UCD8220QPWPRQ1

{
  "slug": "ucd8220qpwprq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Controllers, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "ucd8220qpwprq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucd8220qpwprq1.kicad_sym",
    "ucd8220qpwprq1.kicad_mod",
    "ucd8220qpwprq1.glb",
    "ucd8220qpwprq1.step",
    "ucd8220qpwprq1.lbr",
    "docs/hero.png",
    "docs/ucd8220qpwprq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucd8220qpwprq1-hero.glb",
    "ucd8220qpwprq1-hero.overlay.json"
  ],
  "component": {
    "mpn": "UCD8220QPWPRQ1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Controllers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucd8220-q1",
    "parts": {
      "symbol": "ucd8220qpwprq1.kicad_sym",
      "footprint": "ucd8220qpwprq1.kicad_mod",
      "model_3d": "ucd8220qpwprq1-hero.glb",
      "model_3d_plain": "ucd8220qpwprq1.glb",
      "model_3d_step": "ucd8220qpwprq1-etched.step",
      "model_3d_step_plain": "ucd8220qpwprq1.step",
      "lbr": "ucd8220qpwprq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2658048",
      "digikey": "296-52206-2-ND",
      "mouser": "595-UCD8220QPWPRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:02:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-52206-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UCD8220QPWPRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "2",
        "name": "CLK",
        "type": "input",
        "description": "Clock input carrying the operating frequency and maximum duty-cycle limit; a high-impedance digital input accepting 3.3-V logic signals up to 2 MHz with an internal Schmitt trigger."
      },
      {
        "number": "3",
        "name": "3V3",
        "type": "power_out",
        "description": "Regulated 3.3-V rail from the onboard linear regulator, capable of sourcing up to 10 mA, with a 0.22-μF ceramic capacitor to analog ground."
      },
      {
        "number": "4",
        "name": "ISET",
        "type": "input",
        "description": "Programs the current that sets the slope compensation in peak current-mode control or the internal capacitor charging in voltage-mode control."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground return for the control circuitry, to which the VDD bypass capacitor returns."
      },
      {
        "number": "6",
        "name": "CTRL",
        "type": "input",
        "description": "Error feedback voltage input from the external error amplifier, multiplied by 0.5 and routed to the negative input of the PWM comparator."
      },
      {
        "number": "7",
        "name": "CLF",
        "type": "output",
        "description": "Current-limit flag that goes high when CS exceeds ILIM minus 25 mV, forcing the output driver low, and stays latched high until the next rising edge on CLK; also used for start-up handshaking."
      },
      {
        "number": "8",
        "name": "ILIM",
        "type": "input",
        "description": "Current-limit threshold set pin, settable from 0.25 V to 1 V, with a default of 0.5 V when left open."
      },
      {
        "number": "9",
        "name": "CS",
        "type": "input",
        "description": "Current-sense input to a fast current-limit comparator that provides cycle-by-cycle current limiting to protect the power stage."
      },
      {
        "number": "10",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground return, to be connected close to the source of the power MOSFET."
      },
      {
        "number": "11",
        "name": "OUT2",
        "type": "output",
        "description": "High-current TrueDrive integrated-circuit driver output rated for ±4 A gate current."
      },
      {
        "number": "12",
        "name": "OUT1",
        "type": "output",
        "description": "High-current TrueDrive integrated-circuit driver output rated for ±4 A gate current."
      },
      {
        "number": "13",
        "name": "PVDD",
        "type": "power_in",
        "description": "Supply for the output drivers, not connected internally to VDD, with its bypass capacitor returned to PGND; recommended supply range 4.5 V to 15.5 V."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input for the control circuitry, recommended 4.5 V to 15.5 V, to be bypassed with at least 4.7 μF returned to AGND."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The HTSSOP PowerPAD exposed thermal pad is not given a pin number in the pin table, so it is not lis; Pin types were mapped to KiCad ERC classes. The datasheet labels 3V3 as O and VDD as I; these were r; The 16-pin layout was taken from the page 3 top-view graphic. Pin numbers were cross-checked against",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0593,
        "at": "2026-10-08T20:01:38"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucd8220-q1",
        "pages": 33,
        "sha256": "395d49e6716ba2ce",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "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": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucd8220qpwprq1-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,
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        "sha256": "ae781256b3ac1d2b81a79460084cac64ce6ca63e033b8ac7066101f454c97048",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}