component
U3211
Public Made by Adomby adom
UNI SEMIC AC-DC Controllers And Regulators, SOP-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 @@+# U3211++**UNI SEMIC** · AC-DC Controllers And Regulators · SOP-8++U3211 from UNI SEMIC, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VDD | power_in | Chip positive supply pin; also serves as output voltage feedback reference when FB pin floats; typical application requires 100nF bypass capacitor on this pin. |+| 2 | GND | power_in | Chip reference ground. |+| 3 | FB | input | Feedback input pin for output voltage regulation; when this pin floats, default output voltage is 12V. |+| 4 | CS | output | Peak current detection output pin for inductor peak current monitoring and cycle-by-cycle current limiting. |+| 5 | Drain | output | Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω. |+| 6 | Drain | output | Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω. |+| 7 | Drain | output | Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω. |+| 8 | Drain | output | Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | UNI SEMIC |+| Package | SOP-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `U3211`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)+- 3D model files: `u3211-etched.step` / `u3211-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `u3211.step` / `u3211.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [UNI SEMIC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604437574182322176) (10 pp, sha256 `ebcf7302fc1b0f4a`, retrieved 2026-09-18, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/u3211-datasheet.pdf)
page.jsonadded+141@@ -0,0 +1,141 @@+{+ "slug": "u3211",+ "version": "0.1.0",+ "type": "component",+ "description": "UNI SEMIC AC-DC Controllers And Regulators, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "u3211",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "u3211.kicad_sym",+ "u3211.kicad_mod",+ "u3211.glb",+ "u3211.step",+ "u3211.lbr",+ "docs/hero.png",+ "docs/u3211-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "U3211",+ "manufacturer": "UNI SEMIC",+ "package": "SOP-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "AC-DC Controllers And Regulators",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604437574182322176",+ "parts": {+ "symbol": "u3211.kicad_sym",+ "footprint": "u3211.kicad_mod",+ "model_3d": "u3211-etched.glb",+ "model_3d_plain": "u3211.glb",+ "model_3d_step": "u3211-etched.step",+ "model_3d_step_plain": "u3211.step",+ "lbr": "u3211.lbr"+ },+ "distributor_links": {+ "lcsc": "C41374705"+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Chip positive supply pin; also serves as output voltage feedback reference when FB pin floats; typical application requires 100nF bypass capacitor on this pin."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Chip reference ground."+ },+ {+ "number": "3",+ "name": "FB",+ "type": "input",+ "description": "Feedback input pin for output voltage regulation; when this pin floats, default output voltage is 12V."+ },+ {+ "number": "4",+ "name": "CS",+ "type": "output",+ "description": "Peak current detection output pin for inductor peak current monitoring and cycle-by-cycle current limiting."+ },+ {+ "number": "5",+ "name": "Drain",+ "type": "output",+ "description": "Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω."+ },+ {+ "number": "6",+ "name": "Drain",+ "type": "output",+ "description": "Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω."+ },+ {+ "number": "7",+ "name": "Drain",+ "type": "output",+ "description": "Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω."+ },+ {+ "number": "8",+ "name": "Drain",+ "type": "output",+ "description": "Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 10,+ "cost_usd": 0.143,+ "at": "2026-09-18T05:02:18"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604437574182322176",+ "pages": 10,+ "sha256": "ebcf7302fc1b0f4a",+ "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]"+ }+}