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Initial commit: component/lm5085sd

Ray ·f2295d346c ·14h ago
2 files changed +249
README.mdadded+45
@@ -0,0 +1,45 @@+# LM5085SD++**Texas Instruments** · DC-DC Converters · WSON-8-EP(3x3)++LM5085SD from Texas Instruments, in a WSON-8-EP(3x3). 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 | ADJ | input | Current limit threshold adjustment input; set by external resistor from VIN to ADJ in conjunction with external sense resistor or PFET RDS(ON). |+| 2 | RT | input | On-time control and shutdown input; external resistor from VIN sets switching frequency; grounding pin shuts down controller. |+| 3 | FB | input | Voltage feedback input to regulation and over-voltage comparators with regulation threshold level of 1.25V. |+| 4 | GND | power_in | Circuit ground reference for all internal circuitry. |+| 5 | ISEN | input | Current sense input for limit detection; connect to PFET drain for RDS(ON) sensing or to PFET source with sense resistor for resistive current sensing. |+| 6 | PGATE | output | Gate driver output; voltage swing between VIN (Q1 off) and VCC (Q1 on); drives external PFET gate. |+| 7 | VCC | power_out | Gate driver bias regulator output; regulated at approximately 7.7V below VIN with maximum current capability of 20mA. |+| 8 | VIN | power_in | Input supply voltage with operating range from 4.5V to 75V; low ESR bypass capacitor must be located close to VIN and GND pins. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WSON-8-EP(3x3) |+| Category | Power Management (PMIC) |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `LM5085SD`+- Footprint: `Package_SON:WSON-8-1EP_3x3mm_P0.5mm_EP1.6x2.0mm`+- 3D model: WSON-8-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `lm5085sd-etched.step` / `lm5085sd-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm5085sd.step` / `lm5085sd.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/lm5085-q1) (39 pp, sha256 `5a34a0aa7ad4c733`, retrieved 2026-10-07, tier: lcsc)+- **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/lm5085sd-datasheet.pdf)
page.jsonadded+204
@@ -0,0 +1,204 @@+{+  "slug": "lm5085sd",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, WSON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm5085sd",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm5085sd.kicad_sym",+    "lm5085sd.kicad_mod",+    "lm5085sd.glb",+    "lm5085sd.step",+    "lm5085sd.lbr",+    "docs/hero.png",+    "docs/lm5085sd-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm5085sd-hero.glb",+    "lm5085sd-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM5085SD",+    "manufacturer": "Texas Instruments",+    "package": "WSON-8-EP(3x3)",+    "pin_count": 9,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm5085-q1",+    "parts": {+      "symbol": "lm5085sd.kicad_sym",+      "footprint": "lm5085sd.kicad_mod",+      "model_3d": "lm5085sd-hero.glb",+      "model_3d_plain": "lm5085sd.glb",+      "model_3d_step": "lm5085sd-etched.step",+      "model_3d_step_plain": "lm5085sd.step",+      "lbr": "lm5085sd.lbr"+    },+    "distributor_links": {+      "lcsc": "C2650247"+    },+    "distributor_check": {+      "checked_at": "2026-10-07T03:04:14Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": null,+        "status": "no match"+      },+      "mouser": {+        "pn": null,+        "status": "no match"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "ADJ",+        "type": "input",+        "description": "Current limit threshold adjustment input; set by external resistor from VIN to ADJ in conjunction with external sense resistor or PFET RDS(ON)."+      },+      {+        "number": "2",+        "name": "RT",+        "type": "input",+        "description": "On-time control and shutdown input; external resistor from VIN sets switching frequency; grounding pin shuts down controller."+      },+      {+        "number": "3",+        "name": "FB",+        "type": "input",+        "description": "Voltage feedback input to regulation and over-voltage comparators with regulation threshold level of 1.25V."+      },+      {+        "number": "4",+        "name": "GND",+        "type": "power_in",+        "description": "Circuit ground reference for all internal circuitry."+      },+      {+        "number": "5",+        "name": "ISEN",+        "type": "input",+        "description": "Current sense input for limit detection; connect to PFET drain for RDS(ON) sensing or to PFET source with sense resistor for resistive current sensing."+      },+      {+        "number": "6",+        "name": "PGATE",+        "type": "output",+        "description": "Gate driver output; voltage swing between VIN (Q1 off) and VCC (Q1 on); drives external PFET gate."+      },+      {+        "number": "7",+        "name": "VCC",+        "type": "power_out",+        "description": "Gate driver bias regulator output; regulated at approximately 7.7V below VIN with maximum current capability of 20mA."+      },+      {+        "number": "8",+        "name": "VIN",+        "type": "power_in",+        "description": "Input supply voltage with operating range from 4.5V to 75V; low ESR bypass capacitor must be located close to VIN and GND pins."+      },+      {+        "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-4-5-20251001",+        "primary_mode": "text",+        "consensus_model": "claude-sonnet-5-5",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [+          "exposed pad 9 added from the footprint",+          "dropped thermal pad ['EP'] absent from footprint"+        ],+        "pages_sent": 12,+        "cost_usd": 0.1238,+        "at": "2026-10-07T03:03:57"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm5085-q1",+        "pages": 39,+        "sha256": "5a34a0aa7ad4c733",+        "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": "lm5085sd.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          3,+          2.98,+          0.82+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "cbee016fb8ee69c44b13d8818fcf65dcf240f5fdca70b22700521eb617c5311a",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm5085sd-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          3,+          2.98,+          0.82+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "b7191a7c7d13523314efbada6a9c47db112add6a0f2afb6ca0a35d3f1a219671",+        "checked": "2026-10-07",+        "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