component
UCC28C43DR
Public Made by Adomby adom
Texas Instruments AC-DC Controllers and Regulators, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+116−8@@ -1,13 +1,126 @@ {+ "schema_version": 1,+ "type": "component", "slug": "ucc28c43dr",+ "title": "UCC28C43DR",+ "brief": "Texas Instruments AC-DC Controllers and Regulators, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Texas Instruments AC-DC Controllers and Regulators, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "ucc28c43dr" ],+ "component": {+ "mpn": "UCC28C43DR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "PMIC",+ "subcategory": "AC-DC Controllers and Regulators",+ "datasheet": "https://www.ti.com/lit/ds/symlink/ucc28c43.pdf",+ "parts": {+ "symbol": "ucc28c43dr.kicad_sym",+ "footprint": "ucc28c43dr.kicad_mod",+ "model_3d": "ucc28c43dr.glb",+ "model_3d_step": "ucc28c43dr.step",+ "lbr": "ucc28c43dr.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "COMP",+ "type": "output",+ "description": "Error amplifier output used for loop compensation. Frequently used as a control port by driving via a secondary-side opto-isolator; the error amplifier is internally current limited so forcing COMP to GND commands zero duty cycle."+ },+ {+ "number": "2",+ "name": "FB",+ "type": "input",+ "description": "Inverting input to the internal error amplifier used to control the power converter voltage-feedback loop for stability. The non-inverting input is internally trimmed to 2.5V \u00b1 1%."+ },+ {+ "number": "3",+ "name": "CS",+ "type": "input",+ "description": "Primary-side current sense input (non-inverting input to the PWM comparator). Connect to the current-sense resistor; when this signal exceeds the scaled error-amplifier voltage the PWM terminates OUT conduction. A voltage ramp may be applied here for voltage-mode operation. COMP-to-CS offset \u2248 1.15V, max CS input signal \u2248 1V."+ },+ {+ "number": "4",+ "name": "RT/CT",+ "type": "bidirectional",+ "description": "Fixed-frequency oscillator timing node. Connect timing resistor R_RT from VREF to this pin and timing capacitor C_CT from this pin to GND to set switching frequency (fSW = fOSC for the C43). Peak-to-peak ramp \u2248 1.9V; internal discharge current \u2248 8.4mA (with R_RT = 10k\u03a9)."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground return pin for the output driver stage and the logic-level controller section. All voltages are referenced to this pin."+ },+ {+ "number": "6",+ "name": "OUT",+ "type": "output",+ "description": "High-current totem-pole gate-drive output intended to directly drive an external MOSFET gate. Rail-to-rail \u00b11A peak (source/sink), 25ns rise / 20ns fall into 1nF; runs at the oscillator frequency with up to ~100% duty cycle for the UCC28C43. OUT is actively held low when VDD is below the turn-on threshold."+ },+ {+ "number": "7",+ "name": "VDD",+ "type": "power_in",+ "description": "Analog controller bias supply input (recommended operating range up to 18V, absolute max 20V). Requires a 0.1\u00b5F bypass to GND with minimal trace length and additional bulk capacitance \u2265 10\u00d7 the external MOSFET gate capacitance. UVLO turn-on 8.4V / turn-off 7.6V (C43 variant); startup current 50\u00b5A typ, operating current 2.3mA typ."+ },+ {+ "number": "8",+ "name": "VREF",+ "type": "power_out",+ "description": "5V \u00b11% precision reference output used to source oscillator timing current through R_RT and to power light external loads (up to 20mA source). Must be bypassed to GND with at least a 0.1\u00b5F ceramic located close to the pin for stability."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/ucc28c43.pdf",+ "pages": 60,+ "sha256": "9fa55f996731c56b",+ "source_tier": "mfr"+ },+ "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"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Texas Instruments",+ "Package": "SOIC-8",+ "Category": "PMIC",+ "Pins": "8"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "ucc28c43dr"+ ],+ "discovery_pitch": "UCC28C43DR (Texas Instruments) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +138,5 @@ "docs/ucc28c43dr-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }