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Initial commit: component/lm26480sq-aa

Ray ·47e7c19210 ·4d ago
2 files changed +321
README.mdadded+62
@@ -0,0 +1,62 @@+# LM26480SQ-AA++**Texas Instruments** · DC-DC Converters · WQFN-24-EP(4x4)++LM26480SQ-AA from Texas Instruments, in a WQFN-24-EP(4x4). 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 | VINLDO12 | power_in | Analog power supply for internal functions (VREF, BIAS, I2C, Logic) |+| 2 | SYNC | input | Frequency synchronization pin allowing external clock signal to synchronize PMIC internal oscillator; must be grounded when not used |+| 3 | nPOR | output | Power on reset pin for Buck1 and Buck2 with open drain logic output and 100-kΩ pullup resistor; pulled to ground when supply voltages not good |+| 4 | GND_SW1 | power_in | Buck1 NMOS power ground |+| 5 | SW1 | power_out | Buck1 switcher output pin |+| 6 | VIN1 | power_in | Power input for Buck1 from either DC source or battery |+| 7 | ENSW1 | input | Enable pin for Buck1 switcher; logic HIGH enables Buck1; pin cannot be left floating |+| 8 | FB1 | input | Buck1 feedback input terminal |+| 9 | GND_C | power_in | Non-switching core ground pin |+| 10 | AVDD | power_in | Analog power supply for Buck converters |+| 11 | FB2 | input | Buck2 feedback input terminal |+| 12 | ENSW2 | input | Enable pin for Buck2 switcher; logic HIGH enables Buck2; pin cannot be left floating |+| 13 | VIN2 | power_in | Power input for Buck2 from either DC source or battery |+| 14 | SW2 | power_out | Buck2 switcher output pin |+| 15 | GND_SW2 | power_in | Buck2 NMOS power ground |+| 16 | ENLDO2 | input | Enable pin for LDO2; logic HIGH enables LDO2; pin cannot be left floating |+| 17 | ENLDO1 | input | Enable pin for LDO1; logic HIGH enables LDO1; pin cannot be left floating |+| 18 | GND_L | power_in | LDO ground pin |+| 19 | VINLDO1 | power_in | Power input for LDO1 from either DC source or battery |+| 20 | LDO1 | power_out | LDO1 output voltage |+| 21 | FBL1 | input | LDO1 feedback input terminal |+| 22 | FBL2 | input | LDO2 feedback input terminal |+| 23 | LDO2 | power_out | LDO2 output voltage |+| 24 | VINLDO2 | power_in | Power input for LDO2 from either DC source or battery |+| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WQFN-24-EP(4x4) |+| Category | Power Management (PMIC) |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `LM26480SQ-AA`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm`+- 3D model: WQFN-24-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `lm26480sq-aa-etched.step` / `lm26480sq-aa-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm26480sq-aa.step` / `lm26480sq-aa.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/lm26480) (44 pp, sha256 `9fa8e8bf5131003e`, retrieved 2026-10-01, 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-4-5-20251001` (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/lm26480sq-aa-datasheet.pdf)
page.jsonadded+259
@@ -0,0 +1,259 @@+{+  "slug": "lm26480sq-aa",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm26480sq-aa",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm26480sq-aa.kicad_sym",+    "lm26480sq-aa.kicad_mod",+    "lm26480sq-aa.glb",+    "lm26480sq-aa.step",+    "lm26480sq-aa.lbr",+    "docs/hero.png",+    "docs/lm26480sq-aa-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "LM26480SQ-AA",+    "manufacturer": "Texas Instruments",+    "package": "WQFN-24-EP(4x4)",+    "pin_count": 25,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm26480",+    "parts": {+      "symbol": "lm26480sq-aa.kicad_sym",+      "footprint": "lm26480sq-aa.kicad_mod",+      "model_3d": "lm26480sq-aa-etched.glb",+      "model_3d_plain": "lm26480sq-aa.glb",+      "model_3d_step": "lm26480sq-aa-etched.step",+      "model_3d_step_plain": "lm26480sq-aa.step",+      "lbr": "lm26480sq-aa.lbr"+    },+    "distributor_links": {+      "lcsc": "C131997"+    },+    "distributor_check": {+      "checked_at": "2026-10-01T16:01:04Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": null,+        "status": "no match"+      },+      "mouser": {+        "pn": null,+        "status": "no match"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "VINLDO12",+        "type": "power_in",+        "description": "Analog power supply for internal functions (VREF, BIAS, I2C, Logic)"+      },+      {+        "number": "2",+        "name": "SYNC",+        "type": "input",+        "description": "Frequency synchronization pin allowing external clock signal to synchronize PMIC internal oscillator; must be grounded when not used"+      },+      {+        "number": "3",+        "name": "nPOR",+        "type": "output",+        "description": "Power on reset pin for Buck1 and Buck2 with open drain logic output and 100-kΩ pullup resistor; pulled to ground when supply voltages not good"+      },+      {+        "number": "4",+        "name": "GND_SW1",+        "type": "power_in",+        "description": "Buck1 NMOS power ground"+      },+      {+        "number": "5",+        "name": "SW1",+        "type": "power_out",+        "description": "Buck1 switcher output pin"+      },+      {+        "number": "6",+        "name": "VIN1",+        "type": "power_in",+        "description": "Power input for Buck1 from either DC source or battery"+      },+      {+        "number": "7",+        "name": "ENSW1",+        "type": "input",+        "description": "Enable pin for Buck1 switcher; logic HIGH enables Buck1; pin cannot be left floating"+      },+      {+        "number": "8",+        "name": "FB1",+        "type": "input",+        "description": "Buck1 feedback input terminal"+      },+      {+        "number": "9",+        "name": "GND_C",+        "type": "power_in",+        "description": "Non-switching core ground pin"+      },+      {+        "number": "10",+        "name": "AVDD",+        "type": "power_in",+        "description": "Analog power supply for Buck converters"+      },+      {+        "number": "11",+        "name": "FB2",+        "type": "input",+        "description": "Buck2 feedback input terminal"+      },+      {+        "number": "12",+        "name": "ENSW2",+        "type": "input",+        "description": "Enable pin for Buck2 switcher; logic HIGH enables Buck2; pin cannot be left floating"+      },+      {+        "number": "13",+        "name": "VIN2",+        "type": "power_in",+        "description": "Power input for Buck2 from either DC source or battery"+      },+      {+        "number": "14",+        "name": "SW2",+        "type": "power_out",+        "description": "Buck2 switcher output pin"+      },+      {+        "number": "15",+        "name": "GND_SW2",+        "type": "power_in",+        "description": "Buck2 NMOS power ground"+      },+      {+        "number": "16",+        "name": "ENLDO2",+        "type": "input",+        "description": "Enable pin for LDO2; logic HIGH enables LDO2; pin cannot be left floating"+      },+      {+        "number": "17",+        "name": "ENLDO1",+        "type": "input",+        "description": "Enable pin for LDO1; logic HIGH enables LDO1; pin cannot be left floating"+      },+      {+        "number": "18",+        "name": "GND_L",+        "type": "power_in",+        "description": "LDO ground pin"+      },+      {+        "number": "19",+        "name": "VINLDO1",+        "type": "power_in",+        "description": "Power input for LDO1 from either DC source or battery"+      },+      {+        "number": "20",+        "name": "LDO1",+        "type": "power_out",+        "description": "LDO1 output voltage"+      },+      {+        "number": "21",+        "name": "FBL1",+        "type": "input",+        "description": "LDO1 feedback input terminal"+      },+      {+        "number": "22",+        "name": "FBL2",+        "type": "input",+        "description": "LDO2 feedback input terminal"+      },+      {+        "number": "23",+        "name": "LDO2",+        "type": "power_out",+        "description": "LDO2 output voltage"+      },+      {+        "number": "24",+        "name": "VINLDO2",+        "type": "power_in",+        "description": "Power input for LDO2 from either DC source or battery"+      },+      {+        "number": "25",+        "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-4-5-20251001",+        "primary_mode": "text",+        "consensus_model": "claude-sonnet-5-5",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [+          "extractor flagged: Pin 3 designation: pin table shows 'NPOR' but description and standard active-low notation uses 'nPO; Pin 23 description: datasheet states 'LDO output' which is ambiguous between LDO1 and LDO2; context ",+          "exposed pad 25 added from the footprint",+          "dropped thermal pad ['EP'] absent from footprint"+        ],+        "pages_sent": 9,+        "cost_usd": 0.1574,+        "at": "2026-10-01T16:00:49"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm26480",+        "pages": 44,+        "sha256": "9fa8e8bf5131003e",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 25,+        "described": 25,+        "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