component
UC2843M
Public Made by Adomby adom
HGSEMI AC-DC Controllers and Regulators, SOP-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": "uc2843m",+ "title": "UC2843M",+ "brief": "HGSEMI AC-DC Controllers and Regulators, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "HGSEMI AC-DC Controllers and Regulators, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "uc2843m" ],+ "component": {+ "mpn": "UC2843M",+ "manufacturer": "HGSEMI",+ "package": "SOP-8",+ "pin_count": 8,+ "category": "PMIC",+ "subcategory": "AC-DC Controllers and Regulators",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2204181745_HGSEMI-UC2843M-TR_C2987344.pdf",+ "parts": {+ "symbol": "uc2843m.kicad_sym",+ "footprint": "uc2843m.kicad_mod",+ "model_3d": "uc2843m.glb",+ "model_3d_step": "uc2843m.step",+ "lbr": "uc2843m.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "COMP",+ "type": "output",+ "description": "Error Amplifier output, brought out for loop compensation. External RC networks between COMP and VFB set the control-loop response."+ },+ {+ "number": "2",+ "name": "VFB",+ "type": "input",+ "description": "Inverting input of the Error Amplifier (internal reference ~2.5V). Normally connected to the switching supply output through a resistor divider for output-voltage regulation."+ },+ {+ "number": "3",+ "name": "ISENSE",+ "type": "input",+ "description": "Current-sense input. A voltage proportional to the switch/inductor current (from a sense resistor) is applied here; the PWM comparator terminates the output switch conduction when this pin reaches ~1.0V (internal 1V clamp)."+ },+ {+ "number": "4",+ "name": "RT/CT",+ "type": "passive",+ "description": "Oscillator timing pin. Oscillator frequency and maximum duty cycle are set by an external resistor RT from VREF to this pin, and a capacitor CT from this pin to GND. Typical operation up to 500 kHz."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Combined control-circuitry and power ground return for the IC. Single-point ground for both signal path and the totem-pole output stage."+ },+ {+ "number": "6",+ "name": "OUT",+ "type": "output",+ "description": "High-current totem-pole gate-drive output. Directly drives the gate of an external power MOSFET; peak source/sink currents up to 1 A. VOH ~13.5V and VOL ~0.08V at 20 mA."+ },+ {+ "number": "7",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply for the IC. Absolute max 30V (or Zener-clamped ~38V). UC2843/45 UVLO turn-on ~8.4V, turn-off ~7.6V; operating ICC ~13 mA, startup ~0.17 mA."+ },+ {+ "number": "8",+ "name": "VREF",+ "type": "power_out",+ "description": "5.0V (\u00b12%) trimmed reference output. Sources bias/charging current for the timing capacitor CT via RT; short-circuit current limited to ~-100 mA (typ)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2204181745_HGSEMI-UC2843M-TR_C2987344.pdf",+ "pages": 12,+ "sha256": "b372c24e6b8779f6",+ "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": "HGSEMI",+ "Package": "SOP-8",+ "Category": "PMIC",+ "Pins": "8"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "uc2843m"+ ],+ "discovery_pitch": "UC2843M (HGSEMI) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +138,5 @@ "docs/uc2843m-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }