component
UCC2808AD-2
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.
← Commit history
README.mdadded+45@@ -0,0 +1,45 @@+# UCC2808AD-2++**Texas Instruments** · AC-DC Controllers And Regulators · SOIC-8++UCC2808AD-2 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; 2MHz operational amplifier with low output impedance capable of sourcing and sinking current with internal current limiting. |+| 2 | FB | input | Inverting input of the error amplifier; minimize lead length and stray capacitance for optimal stability. |+| 3 | CS | input | PWM input and peak current comparator with 0.75V overcurrent threshold that triggers soft-start cycle; internal MOSFET discharges current-sense filter capacitor to improve converter dynamic response. |+| 4 | RC | output | Oscillator timing pin; connect external RC network with resistor 10-200kΩ to VDD and capacitor 100-1000pF to GND to program frequency per f=1.41/(RC), typical 175-213 kHz. |+| 5 | GND | power_in | Reference ground and power supply ground for all functions; low-impedance PCB ground plane required due to high-current and high-frequency operation. |+| 6 | OUTB | output | High-current alternating output stage capable of 500mA peak source current and 1A peak sink current; switches at half oscillator frequency with 60-200ns dead-time relative to OUTA. |+| 7 | OUTA | output | High-current alternating output stage capable of 500mA peak source current and 1A peak sink current; switches at half oscillator frequency with 60-200ns dead-time relative to OUTB. |+| 8 | VDD | power_in | Power supply input (5-14V for UCC2808A-2); bypass with 1µF ceramic capacitor close to device; total current is sum of static current and average output current dependent on switching frequency. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `UCC2808AD-2`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `ucc2808ad-2-etched.step` / `ucc2808ad-2-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ucc2808ad-2.step` / `ucc2808ad-2.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/ucc3808a-2) (27 pp, sha256 `a8e88286e9a900bf`, retrieved 2026-10-07, 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/ucc2808ad-2-datasheet.pdf)
page.jsonadded+199@@ -0,0 +1,199 @@+{+ "slug": "ucc2808ad-2",+ "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)",+ "ucc2808ad-2",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ucc2808ad-2.kicad_sym",+ "ucc2808ad-2.kicad_mod",+ "ucc2808ad-2.glb",+ "ucc2808ad-2.step",+ "ucc2808ad-2.lbr",+ "docs/hero.png",+ "docs/ucc2808ad-2-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ucc2808ad-2-hero.glb",+ "ucc2808ad-2-hero.overlay.json"+ ],+ "component": {+ "mpn": "UCC2808AD-2",+ "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/ucc3808a-2",+ "parts": {+ "symbol": "ucc2808ad-2.kicad_sym",+ "footprint": "ucc2808ad-2.kicad_mod",+ "model_3d": "ucc2808ad-2-hero.glb",+ "model_3d_plain": "ucc2808ad-2.glb",+ "model_3d_step": "ucc2808ad-2-etched.step",+ "model_3d_step_plain": "ucc2808ad-2.step",+ "lbr": "ucc2808ad-2.lbr"+ },+ "distributor_links": {+ "lcsc": "C1519419",+ "digikey": "296-11396-5-ND",+ "mouser": "595-UCC2808AD-2"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T08:54:13Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-11396-5-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "595-UCC2808AD-2",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "COMP",+ "type": "output",+ "description": "Error amplifier output and PWM comparator input; 2MHz operational amplifier with low output impedance capable of sourcing and sinking current with internal current limiting."+ },+ {+ "number": "2",+ "name": "FB",+ "type": "input",+ "description": "Inverting input of the error amplifier; minimize lead length and stray capacitance for optimal stability."+ },+ {+ "number": "3",+ "name": "CS",+ "type": "input",+ "description": "PWM input and peak current comparator with 0.75V overcurrent threshold that triggers soft-start cycle; internal MOSFET discharges current-sense filter capacitor to improve converter dynamic response."+ },+ {+ "number": "4",+ "name": "RC",+ "type": "output",+ "description": "Oscillator timing pin; connect external RC network with resistor 10-200kΩ to VDD and capacitor 100-1000pF to GND to program frequency per f=1.41/(RC), typical 175-213 kHz."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Reference ground and power supply ground for all functions; low-impedance PCB ground plane required due to high-current and high-frequency operation."+ },+ {+ "number": "6",+ "name": "OUTB",+ "type": "output",+ "description": "High-current alternating output stage capable of 500mA peak source current and 1A peak sink current; switches at half oscillator frequency with 60-200ns dead-time relative to OUTA."+ },+ {+ "number": "7",+ "name": "OUTA",+ "type": "output",+ "description": "High-current alternating output stage capable of 500mA peak source current and 1A peak sink current; switches at half oscillator frequency with 60-200ns dead-time relative to OUTB."+ },+ {+ "number": "8",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply input (5-14V for UCC2808A-2); bypass with 1µF ceramic capacitor close to device; total current is sum of static current and average output current dependent on switching frequency."+ }+ ],+ "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": 27,+ "cost_usd": 0.1782,+ "at": "2026-10-07T08:54:00"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ucc3808a-2",+ "pages": 27,+ "sha256": "a8e88286e9a900bf",+ "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": "ucc2808ad-2.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": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "ucc2808ad-2-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": "c95167a2242d2e693040327b8d7159f5fe9039f7afc1ab242c3152dc2b32d6d3",+ "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]"+ }+}