts": {+      "symbol": "lm2675n-12.kicad_sym",+      "footprint": "lm2675n-12.kicad_mod",+      "model_3d": "lm2675n-12-hero.glb",+      "model_3d_plain": "lm2675n-12.glb",+      "model_3d_step": "lm2675n-12-etched.step",+      "model_3d_step_plain": "lm2675n-12.step",+      "lbr": "lm2675n-12.lbr"+    },+    "distributor_links": {+      "lcsc": "C1355391",+      "digikey": "LM2675N-12-ND",+      "mouser": "926-LM2675N-12"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T14:33:58Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "LM2675N-12-ND",+        "status": "found",+        "lifecycle": "Obsolete"+      },+      "mouser": {+        "pn": "926-LM2675N-12",+        "status": "found",+        "lifecycle": "Obsolete"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "CB",+        "type": "passive",+        "description": "Bootstrap capacitor connection for the high-side driver; Table 4-1 specifies a quality 470nF capacitor between CB and VSW."+      },+      {+        "number": "2",+        "name": "NC",+        "type": "unconnected",+        "description": "No internal connection; leave unconnected."+      },+      {+        "number": "3",+        "name": "NC",+        "type": "unconnected",+        "description": "No internal connection; leave unconnected."+      },+      {+        "number": "4",+        "name": "FB",+        "type": "input",+        "description": "Feedback sense input that connects to the feedback divider midpoint for the adjustable version or directly to the output capacitor for fixed versions; the absolute maximum rating is -0.3 V to 14 V, and FB must not be shorted to ground while the regulator is enabled."+      },+      {+        "number": "5",+        "name": "ON/OFF",+        "type": "input",+        "description": "Enable input where high enables the regulator and low (below about 1.4 V typical) puts it in shutdown; the absolute maximum rating is -0.1 V to 6 V."+      },+      {+        "number": "6",+        "name": "GND",+        "type": "power_in",+        "description": "Power ground connected to system ground, which also serves as the ground return for CIN and COUT and should be kept close to CIN."+      },+      {+        "number": "7",+        "name": "VIN",+        "type": "power_in",+        "description": "Supply input connected to the high-side FET collector that must stay within 6.5 V to 40 V (absolute maximum 45 V) and be bypassed by CIN placed close to the pin and GND."+      },+      {+        "number": "8",+        "name": "VSW",+        "type": "output",+        "description": "Internal high-side FET source and switch node that connects to the inductor and the external diode cathode; the absolute maximum switch-to-ground voltage is -1 V."+      }+    ],+    "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: Conflicting CB capacitor value: Table 4-1 (page 4) specifies a 470nF capacitor between CB and VSW, w; Datasheet pin table lists VIN as type 'I' (input); it is typed power_in here because it is the main ; Two NC pins share the same name; each is listed separately by its printed number, as the datasheet l"+        ],+        "pages_sent": 29,+        "cost_usd": 0.1243,+        "at": "2026-10-08T14:33:31"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm2675",+        "pages": 42,+        "sha256": "8986b0b605946f45",+        "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"+    },+    "models_3d": [+      {+        "file": "lm2675n-12.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "body on z = 0, through-hole leads below",+        "extents_mm": [+          7.874,+          9.27,+          6.98+        ],+        "zmin_mm": -3.3,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm2675n-12-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "body on z = 0, through-hole leads below",+        "extents_mm": [+          7.874,+          9.27,+          6.98+        ],+        "zmin_mm": -3.3,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "ce117cbb22edff7826db27d3ea1d7fe1456883ff3ba6a5c6a5d44631b90c19ec",+        "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