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Ray Publish 0.1.0 27ad0a7 9d ago
{
  "slug": "mp28167gq-a-z",
  "version": "0.1.0",
  "type": "component",
  "description": "Monolithic Power Systems DC-DC Converters, QFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "mp28167gq-a-z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mp28167gq-a-z.kicad_sym",
    "mp28167gq-a-z.kicad_mod",
    "mp28167gq-a-z.glb",
    "mp28167gq-a-z.step",
    "mp28167gq-a-z.lbr",
    "docs/hero.png",
    "docs/mp28167gq-a-z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mp28167gq-a-z-hero.glb",
    "mp28167gq-a-z-hero.overlay.json",
    "mp28167gq-a-z-etched.glb"
  ],
  "component": {
    "mpn": "MP28167GQ-A-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "QFN-16(3x3)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838704387645440",
    "parts": {
      "symbol": "mp28167gq-a-z.kicad_sym",
      "footprint": "mp28167gq-a-z.kicad_mod",
      "model_3d": "mp28167gq-a-z-hero.glb",
      "model_3d_plain": "mp28167gq-a-z-etched.glb",
      "model_3d_step": "mp28167gq-a-z-etched.step",
      "model_3d_step_plain": "mp28167gq-a-z.step",
      "lbr": "mp28167gq-a-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C3188179",
      "digikey": "1589-MP28167GQ-A-ZTR-ND",
      "mouser": "946-MP28167GQ-A-Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T05:59:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1589-MP28167GQ-A-ZTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "946-MP28167GQ-A-Z",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Supply voltage input for the internal power device and the entire chip, operating from 2.8V to 22V, with a capacitor CIN placed as close to the IC as possible to limit voltage spikes."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground and reference ground for the regulated output, requiring extra PCB layout care with copper traces and vias."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "On/off control for the entire chip: drive high to turn on, drive low or float to turn off, with an internal 2MΩ pull-down to ground."
      },
      {
        "number": "4",
        "name": "ALT",
        "type": "output",
        "description": "Alert output that pulls to logic low when a fault or warning has occurred."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "I2C clock pin supporting clock frequencies up to 3.4MHz; pull up to VCC if not used."
      },
      {
        "number": "6",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data pin; pull up to VCC if not used."
      },
      {
        "number": "7",
        "name": "OC",
        "type": "input",
        "description": "Output constant-current limit set pin."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin that sets the output voltage when connected to the tap of an external resistor divider between output and GND."
      },
      {
        "number": "9",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 3.65V LDO regulator output that must be decoupled with a 1µF capacitor."
      },
      {
        "number": "10",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground that must be connected to GND."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground and reference ground for the regulated output, requiring extra PCB layout care with copper traces and vias."
      },
      {
        "number": "12",
        "name": "OUT",
        "type": "power_out",
        "description": "Output power pin; the output capacitor must be placed close to OUT and GND."
      },
      {
        "number": "13",
        "name": "BST2",
        "type": "passive",
        "description": "Bootstrap pin; a 0.1µF capacitor connected between SW2 and BST2 forms the floating supply for the high-side switch driver."
      },
      {
        "number": "14",
        "name": "SW2",
        "type": "passive",
        "description": "Switching node of the second half bridge; one end of the inductor connects to SW2 to carry the bridge current."
      },
      {
        "number": "15",
        "name": "SW1",
        "type": "passive",
        "description": "Switching node of the first half bridge; one end of the inductor connects to SW1 to carry the bridge current."
      },
      {
        "number": "16",
        "name": "BST1",
        "type": "passive",
        "description": "Bootstrap pin; a 0.1µF capacitor connected between SW1 and BST1 forms the floating supply for the high-side switch driver."
      },
      {
        "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 datasheet only says OC is the output constant-current limit set pin; no electrical limits are gi; Pin types for OUT, BST and SW pins were chosen from their function (power output / bootstrap / switc; The page 4 top-view drawing that gives the physical pin positions is not in the extracted text, so t",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0443,
        "at": "2026-10-19T05:57:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838704387645440",
        "pages": 32,
        "sha256": "a6258b8fbdb1f771",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mp28167gq-a-z.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mp28167gq-a-z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0572d61129a76efd097612c7a5d0a46c0aed0b41c12406cffefb5fdeaf437280",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}