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Initial commit: component/uc3825adw

Ray ·1f6fefe7d2 ·4d ago
2 files changed +257
README.mdadded+53
@@ -0,0 +1,53 @@+# UC3825ADW++**Texas Instruments** · DC-DC Converters · SOIC-16-300mil++UC3825ADW from Texas Instruments, in a SOIC-16-300mil. 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 | INV | input | Inverting input to error amplifier with voltage range -0.3 to 7V. |+| 2 | NI | input | Non-inverting input to error amplifier with voltage range -0.3 to 7V. |+| 3 | EAOUT | output | Error amplifier output for compensation with up to 5mA source current. |+| 4 | CLK/LEB | output | Internal oscillator clock output with leading edge blanking control and 5mA maximum source current. |+| 5 | RT | input | Timing resistor connection pin for oscillator frequency programming accepting -5mA input current. |+| 6 | CT | input | Timing capacitor connection pin for oscillator frequency programming. |+| 7 | RAMP | input | PWM comparator non-inverting input with 1.25V internal offset and -0.3 to 7V voltage range. |+| 8 | SS | input | Soft-start and maximum duty cycle clamp input with -0.3 to 6V range and 20mA maximum sink current. |+| 9 | ILIM | input | Current limit comparator input with 1.0V limit threshold and 1.2V overcurrent fault threshold, -0.3 to 6V. |+| 10 | GND | power_in | Analog ground return pin. |+| 11 | OUTA | output | High current totem pole output A with 2A peak pulse current capability. |+| 12 | PGND | power_in | Output driver stage ground return pin. |+| 13 | VC | power_in | Power supply pin for output stage with 22V maximum rating; bypass with 0.1μF capacitor. |+| 14 | OUTB | output | High current totem pole output B with 2A peak pulse current capability. |+| 15 | VCC | power_in | Device power supply pin with 22V maximum rating; bypass with 0.1μF capacitor. |+| 16 | VREF | power_out | 5.1V reference output; bypass with 0.1μF capacitor for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16-300mil |+| Category | Power Management (PMIC) |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `UC3825ADW`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16-300mil (KiCad packages3D, STEP)+- 3D model files: `uc3825adw-etched.step` / `uc3825adw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `uc3825adw.step` / `uc3825adw.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/uc3825a) (25 pp, sha256 `845d3e8b8150e1a1`, 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/uc3825adw-datasheet.pdf)
page.jsonadded+204
@@ -0,0 +1,204 @@+{+  "slug": "uc3825adw",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "uc3825adw",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "uc3825adw.kicad_sym",+    "uc3825adw.kicad_mod",+    "uc3825adw.glb",+    "uc3825adw.step",+    "uc3825adw.lbr",+    "docs/hero.png",+    "docs/uc3825adw-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "UC3825ADW",+    "manufacturer": "Texas Instruments",+    "package": "SOIC-16-300mil",+    "pin_count": 16,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/uc3825a",+    "parts": {+      "symbol": "uc3825adw.kicad_sym",+      "footprint": "uc3825adw.kicad_mod",+      "model_3d": "uc3825adw-etched.glb",+      "model_3d_plain": "uc3825adw.glb",+      "model_3d_step": "uc3825adw-etched.step",+      "model_3d_step_plain": "uc3825adw.step",+      "lbr": "uc3825adw.lbr"+    },+    "distributor_links": {+      "lcsc": "C1530013",+      "digikey": "296-2517-5-ND",+      "mouser": "595-UC3825ADW"+    },+    "distributor_check": {+      "checked_at": "2026-10-01T08:54:10Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-2517-5-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-UC3825ADW",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "INV",+        "type": "input",+        "description": "Inverting input to error amplifier with voltage range -0.3 to 7V."+      },+      {+        "number": "2",+        "name": "NI",+        "type": "input",+        "description": "Non-inverting input to error amplifier with voltage range -0.3 to 7V."+      },+      {+        "number": "3",+        "name": "EAOUT",+        "type": "output",+        "description": "Error amplifier output for compensation with up to 5mA source current."+      },+      {+        "number": "4",+        "name": "CLK/LEB",+        "type": "output",+        "description": "Internal oscillator clock output with leading edge blanking control and 5mA maximum source current."+      },+      {+        "number": "5",+        "name": "RT",+        "type": "input",+        "description": "Timing resistor connection pin for oscillator frequency programming accepting -5mA input current."+      },+      {+        "number": "6",+        "name": "CT",+        "type": "input",+        "description": "Timing capacitor connection pin for oscillator frequency programming."+      },+      {+        "number": "7",+        "name": "RAMP",+        "type": "input",+        "description": "PWM comparator non-inverting input with 1.25V internal offset and -0.3 to 7V voltage range."+      },+      {+        "number": "8",+        "name": "SS",+        "type": "input",+        "description": "Soft-start and maximum duty cycle clamp input with -0.3 to 6V range and 20mA maximum sink current."+      },+      {+        "number": "9",+        "name": "ILIM",+        "type": "input",+        "description": "Current limit comparator input with 1.0V limit threshold and 1.2V overcurrent fault threshold, -0.3 to 6V."+      },+      {+        "number": "10",+        "name": "GND",+        "type": "power_in",+        "description": "Analog ground return pin."+      },+      {+        "number": "11",+        "name": "OUTA",+        "type": "output",+        "description": "High current totem pole output A with 2A peak pulse current capability."+      },+      {+        "number": "12",+        "name": "PGND",+        "type": "power_in",+        "description": "Output driver stage ground return pin."+      },+      {+        "number": "13",+        "name": "VC",+        "type": "power_in",+        "description": "Power supply pin for output stage with 22V maximum rating; bypass with 0.1μF capacitor."+      },+      {+        "number": "14",+        "name": "OUTB",+        "type": "output",+        "description": "High current totem pole output B with 2A peak pulse current capability."+      },+      {+        "number": "15",+        "name": "VCC",+        "type": "power_in",+        "description": "Device power supply pin with 22V maximum rating; bypass with 0.1μF capacitor."+      },+      {+        "number": "16",+        "name": "VREF",+        "type": "power_out",+        "description": "5.1V reference output; bypass with 0.1μF capacitor for stability."+      }+    ],+    "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": [],+        "pages_sent": 15,+        "cost_usd": 0.1528,+        "at": "2026-10-01T08:53:53"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/uc3825a",+        "pages": 25,+        "sha256": "845d3e8b8150e1a1",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 16,+        "described": 16,+        "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