component
UCC3805DTR
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# UCC3805DTR++**Texas Instruments** · AC-DC Controllers And Regulators · SOIC-8++UCC3805DTR 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 | COMP | output | Error amplifier output and PWM comparator input with integrated soft start; can force to GND externally for zero duty cycle. |+| 2 | FB | input | Error amplifier inverting input; keep lead length short and minimize stray capacitance for optimal stability. |+| 3 | CS | input | Current sense comparator input with 100ns internal leading edge blanking; analog RC filter not required for most applications. |+| 4 | RC | input | Oscillator timing pin; set frequency with RT (10kΩ to 200kΩ) from REF and CT (100pF to 1000pF) to GND. |+| 5 | GND | power_in | Ground reference for all device signal and power supply functions. |+| 6 | OUT | output | High-current power driver output with ±1A peak capability; actively held low when VCC is below threshold. |+| 7 | VCC | power_in | Power supply input connection; supply through current-limiting resistor with 0.1µF-1µF bypass capacitor to GND. |+| 8 | REF | output | Voltage reference output pulled to ground via 5kΩ resistor when VCC is between 1V and UVLO threshold. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `UCC3805DTR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `ucc3805dtr-etched.step` / `ucc3805dtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ucc3805dtr.step` / `ucc3805dtr.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/ucc2805) (59 pp, sha256 `3f7e3ad23bdb4f2f`, 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/ucc3805dtr-datasheet.pdf)
page.jsonadded+155@@ -0,0 +1,155 @@+{+ "slug": "ucc3805dtr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments AC-DC Controllers And Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "ucc3805dtr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ucc3805dtr.kicad_sym",+ "ucc3805dtr.kicad_mod",+ "ucc3805dtr.glb",+ "ucc3805dtr.step",+ "ucc3805dtr.lbr",+ "docs/hero.png",+ "docs/ucc3805dtr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "UCC3805DTR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "AC-DC Controllers And Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ucc2805",+ "parts": {+ "symbol": "ucc3805dtr.kicad_sym",+ "footprint": "ucc3805dtr.kicad_mod",+ "model_3d": "ucc3805dtr-etched.glb",+ "model_3d_plain": "ucc3805dtr.glb",+ "model_3d_step": "ucc3805dtr-etched.step",+ "model_3d_step_plain": "ucc3805dtr.step",+ "lbr": "ucc3805dtr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2657975",+ "digikey": "296-41813-2-ND",+ "mouser": "595-UCC3805DTR"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T04:11:31Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-41813-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-UCC3805DTR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "COMP",+ "type": "output",+ "description": "Error amplifier output and PWM comparator input with integrated soft start; can force to GND externally for zero duty cycle."+ },+ {+ "number": "2",+ "name": "FB",+ "type": "input",+ "description": "Error amplifier inverting input; keep lead length short and minimize stray capacitance for optimal stability."+ },+ {+ "number": "3",+ "name": "CS",+ "type": "input",+ "description": "Current sense comparator input with 100ns internal leading edge blanking; analog RC filter not required for most applications."+ },+ {+ "number": "4",+ "name": "RC",+ "type": "input",+ "description": "Oscillator timing pin; set frequency with RT (10kΩ to 200kΩ) from REF and CT (100pF to 1000pF) to GND."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for all device signal and power supply functions."+ },+ {+ "number": "6",+ "name": "OUT",+ "type": "output",+ "description": "High-current power driver output with ±1A peak capability; actively held low when VCC is below threshold."+ },+ {+ "number": "7",+ "name": "VCC",+ "type": "power_in",+ "description": "Power supply input connection; supply through current-limiting resistor with 0.1µF-1µF bypass capacitor to GND."+ },+ {+ "number": "8",+ "name": "REF",+ "type": "output",+ "description": "Voltage reference output pulled to ground via 5kΩ resistor when VCC is between 1V and UVLO threshold."+ }+ ],+ "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": 43,+ "cost_usd": 0.3596,+ "at": "2026-10-01T04:11:15"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ucc2805",+ "pages": 59,+ "sha256": "3f7e3ad23bdb4f2f",+ "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]"+ }+}