component
UC2843D8TR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+162−8@@ -1,13 +1,172 @@ {+ "schema_version": 1,+ "type": "component", "slug": "uc2843d8tr",+ "title": "UC2843D8TR",+ "brief": "Texas Instruments DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Texas Instruments DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "uc2843d8tr" ],+ "component": {+ "mpn": "UC2843D8TR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "PMIC",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/lit/ds/symlink/uc2843d8tr.pdf",+ "parts": {+ "symbol": "uc2843d8tr.kicad_sym",+ "footprint": "uc2843d8tr.kicad_mod",+ "model_3d": "uc2843d8tr.glb",+ "model_3d_step": "uc2843d8tr.step",+ "lbr": "uc2843d8tr.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "COMP",+ "type": "output",+ "description": "Error amplifier compensation pin. Connect external compensation components to modify the error amplifier output. The error amplifier is internally current-limited; forcing COMP to GROUND commands zero duty cycle."+ },+ {+ "number": "2",+ "name": "VFB",+ "type": "input",+ "description": "Inverting input to the internal error amplifier. VFB is used to control the power converter voltage-feedback loop for stability. Internal reference is 2.5 V."+ },+ {+ "number": "3",+ "name": "ISENSE",+ "type": "input",+ "description": "Primary-side current sense input. Connect to the current sensing resistor; the PWM uses this signal to terminate OUTPUT switch conduction. Max input 1 V; a voltage ramp can be applied here for voltage-mode control."+ },+ {+ "number": "4",+ "name": "RT/CT",+ "type": "bidirectional",+ "description": "Fixed-frequency oscillator set point. Connect a timing resistor R_RT to VREF and timing capacitor C_CT to GROUND to set the switching frequency. f_OSC = 1.72 / (R_RT * C_CT); R_RT must be >=5 k\u03a9. Up to 500 kHz operation."+ },+ {+ "number": "5",+ "name": "GROUND",+ "type": "power_in",+ "description": "Analog and power ground return for the device. In the 8-pin package (no separate PWRGND), GROUND serves as both analog and power ground."+ },+ {+ "number": "6",+ "name": "OUTPUT",+ "type": "output",+ "description": "Gate drive for the external N-channel MOSFET. On-chip totem-pole driver sources and sinks peak currents up to 1 A. OUTPUT is actively held low when VCC is below the turnon (UVLO) threshold."+ },+ {+ "number": "7",+ "name": "VCC",+ "type": "power_in",+ "description": "Analog controller bias input that also powers the gate driver in the 8-pin package. Recommended supply 12-28 V; abs max 30 V (self-limiting above I_VCC = 30 mA). Requires a ~0.1 \u00b5F bypass to GROUND plus an additional bypass at least 10x the gate capacitance of the switching FET."+ },+ {+ "number": "8",+ "name": "VREF",+ "type": "power_out",+ "description": "5 V trimmed reference output. Provides charging current to the oscillator timing capacitor through R_RT. Requires a minimum 0.1 \u00b5F ceramic bypass to GROUND close to the pin. Max load current 20 mA."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/uc2843d8tr.pdf",+ "pages": 56,+ "sha256": "0a519514b4917848",+ "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"+ }+ },+ "variants": [+ {+ "mpn": "UC2843D8TRD",+ "kind": "packaging"+ },+ {+ "mpn": "UC2843D8TR",+ "kind": "packaging"+ },+ {+ "mpn": "UC2843D8TRDR",+ "kind": "packaging"+ },+ {+ "mpn": "UC2843D8TRN",+ "kind": "packaging"+ },+ {+ "mpn": "UC2843D8TRP",+ "kind": "packaging"+ },+ {+ "mpn": "UC2843D8TRJ",+ "kind": "packaging"+ },+ {+ "mpn": "UC2843D8TRJG",+ "kind": "packaging"+ },+ {+ "mpn": "UC2843D8TRD14",+ "kind": "packaging"+ },+ {+ "mpn": "UC2843D8TRDW",+ "kind": "packaging"+ },+ {+ "mpn": "UC2843D8TRW",+ "kind": "packaging"+ },+ {+ "mpn": "UC2843D8TRFK",+ "kind": "packaging"+ }+ ],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "uc2843d8tr"+ ],+ "discovery_pitch": "UC2843D8TR (Texas Instruments) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +184,5 @@ "docs/uc2843d8tr-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }