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Initial commit: component/lm3224mm-adj

Ray ·8fe14caa95 ·12d ago
2 files changed +185
README.mdadded+44
@@ -0,0 +1,44 @@+# LM3224MM-ADJ++**Texas Instruments** · DC-DC Converters · MSOP-8++LM3224MM-ADJ from Texas Instruments, in a MSOP-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 | VC | input | Compensation network connection connected to the voltage error amplifier output; absolute maximum voltage 1.26V ± 0.3V. |+| 2 | FB | input | Output voltage feedback input with reference voltage 1.2285V to 1.2915V and absolute maximum voltage 7V (must not exceed VIN). |+| 3 | SHDN | input | Shutdown control input, active low, with internal pulldown resistor; must be pulled high to enable device; voltage range 0V to 7.5V. |+| 4 | GND | power_in | Analog and power ground reference. |+| 5 | SW | output | Power switch node connected between internal NMOS switch and external inductor; absolute maximum voltage 21V with switch current limit 1.9A to 2.8A. |+| 6 | VIN | power_in | Analog power input; operating voltage range 2.7V to 7V with absolute maximum 7.5V. |+| 7 | FSLCT | input | Switching frequency select input; VIN level selects 1.25MHz operation, GND level selects 615kHz operation; voltage range 0V to 7.5V. |+| 8 | SS | input | Soft-start control pin charged by internal current source 7.5µA to 13µA to limit startup inrush current; optional pin can be left open if not needed. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | MSOP-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM3224MM-ADJ`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)+- 3D model files: `lm3224mm-adj-etched.step` / `lm3224mm-adj-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm3224mm-adj.step` / `lm3224mm-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/lm3224) (29 pp, sha256 `6d9bcd483efcae96`, retrieved 2026-09-24, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/lm3224mm-adj-datasheet.pdf)
page.jsonadded+141
@@ -0,0 +1,141 @@+{+  "slug": "lm3224mm-adj",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm3224mm-adj",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm3224mm-adj.kicad_sym",+    "lm3224mm-adj.kicad_mod",+    "lm3224mm-adj.glb",+    "lm3224mm-adj.step",+    "lm3224mm-adj.lbr",+    "docs/hero.png",+    "docs/lm3224mm-adj-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "LM3224MM-ADJ",+    "manufacturer": "Texas Instruments",+    "package": "MSOP-8",+    "pin_count": 8,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm3224",+    "parts": {+      "symbol": "lm3224mm-adj.kicad_sym",+      "footprint": "lm3224mm-adj.kicad_mod",+      "model_3d": "lm3224mm-adj-etched.glb",+      "model_3d_plain": "lm3224mm-adj.glb",+      "model_3d_step": "lm3224mm-adj-etched.step",+      "model_3d_step_plain": "lm3224mm-adj.step",+      "lbr": "lm3224mm-adj.lbr"+    },+    "distributor_links": {+      "lcsc": "C11158"+    },+    "pins": [+      {+        "number": "1",+        "name": "VC",+        "type": "input",+        "description": "Compensation network connection connected to the voltage error amplifier output; absolute maximum voltage 1.26V ± 0.3V."+      },+      {+        "number": "2",+        "name": "FB",+        "type": "input",+        "description": "Output voltage feedback input with reference voltage 1.2285V to 1.2915V and absolute maximum voltage 7V (must not exceed VIN)."+      },+      {+        "number": "3",+        "name": "SHDN",+        "type": "input",+        "description": "Shutdown control input, active low, with internal pulldown resistor; must be pulled high to enable device; voltage range 0V to 7.5V."+      },+      {+        "number": "4",+        "name": "GND",+        "type": "power_in",+        "description": "Analog and power ground reference."+      },+      {+        "number": "5",+        "name": "SW",+        "type": "output",+        "description": "Power switch node connected between internal NMOS switch and external inductor; absolute maximum voltage 21V with switch current limit 1.9A to 2.8A."+      },+      {+        "number": "6",+        "name": "VIN",+        "type": "power_in",+        "description": "Analog power input; operating voltage range 2.7V to 7V with absolute maximum 7.5V."+      },+      {+        "number": "7",+        "name": "FSLCT",+        "type": "input",+        "description": "Switching frequency select input; VIN level selects 1.25MHz operation, GND level selects 615kHz operation; voltage range 0V to 7.5V."+      },+      {+        "number": "8",+        "name": "SS",+        "type": "input",+        "description": "Soft-start control pin charged by internal current source 7.5µA to 13µA to limit startup inrush current; optional pin can be left open if not needed."+      }+    ],+    "provenance": {+      "extractor": "extract_pins 0.2",+      "factory_chain": {+        "factory": "2.0.0",+        "extractor": "extract_pins 0.2",+        "primary_model": "claude-haiku-4-5-20251001",+        "primary_mode": "text",+        "consensus_model": "claude-sonnet-5",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [],+        "pages_sent": 29,+        "cost_usd": 0.2483,+        "at": "2026-09-24T01:04:42"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm3224",+        "pages": 29,+        "sha256": "6d9bcd483efcae96",+        "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"+    }+  },+  "visibility": "public",+  "org": "adom",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file