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Initial commit: component/ucc2807dtr-3

Ray ·07b0e63971 ·20d ago
2 files changed +245
README.mdadded+44
@@ -0,0 +1,44 @@+# UCC2807DTR-3++**Texas Instruments** · DC-DC Converters · SOIC-8++UCC2807DTR-3 from Texas Instruments, in a SOIC-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 | TRIG | input | Oscillator timing input with an RC-type charge/discharge signal controlling the internal oscillator; signal minimum 1/3 VDD, maximum 2/3 VDD. |+| 2 | COMP | output | Output of the error amplifier and input of the PWM comparator; can source and sink current, and forcing it to GND gives zero duty cycle. |+| 3 | FB | input | Inverting input to the error amplifier; keep connections short and stray capacitance small for best stability. |+| 4 | CS | input | Current sense input to the PWM and overcurrent comparators, with 100ns leading edge blanking after the rising edge at OUT; absolute maximum -0.3V to VDD+0.3V. |+| 5 | GND | power_in | Reference ground and power ground for all functions of the part. |+| 6 | OUT | output | High current totem pole power driver output for a power MOSFET gate, with peak currents exceeding 1A (absolute maximum ±1A), actively held low when VDD is below the UVLO threshold. |+| 7 | VDD | power_in | Power input connection; absolute maximum supply voltage 13.5V (IDD ≤10mA), UCCx807-3 start threshold 4.3V typ and turn-off 4.1V typ, bypass to GND with a ceramic capacitor close to the chip. |+| 8 | DISCH | passive | Provides the low impedance discharge path for the external RC timing network during normal oscillator operation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `UCC2807DTR-3`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `ucc2807dtr-3-etched.step` / `ucc2807dtr-3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ucc2807dtr-3.step` / `ucc2807dtr-3.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/ucc2807-3) (15 pp, sha256 `18e438c9fefd4905`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (vision), consensus `claude-opus-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/ucc2807dtr-3-datasheet.pdf)
page.jsonadded+201
@@ -0,0 +1,201 @@+{+  "slug": "ucc2807dtr-3",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "ucc2807dtr-3",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "ucc2807dtr-3.kicad_sym",+    "ucc2807dtr-3.kicad_mod",+    "ucc2807dtr-3.glb",+    "ucc2807dtr-3.step",+    "ucc2807dtr-3.lbr",+    "docs/hero.png",+    "docs/ucc2807dtr-3-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "ucc2807dtr-3-hero.glb",+    "ucc2807dtr-3-hero.overlay.json"+  ],+  "component": {+    "mpn": "UCC2807DTR-3",+    "manufacturer": "Texas Instruments",+    "package": "SOIC-8",+    "pin_count": 8,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/ucc2807-3",+    "parts": {+      "symbol": "ucc2807dtr-3.kicad_sym",+      "footprint": "ucc2807dtr-3.kicad_mod",+      "model_3d": "ucc2807dtr-3-hero.glb",+      "model_3d_plain": "ucc2807dtr-3.glb",+      "model_3d_step": "ucc2807dtr-3-etched.step",+      "model_3d_step_plain": "ucc2807dtr-3.step",+      "lbr": "ucc2807dtr-3.lbr"+    },+    "distributor_links": {+      "lcsc": "C2868136",+      "digikey": "UCC2807DTR-3-ND",+      "mouser": "595-UCC2807DTR-3"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T16:50:06Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "UCC2807DTR-3-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-UCC2807DTR-3",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "TRIG",+        "type": "input",+        "description": "Oscillator timing input with an RC-type charge/discharge signal controlling the internal oscillator; signal minimum 1/3 VDD, maximum 2/3 VDD."+      },+      {+        "number": "2",+        "name": "COMP",+        "type": "output",+        "description": "Output of the error amplifier and input of the PWM comparator; can source and sink current, and forcing it to GND gives zero duty cycle."+      },+      {+        "number": "3",+        "name": "FB",+        "type": "input",+        "description": "Inverting input to the error amplifier; keep connections short and stray capacitance small for best stability."+      },+      {+        "number": "4",+        "name": "CS",+        "type": "input",+        "description": "Current sense input to the PWM and overcurrent comparators, with 100ns leading edge blanking after the rising edge at OUT; absolute maximum -0.3V to VDD+0.3V."+      },+      {+        "number": "5",+        "name": "GND",+        "type": "power_in",+        "description": "Reference ground and power ground for all functions of the part."+      },+      {+        "number": "6",+        "name": "OUT",+        "type": "output",+        "description": "High current totem pole power driver output for a power MOSFET gate, with peak currents exceeding 1A (absolute maximum ±1A), actively held low when VDD is below the UVLO threshold."+      },+      {+        "number": "7",+        "name": "VDD",+        "type": "power_in",+        "description": "Power input connection; absolute maximum supply voltage 13.5V (IDD ≤10mA), UCCx807-3 start threshold 4.3V typ and turn-off 4.1V typ, bypass to GND with a ceramic capacitor close to the chip."+      },+      {+        "number": "8",+        "name": "DISCH",+        "type": "passive",+        "description": "Provides the low impedance discharge path for the external RC timing network during normal oscillator operation."+      }+    ],+    "provenance": {+      "extractor": "extract_pins 0.3",+      "factory_chain": {+        "factory": "2.0.0",+        "extractor": "extract_pins 0.3",+        "primary_model": "claude-sonnet-5-5",+        "primary_mode": "vision",+        "consensus_model": "claude-opus-5-5",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [+          "extractor flagged: The datasheet shows one connection diagram for DIL-8, SOIC-8 and TSSOP-8 (D and PW packages). The or; DISCH has no matching KiCad type. I used passive because it is a discharge path to the external RC n",+          "vision extraction: provenance cannot be text-verified; needs consensus"+        ],+        "pages_sent": 12,+        "cost_usd": 0.2884,+        "at": "2026-10-08T16:49:23"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/ucc2807-3",+        "pages": 15,+        "sha256": "18e438c9fefd4905",+        "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": "ucc2807dtr-3.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": "ucc2807dtr-3-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": "0c7707dcf90455ffa85e6b0450bfc327f777c0cfbc25706e8dcb53e49ec5efa1",+        "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