UCC28C59DR

{
  "slug": "ucc28c59dr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ucc28c59dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "README.md",
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    "ucc28c59dr.kicad_mod",
    "ucc28c59dr.glb",
    "ucc28c59dr.step",
    "ucc28c59dr.lbr",
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    "docs/ucc28c59dr-datasheet.pdf",
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  "component": {
    "mpn": "UCC28C59DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ucc28c59.pdf",
    "parts": {
      "symbol": "ucc28c59dr.kicad_sym",
      "footprint": "ucc28c59dr.kicad_mod",
      "model_3d": "ucc28c59dr-hero.glb",
      "model_3d_plain": "ucc28c59dr.glb",
      "model_3d_step": "ucc28c59dr-etched.step",
      "model_3d_step_plain": "ucc28c59dr.step",
      "lbr": "ucc28c59dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C6006070",
      "digikey": "296-UCC28C59DRTR-ND",
      "mouser": "595-UCC28C59DR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T03:16:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-UCC28C59DRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-UCC28C59DR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output for compensation with internal current limiting; user can externally force to GND to command zero duty cycle."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Inverting input to error amplifier for power converter voltage-feedback loop control; noninverting input internally trimmed to 2.5 V ± 1%."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Primary-side current sense input to PWM comparator noninverting input; accepts current sensing resistor connection or voltage ramp for current mode or slope compensation."
      },
      {
        "number": "4",
        "name": "RT/CT",
        "type": "bidirectional",
        "description": "Fixed frequency oscillator set point; connect timing resistor to VREF and timing capacitor to GND to set switching frequency; UCC28C59 fSW = fOSC/2 limits maximum duty cycle to < 50%."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin for output driver stage and logic level controller section."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "On-chip drive stage output for direct MOSFET driving with ±1 A peak sourcing and sinking current; UCC28C59 fSW = fOSC/2 limits maximum duty cycle to < 50%; actively held low when VDD below turn-on threshold."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Analog controller bias input with 30 V absolute maximum rating and 75 µA maximum startup current; requires 0.1 µF bypass capacitor and decoupling capacitance at least 10× MOSFET gate and VREF capacitance."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_out",
        "description": "5-V reference voltage output with ±1% accuracy providing charging current to oscillator timing capacitor; requires minimum 0.1 µF ceramic bypass capacitor to GND; no external voltage exceeding specified VREF allowed."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 13,
        "cost_usd": 0.1378,
        "at": "2026-10-03T03:15:58"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ucc28c59.pdf",
        "pages": 58,
        "sha256": "d9b2cab289f0aa82",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}