component
UCC28056CDBVT
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+43@@ -0,0 +1,43 @@+# UCC28056CDBVT++**Texas Instruments** · AC-DC Controllers And Regulators · SOT-23-6++UCC28056CDBVT from Texas Instruments, in a SOT-23-6. 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 | VOSNS | input | Inverting input of voltage error amplifier that monitors output voltage through external resistor divider for output overvoltage protection; oversees first level overvoltage protection threshold. |+| 2 | ZCD/CS | input | Zero-current detection and current sensing input that monitors drain voltage waveform when DRV is low and current through RCS when DRV is high; provides ZCD detection, valley synchronization, line voltage feedforward, undervoltage detection, and secondary overvoltage protection. |+| 3 | VCC | power_in | Positive power supply input ranging from 8.5V to 34V; switch operation begins when VCC exceeds VCCStart threshold and ceases when below VCCStop for longer than TUVLOBlk blanking time. |+| 4 | GND | power_in | Ground reference pin connected exclusively to the lower terminal of the current sensing resistor in the power stage. |+| 5 | DRV | output | Gate drive output for power MOSFET with internal voltage limiting to VDRHigh maximum; external resistor from pin to GND programs valley synchronization delay through TZCDR timing. |+| 6 | COMP | output | Transconductance error amplifier output for voltage loop compensation; connect RC compensation network from this pin to ground; internally discharged during stop state or when Ovp2 comparator triggers. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-6 |+| Category | Power Management (PMIC) |+| Pins | 6 |++## CAD (KiCad official)++- Symbol: `UCC28056CDBVT`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6 (KiCad packages3D, STEP)+- 3D model files: `ucc28056cdbvt-etched.step` / `ucc28056cdbvt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ucc28056cdbvt.step` / `ucc28056cdbvt.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/ucc28056) (49 pp, sha256 `c9fa6ad1b816408d`, 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/ucc28056cdbvt-datasheet.pdf)
page.jsonadded+186@@ -0,0 +1,186 @@+{+ "slug": "ucc28056cdbvt",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments AC-DC Controllers And Regulators, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "ucc28056cdbvt",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ucc28056cdbvt.kicad_sym",+ "ucc28056cdbvt.kicad_mod",+ "ucc28056cdbvt.glb",+ "ucc28056cdbvt.step",+ "ucc28056cdbvt.lbr",+ "docs/hero.png",+ "docs/ucc28056cdbvt-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ucc28056cdbvt-hero.glb",+ "ucc28056cdbvt-hero.overlay.json"+ ],+ "component": {+ "mpn": "UCC28056CDBVT",+ "manufacturer": "Texas Instruments",+ "package": "SOT-23-6",+ "pin_count": 6,+ "category": "Power Management (PMIC)",+ "subcategory": "AC-DC Controllers And Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ucc28056",+ "parts": {+ "symbol": "ucc28056cdbvt.kicad_sym",+ "footprint": "ucc28056cdbvt.kicad_mod",+ "model_3d": "ucc28056cdbvt-hero.glb",+ "model_3d_plain": "ucc28056cdbvt.glb",+ "model_3d_step": "ucc28056cdbvt-etched.step",+ "model_3d_step_plain": "ucc28056cdbvt.step",+ "lbr": "ucc28056cdbvt.lbr"+ },+ "distributor_links": {+ "lcsc": "C2860863",+ "digikey": "296-UCC28056CDBVTTR-ND",+ "mouser": "595-UCC28056CDBVT"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T09:03:03Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-UCC28056CDBVTTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-UCC28056CDBVT",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VOSNS",+ "type": "input",+ "description": "Inverting input of voltage error amplifier that monitors output voltage through external resistor divider for output overvoltage protection; oversees first level overvoltage protection threshold."+ },+ {+ "number": "2",+ "name": "ZCD/CS",+ "type": "input",+ "description": "Zero-current detection and current sensing input that monitors drain voltage waveform when DRV is low and current through RCS when DRV is high; provides ZCD detection, valley synchronization, line voltage feedforward, undervoltage detection, and secondary overvoltage protection."+ },+ {+ "number": "3",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive power supply input ranging from 8.5V to 34V; switch operation begins when VCC exceeds VCCStart threshold and ceases when below VCCStop for longer than TUVLOBlk blanking time."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference pin connected exclusively to the lower terminal of the current sensing resistor in the power stage."+ },+ {+ "number": "5",+ "name": "DRV",+ "type": "output",+ "description": "Gate drive output for power MOSFET with internal voltage limiting to VDRHigh maximum; external resistor from pin to GND programs valley synchronization delay through TZCDR timing."+ },+ {+ "number": "6",+ "name": "COMP",+ "type": "output",+ "description": "Transconductance error amplifier output for voltage loop compensation; connect RC compensation network from this pin to ground; internally discharged during stop state or when Ovp2 comparator triggers."+ }+ ],+ "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": 34,+ "cost_usd": 0.2479,+ "at": "2026-10-07T09:02:50"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ucc28056",+ "pages": 49,+ "sha256": "c9fa6ad1b816408d",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 6,+ "described": 6,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "ucc28056cdbvt.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 2.8,+ 2.9,+ 1.55+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "ucc28056cdbvt-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 2.8,+ 2.9,+ 1.55+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "cfd2985071bac79abea2645d0348fbdd60219be6b6ec5f8ea01ead8d1b62c4e6",+ "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]"+ }+}