← Commit history

Initial commit: component/lm22672qmr-adj

Ray ·9828c41188 ·16h ago
2 files changed +243
README.mdadded+45
@@ -0,0 +1,45 @@+# LM22672QMR-ADJ++**Texas Instruments** · DC-DC Converters · SO-8++LM22672QMR-ADJ from Texas Instruments, in a SO-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; BOOT pin voltage is limited to VSW + 7 V. |+| 2 | SS | input | Soft-start input used to increase the soft-start time; SS pin voltage is limited to -0.5 V to 7 V. |+| 3 | RT/SYNC | input | Oscillator mode control input used to set the switching frequency (200 kHz to 1 MHz via a single resistor) or to synchronize the internal oscillator to a system clock. |+| 4 | FB | input | Feedback input to the regulator; FB pin voltage is limited to -0.5 V to 7 V. |+| 5 | EN | input | Precision enable input that controls regulator start-up and shutdown and system power sequencing; EN pin voltage is limited to -0.5 V to 6 V. |+| 6 | GND | power_in | System ground pin for the regulator and the common reference for all other pins. |+| 7 | VIN | power_in | Supply input to the regulator; recommended VIN is 4.5 V to 42 V, with an absolute maximum of 43 V to GND. |+| 8 | SW | output | Switching output of the regulator; SW to GND is limited to -5 V DC (extended to -10 V for pulses up to 50 ns) and to VIN. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SO-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM22672QMR-ADJ`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SO-8 (KiCad packages3D, STEP)+- 3D model files: `lm22672qmr-adj-etched.step` / `lm22672qmr-adj-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm22672qmr-adj.step` / `lm22672qmr-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/lm22672-q1) (34 pp, sha256 `85a2f805d6fb9630`, 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/lm22672qmr-adj-datasheet.pdf)
page.jsonadded+198
@@ -0,0 +1,198 @@+{+  "slug": "lm22672qmr-adj",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm22672qmr-adj",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm22672qmr-adj.kicad_sym",+    "lm22672qmr-adj.kicad_mod",+    "lm22672qmr-adj.glb",+    "lm22672qmr-adj.step",+    "lm22672qmr-adj.lbr",+    "docs/hero.png",+    "docs/lm22672qmr-adj-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm22672qmr-adj-hero.glb",+    "lm22672qmr-adj-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM22672QMR-ADJ",+    "manufacturer": "Texas Instruments",+    "package": "SO-8",+    "pin_count": 8,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm22672-q1",+    "parts": {+      "symbol": "lm22672qmr-adj.kicad_sym",+      "footprint": "lm22672qmr-adj.kicad_mod",+      "model_3d": "lm22672qmr-adj-hero.glb",+      "model_3d_plain": "lm22672qmr-adj.glb",+      "model_3d_step": "lm22672qmr-adj-etched.step",+      "model_3d_step_plain": "lm22672qmr-adj.step",+      "lbr": "lm22672qmr-adj.lbr"+    },+    "distributor_links": {+      "lcsc": "C1356194"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T14:34:27Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": null,+        "status": "no match"+      },+      "mouser": {+        "pn": null,+        "status": "no match"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "BOOT",+        "type": "input",+        "description": "Bootstrap input that provides the gate voltage for the high-side NFET; BOOT pin voltage is limited to VSW + 7 V."+      },+      {+        "number": "2",+        "name": "SS",+        "type": "input",+        "description": "Soft-start input used to increase the soft-start time; SS pin voltage is limited to -0.5 V to 7 V."+      },+      {+        "number": "3",+        "name": "RT/SYNC",+        "type": "input",+        "description": "Oscillator mode control input used to set the switching frequency (200 kHz to 1 MHz via a single resistor) or to synchronize the internal oscillator to a system clock."+      },+      {+        "number": "4",+        "name": "FB",+        "type": "input",+        "description": "Feedback input to the regulator; FB pin voltage is limited to -0.5 V to 7 V."+      },+      {+        "number": "5",+        "name": "EN",+        "type": "input",+        "description": "Precision enable input that controls regulator start-up and shutdown and system power sequencing; EN pin voltage is limited to -0.5 V to 6 V."+      },+      {+        "number": "6",+        "name": "GND",+        "type": "power_in",+        "description": "System ground pin for the regulator and the common reference for all other pins."+      },+      {+        "number": "7",+        "name": "VIN",+        "type": "power_in",+        "description": "Supply input to the regulator; recommended VIN 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; SW to GND is limited to -5 V DC (extended to -10 V for pulses up to 50 ns) and to VIN."+      }+    ],+    "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 exposed pad is labelled 'EP' in the datasheet pin table and has no numeric pin number; it is inc; The datasheet lists VIN as type 'I' and GND with no type ('—'). Types were set to power_in per the K; Pin limits in the descriptions come from the Absolute Maximum Ratings table on page 4, not page 3 wh",+          "dropped thermal pad ['EP'] absent from footprint"+        ],+        "pages_sent": 8,+        "cost_usd": 0.0595,+        "at": "2026-10-08T14:34:12"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm22672-q1",+        "pages": 34,+        "sha256": "85a2f805d6fb9630",+        "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": "lm22672qmr-adj.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6,+          4.9,+          1.75+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm22672qmr-adj-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6,+          4.9,+          1.75+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "dc051b8b3ce3868382205f57b80ef0baeead08d9f667a43814e8d32b5f3e5622",+        "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