component
UC1843AMDREP
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+122−8@@ -1,13 +1,132 @@ {+ "schema_version": 1,+ "type": "component", "slug": "uc1843amdrep",+ "title": "UC1843AMDREP",+ "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", "uc1843amdrep" ],+ "component": {+ "mpn": "UC1843AMDREP",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "PMIC",+ "subcategory": "AC-DC Controllers and Regulators",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2303021030_Texas-Instruments-UC1843AMDREP_C702394.pdf",+ "parts": {+ "symbol": "uc1843amdrep.kicad_sym",+ "footprint": "uc1843amdrep.kicad_mod",+ "model_3d": "uc1843amdrep.glb",+ "model_3d_step": "uc1843amdrep.step",+ "lbr": "uc1843amdrep.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "COMP",+ "type": "output",+ "description": "Error amplifier output / compensation node. Connect frequency-compensation network between this pin and VFB. Also serves as the control-loop input to the PWM comparator."+ },+ {+ "number": "2",+ "name": "VFB",+ "type": "input",+ "description": "Inverting input to the error amplifier. Normally connected via a resistor divider to the converter output; the non-inverting input is internally tied to the 2.50 V reference. Absolute max input range -0.3 V to 6.3 V."+ },+ {+ "number": "3",+ "name": "ISENSE",+ "type": "input",+ "description": "Current-sense input to the PWM current-sense comparator. Internal 1 V clamp provides pulse-by-pulse current limiting. Typical gain 3 V/V; input bias current ~-2 uA; absolute max range -0.3 V to 6.3 V."+ },+ {+ "number": "4",+ "name": "RT/CT",+ "type": "passive",+ "description": "Oscillator timing pin. Connect a timing resistor from VREF to RT/CT and a timing capacitor from RT/CT to GND to set the switching frequency (up to 500 kHz). Oscillator discharge current trimmed to ~8.3 mA."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground / power ground return. All internal reference voltages are referenced to this pin."+ },+ {+ "number": "6",+ "name": "OUTPUT",+ "type": "output",+ "description": "High-current totem-pole gate-drive output for driving an external power MOSFET. Rated for +/-1 A peak; typical rise/fall time 50 ns into 1 nF load; high-level output 13.5 V typical with 20 mA source."+ },+ {+ "number": "7",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply input for the IC and output driver. UVLO start threshold 8.4 V typ, turn-off 7.6 V typ (UC1843A). Low start-up current <0.5 mA. Internal 34 V zener clamp; absolute max low-impedance source 30 V."+ },+ {+ "number": "8",+ "name": "VREF",+ "type": "power_out",+ "description": "Trimmed 5.0 V internal bandgap reference output, capable of sourcing up to 50 mA. Typically used to bias the oscillator timing network and external circuitry."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2303021030_Texas-Instruments-UC1843AMDREP_C702394.pdf",+ "pages": 17,+ "sha256": "53c59033a3dd0a96",+ "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"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Texas Instruments",+ "Package": "SOIC-8",+ "Category": "PMIC",+ "Pins": "8"+ }+ },+ "variants": [+ {+ "mpn": "UC1843AMDREP",+ "kind": "packaging"+ }+ ],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "uc1843amdrep"+ ],+ "discovery_pitch": "UC1843AMDREP (Texas Instruments) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +144,5 @@ "docs/uc1843amdrep-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }