component
UCC28703DBVR
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.
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README.mdadded+42@@ -0,0 +1,42 @@+# UCC28703DBVR++**Texas Instruments** · AC-DC Controllers And Regulators · SOT-23-6++UCC28703DBVR 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 | NTC | input | NTC interface to external NTC (negative temperature coefficient) resistor for remote temperature sensing; pulling this pin low shuts down PWM action. |+| 2 | VDD | power_in | Bias supply input pin to the controller; a carefully-placed bypass capacitor to GND is required on this pin with operating range 9 V to 35 V. |+| 3 | DRV | output | Gate drive output used to drive the gate of an external high voltage MOSFET switching transistor with 25-mA current source on turn-on and 14-V maximum output voltage. |+| 4 | CS | input | Current sense input connects to a ground-referenced current-sense resistor in series with the power switch to monitor and control peak primary current with 235-ns leading-edge blanking time. |+| 5 | GND | power_in | Ground pin serving as both reference pin for the controller and low-side return for drive output; return all AC decoupling capacitors as close as possible to this pin. |+| 6 | VS | power_in | Voltage sense input for voltage and timing feedback to the controller connected to voltage divider between auxiliary winding and GND with internal reference of 4.05 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-6 |+| Category | Power Management (PMIC) |+| Pins | 6 |++## CAD (KiCad official)++- Symbol: `UCC28703DBVR`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6 (KiCad packages3D, STEP)+- 3D model files: `ucc28703dbvr-etched.step` / `ucc28703dbvr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ucc28703dbvr.step` / `ucc28703dbvr.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/lit/ds/symlink/ucc28703.pdf) (36 pp, sha256 `9647423fe1ad9b83`, retrieved 2026-10-01, tier: manufacturer)+- **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/ucc28703dbvr-datasheet.pdf)
page.jsonadded+144@@ -0,0 +1,144 @@+{+ "slug": "ucc28703dbvr",+ "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)",+ "ucc28703dbvr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ucc28703dbvr.kicad_sym",+ "ucc28703dbvr.kicad_mod",+ "ucc28703dbvr.glb",+ "ucc28703dbvr.step",+ "ucc28703dbvr.lbr",+ "docs/hero.png",+ "docs/ucc28703dbvr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "UCC28703DBVR",+ "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/lit/ds/symlink/ucc28703.pdf",+ "parts": {+ "symbol": "ucc28703dbvr.kicad_sym",+ "footprint": "ucc28703dbvr.kicad_mod",+ "model_3d": "ucc28703dbvr-etched.glb",+ "model_3d_plain": "ucc28703dbvr.glb",+ "model_3d_step": "ucc28703dbvr-etched.step",+ "model_3d_step_plain": "ucc28703dbvr.step",+ "lbr": "ucc28703dbvr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2866655",+ "digikey": "296-UCC28703DBVRTR-ND",+ "mouser": "595-UCC28703DBVR"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T01:12:01Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-UCC28703DBVRTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-UCC28703DBVR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "NTC",+ "type": "input",+ "description": "NTC interface to external NTC (negative temperature coefficient) resistor for remote temperature sensing; pulling this pin low shuts down PWM action."+ },+ {+ "number": "2",+ "name": "VDD",+ "type": "power_in",+ "description": "Bias supply input pin to the controller; a carefully-placed bypass capacitor to GND is required on this pin with operating range 9 V to 35 V."+ },+ {+ "number": "3",+ "name": "DRV",+ "type": "output",+ "description": "Gate drive output used to drive the gate of an external high voltage MOSFET switching transistor with 25-mA current source on turn-on and 14-V maximum output voltage."+ },+ {+ "number": "4",+ "name": "CS",+ "type": "input",+ "description": "Current sense input connects to a ground-referenced current-sense resistor in series with the power switch to monitor and control peak primary current with 235-ns leading-edge blanking time."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin serving as both reference pin for the controller and low-side return for drive output; return all AC decoupling capacitors as close as possible to this pin."+ },+ {+ "number": "6",+ "name": "VS",+ "type": "power_in",+ "description": "Voltage sense input for voltage and timing feedback to the controller connected to voltage divider between auxiliary winding and GND with internal reference of 4.05 V."+ }+ ],+ "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": 14,+ "cost_usd": 0.0978,+ "at": "2026-10-01T01:11:46"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/ucc28703.pdf",+ "pages": 36,+ "sha256": "9647423fe1ad9b83",+ "source_tier": "mfr"+ },+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}