LP873364RHDR

{
  "slug": "lp873364rhdr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, VQFN-28(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lp873364rhdr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lp873364rhdr.kicad_sym",
    "lp873364rhdr.kicad_mod",
    "lp873364rhdr.glb",
    "lp873364rhdr.step",
    "lp873364rhdr.lbr",
    "docs/hero.png",
    "docs/lp873364rhdr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lp873364rhdr-hero.glb",
    "lp873364rhdr-hero.overlay.json"
  ],
  "component": {
    "mpn": "LP873364RHDR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-28(5x5)",
    "pin_count": 29,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lp8733",
    "parts": {
      "symbol": "lp873364rhdr.kicad_sym",
      "footprint": "lp873364rhdr.kicad_mod",
      "model_3d": "lp873364rhdr-hero.glb",
      "model_3d_plain": "lp873364rhdr.glb",
      "model_3d_step": "lp873364rhdr-etched.step",
      "model_3d_step_plain": "lp873364rhdr.step",
      "lbr": "lp873364rhdr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3188958",
      "digikey": "296-LP873364RHDRTR-ND",
      "mouser": "595-LP873364RHDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T18:03:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LP873364RHDRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LP873364RHDR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT_LDO0",
        "type": "power_out",
        "description": "LDO0 regulator output; leave the pin floating if LDO0 is not used."
      },
      {
        "number": "2",
        "name": "FB_B0",
        "type": "input",
        "description": "Positive output-voltage feedback sense input for Buck 0."
      },
      {
        "number": "3",
        "name": "FB_B1",
        "type": "input",
        "description": "Positive output-voltage feedback for Buck 1 in two single-phase configuration, and negative output-ground feedback for Buck 0 in dual-phase configuration."
      },
      {
        "number": "4",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "5",
        "name": "VANA",
        "type": "power_in",
        "description": "Supply voltage for analog and digital blocks; must be connected to the same node as VIN_Bx."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Programmable enable input for the regulators and GPOs; leave floating if not used."
      },
      {
        "number": "7",
        "name": "VOUT_LDO1",
        "type": "power_out",
        "description": "LDO1 regulator output; leave the pin floating if LDO1 is not used."
      },
      {
        "number": "8",
        "name": "VIN_LDO1",
        "type": "power_in",
        "description": "Power input for LDO1; connect to VANA if LDO1 is not used."
      },
      {
        "number": "9",
        "name": "nINT",
        "type": "output",
        "description": "Open-drain interrupt output, active LOW; connect to ground if not used."
      },
      {
        "number": "10",
        "name": "CLKIN",
        "type": "bidirectional",
        "description": "External clock input, with alternative function GPO2 general-purpose digital output selected by CLKIN_PIN_SEL; leave floating if not used."
      },
      {
        "number": "11",
        "name": "VIN_B1",
        "type": "power_in",
        "description": "Power input for Buck 1; VIN_Bx pins are not connected internally and must be tied together externally and locally bypassed."
      },
      {
        "number": "12",
        "name": "VIN_B1",
        "type": "power_in",
        "description": "Power input for Buck 1; VIN_Bx pins are not connected internally and must be tied together externally and locally bypassed."
      },
      {
        "number": "13",
        "name": "SW_B1",
        "type": "power_out",
        "description": "Buck 1 switch node; leave floating if Buck 1 is not used."
      },
      {
        "number": "14",
        "name": "SW_B1",
        "type": "power_out",
        "description": "Buck 1 switch node; leave floating if Buck 1 is not used."
      },
      {
        "number": "15",
        "name": "PGND_B1",
        "type": "power_in",
        "description": "Power ground for Buck 1."
      },
      {
        "number": "16",
        "name": "PGND_B1",
        "type": "power_in",
        "description": "Power ground for Buck 1."
      },
      {
        "number": "17",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial interface clock input; connect a pull-up resistor, or connect to ground if the I2C interface is not used."
      },
      {
        "number": "18",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial interface data input and output; connect a pull-up resistor, or connect to ground if the I2C interface is not used."
      },
      {
        "number": "19",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground."
      },
      {
        "number": "20",
        "name": "PGND_B0",
        "type": "power_in",
        "description": "Power ground for Buck 0."
      },
      {
        "number": "21",
        "name": "PGND_B0",
        "type": "power_in",
        "description": "Power ground for Buck 0."
      },
      {
        "number": "22",
        "name": "SW_B0",
        "type": "power_out",
        "description": "Buck 0 switch node; leave floating if Buck 0 is not used."
      },
      {
        "number": "23",
        "name": "SW_B0",
        "type": "power_out",
        "description": "Buck 0 switch node; leave floating if Buck 0 is not used."
      },
      {
        "number": "24",
        "name": "VIN_B0",
        "type": "power_in",
        "description": "Power input for Buck 0; VIN_Bx pins are not connected internally and must be tied together externally and locally bypassed."
      },
      {
        "number": "25",
        "name": "VIN_B0",
        "type": "power_in",
        "description": "Power input for Buck 0; VIN_Bx pins are not connected internally and must be tied together externally and locally bypassed."
      },
      {
        "number": "26",
        "name": "GPO",
        "type": "output",
        "description": "General-purpose digital output; leave floating if not used."
      },
      {
        "number": "27",
        "name": "PGOOD",
        "type": "output",
        "description": "Power-good indication output; leave floating if not used."
      },
      {
        "number": "28",
        "name": "VIN_LDO0",
        "type": "power_in",
        "description": "Power input for LDO0; connect to VANA if LDO0 is not used."
      },
      {
        "number": "29",
        "name": "THERMAL PAD",
        "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 thermal pad is an unnumbered exposed pad (not a pin number). It is omitted from the pins array; ; The datasheet gives the pinout once for the RHD 28-pin VQFN and the addendum lists LP873364RHDR in t; Pin type for CLKIN (pin 10) is taken from the datasheet's D/I/O designation and mapped to KiCad bidi",
          "exposed pad 29 added from the footprint"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0967,
        "at": "2026-10-08T18:03:19"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lp8733",
        "pages": 85,
        "sha256": "889456548ab095e4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 29,
        "described": 29,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lp873364rhdr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e9d6d740f505b03e5aa0ac826330f9e269344b84656d051f50eb07ac162749eb",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp873364rhdr-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": "6e0fb98193604fdee249c39225a097dbcb8d118244325c919666bdc51f5fd4e2",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}