UC2863DW

{
  "slug": "uc2863dw",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "uc2863dw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "uc2863dw.kicad_sym",
    "uc2863dw.kicad_mod",
    "uc2863dw.glb",
    "uc2863dw.step",
    "uc2863dw.lbr",
    "docs/hero.png",
    "docs/uc2863dw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "uc2863dw-hero.glb",
    "uc2863dw-hero.overlay.json"
  ],
  "component": {
    "mpn": "UC2863DW",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/uc1863",
    "parts": {
      "symbol": "uc2863dw.kicad_sym",
      "footprint": "uc2863dw.kicad_mod",
      "model_3d": "uc2863dw-hero.glb",
      "model_3d_plain": "uc2863dw.glb",
      "model_3d_step": "uc2863dw-etched.step",
      "model_3d_step_plain": "uc2863dw.step",
      "lbr": "uc2863dw.lbr"
    },
    "distributor_links": {
      "lcsc": "C1530291",
      "digikey": "2156-UC2863DW-ND",
      "mouser": "595-UC2863DW"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:46:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-UC2863DW-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UC2863DW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "5V",
        "type": "power_out",
        "description": "Output of the internal 5V generator, enabled once Vcc exceeds the UVLO threshold, supplying up to 10mA external use and to be bypassed to signal ground with a 0.1µF low-ESR capacitor."
      },
      {
        "number": "2",
        "name": "NI",
        "type": "input",
        "description": "Non-inverting input of the error amplifier (absolute maximum -0.4 to 7V)."
      },
      {
        "number": "3",
        "name": "INV",
        "type": "input",
        "description": "Inverting input of the error amplifier (absolute maximum -0.4 to 7V)."
      },
      {
        "number": "4",
        "name": "E/A Out",
        "type": "output",
        "description": "Error amplifier output that drives the VCO, with output current limited to ±2mA."
      },
      {
        "number": "5",
        "name": "Sig Gnd",
        "type": "power_in",
        "description": "Signal ground reference for all voltages, to which the 5V pin is bypassed."
      },
      {
        "number": "6",
        "name": "Range",
        "type": "passive",
        "description": "VCO programming pin that sets the maximum frequency range (7.15k used in test conditions)."
      },
      {
        "number": "7",
        "name": "Rmin",
        "type": "passive",
        "description": "VCO programming resistor pin that sets the minimum frequency (86.6k used in test conditions)."
      },
      {
        "number": "8",
        "name": "Cvco",
        "type": "passive",
        "description": "VCO timing capacitor pin (1nF used in test conditions), with VCO frequency programmable from 10kHz to 1MHz."
      },
      {
        "number": "9",
        "name": "RC",
        "type": "passive",
        "description": "One-shot timing resistor/capacitor pin that sets the programmed maximum pulse width."
      },
      {
        "number": "10",
        "name": "Zero",
        "type": "input",
        "description": "Zero detection comparator input with 0.5V threshold that modulates the one-shot pulse width (absolute maximum -0.4 to 7V)."
      },
      {
        "number": "11",
        "name": "A Out",
        "type": "output",
        "description": "Totem-pole output driver A with 1A peak, source or sink limited to 0.5A."
      },
      {
        "number": "12",
        "name": "Pwr Gnd",
        "type": "power_in",
        "description": "Power ground for the output drivers, limited to ±0.2V relative to signal ground."
      },
      {
        "number": "13",
        "name": "Vcc",
        "type": "power_in",
        "description": "Supply input with absolute maximum 22V; UVLO turn-on 8V and turn-off 7V typical for the UC2863."
      },
      {
        "number": "14",
        "name": "B Out",
        "type": "output",
        "description": "Totem-pole output driver B with 1A peak, source or sink limited to 0.5A, alternating with A Out on the UC2863."
      },
      {
        "number": "15",
        "name": "Fault",
        "type": "input",
        "description": "Fault comparator input with 3V threshold that sets the fault latch and forces outputs low (absolute maximum -0.4 to 7V), usable as system shutdown."
      },
      {
        "number": "16",
        "name": "Soft-Ref",
        "type": "bidirectional",
        "description": "Provides soft start, restart delay and system reference for the error amplifier, sources or sinks 200µA and needs at least 0.1µF bypass."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet has no pin-description table. Descriptions for Range, Rmin, Cvco and RC are inferred f",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.4094,
        "at": "2026-10-08T20:45:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/uc1863",
        "pages": 15,
        "sha256": "2845c691dbe732c6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "uc2863dw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "uc2863dw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "52fed4b58dc91da4d49f8e4ba3273ace3344a50a2977d3aeaf775802cc9382d8",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}