UC2844G-S08-R

{
  "slug": "uc2844g-s08-r",
  "version": "0.1.0",
  "type": "component",
  "description": "UTC(Unisonic Tech) DC-DC Controllers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "uc2844g-s08-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "uc2844g-s08-r.kicad_mod",
    "uc2844g-s08-r.glb",
    "uc2844g-s08-r.step",
    "uc2844g-s08-r.lbr",
    "docs/hero.png",
    "docs/uc2844g-s08-r-datasheet.pdf",
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    "viewers/footprint.html",
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    "uc2844g-s08-r-hero.overlay.json",
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  "component": {
    "mpn": "UC2844G-S08-R",
    "manufacturer": "UTC(Unisonic Tech)",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Controllers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/82d646082b5b271b20a836479dafe09d.pdf",
    "parts": {
      "symbol": "uc2844g-s08-r.kicad_sym",
      "footprint": "uc2844g-s08-r.kicad_mod",
      "model_3d": "uc2844g-s08-r-hero.glb",
      "model_3d_plain": "uc2844g-s08-r-etched.glb",
      "model_3d_step": "uc2844g-s08-r-etched.step",
      "model_3d_step_plain": "uc2844g-s08-r.step",
      "lbr": "uc2844g-s08-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C2978928"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T08:28:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Compensation",
        "type": "output",
        "description": "Error amplifier output, made available for loop compensation."
      },
      {
        "number": "2",
        "name": "VFB",
        "type": "input",
        "description": "Voltage feedback, the inverting input of the error amplifier, normally connected to the supply output through a resistor divider (max input -0.3 to +5.5 V)."
      },
      {
        "number": "3",
        "name": "ISENSE",
        "type": "input",
        "description": "Current sense input receiving a voltage proportional to inductor current, used by the PWM to terminate output switch conduction (max input -0.3 to +5.5 V)."
      },
      {
        "number": "4",
        "name": "RT/CT",
        "type": "passive",
        "description": "Oscillator frequency and maximum output duty cycle are programmed by connecting resistor RT to Vref and capacitor CT to ground."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "6",
        "name": "Output",
        "type": "output",
        "description": "Directly drives the gate of a power MOSFET, sourcing and sinking peak currents up to 1 A, switching at one-half the oscillator frequency."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply (UC2844 UVLO thresholds 16 V on and 10 V off)."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_out",
        "description": "5.0 V reference output that provides charging current for capacitor CT through resistor RT."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
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        "at": "2026-11-06T08:28:38"
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        "pages": 7,
        "sha256": "ad43141a5676bb47",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "zmin_mm": -0.0,
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        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-11-06",
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        "sha256": "9ae1aa9bfaa836e2cd01a726f86c991a722f953d28689ed9f40406031f3ce9bc",
        "checked": "2026-11-06",
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}