MP8859GQ-0000-Z

{
  "slug": "mp8859gq-0000-z",
  "version": "0.1.0",
  "type": "component",
  "description": "MPS Others, QFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "others",
    "mp8859gq-0000-z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mp8859gq-0000-z.kicad_sym",
    "mp8859gq-0000-z.kicad_mod",
    "mp8859gq-0000-z.glb",
    "mp8859gq-0000-z.step",
    "mp8859gq-0000-z.lbr",
    "docs/hero.png",
    "docs/mp8859gq-0000-z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mp8859gq-0000-z-hero.glb",
    "mp8859gq-0000-z-hero.overlay.json",
    "mp8859gq-0000-z-etched.glb"
  ],
  "component": {
    "mpn": "MP8859GQ-0000-Z",
    "manufacturer": "MPS",
    "package": "QFN-16(3x3)",
    "pin_count": 17,
    "category": "Others",
    "subcategory": "Others",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9feed784ebfda46d30a0e21e68cc0396.pdf",
    "parts": {
      "symbol": "mp8859gq-0000-z.kicad_sym",
      "footprint": "mp8859gq-0000-z.kicad_mod",
      "model_3d": "mp8859gq-0000-z-hero.glb",
      "model_3d_plain": "mp8859gq-0000-z-etched.glb",
      "model_3d_step": "mp8859gq-0000-z-etched.step",
      "model_3d_step_plain": "mp8859gq-0000-z.step",
      "lbr": "mp8859gq-0000-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C5439043",
      "digikey": "1589-MP8859GQ-0000-ZTR-ND",
      "mouser": "946-MP8859GQ-0000-Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:55:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1589-MP8859GQ-0000-ZTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "946-MP8859GQ-0000-Z",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "IN is the supply input for the chip and operates 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": "GND is the power ground and reference for the regulated output voltage, and requires copper traces and vias with extra care in PCB layout."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "EN is the on/off control for the entire chip, driven high to turn the chip on and low or floating to turn it off, with an internal 2MΩ pull-down to ground."
      },
      {
        "number": "4",
        "name": "ADD",
        "type": "input",
        "description": "ADD is the I2C slave address programming pin, set by a resistor divider from VCC to select one of four I2C slave addresses."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "SCL is the I2C clock pin and supports an I2C clock up to 3.4MHz."
      },
      {
        "number": "6",
        "name": "SDA",
        "type": "bidirectional",
        "description": "SDA is the data pin of the I2C interface."
      },
      {
        "number": "7",
        "name": "OC",
        "type": "passive",
        "description": "OC is the output constant-current limit set pin, configured by an external resistor."
      },
      {
        "number": "8",
        "name": "ALT",
        "type": "output",
        "description": "ALT is the alert output that is pulled to logic low to indicate a fault or warning has occurred."
      },
      {
        "number": "9",
        "name": "VCC",
        "type": "power_out",
        "description": "VCC is the internal 3.6V LDO regulator output and must be decoupled with a 1µF capacitor."
      },
      {
        "number": "10",
        "name": "AGND",
        "type": "power_in",
        "description": "AGND is the analog ground and must be connected to GND."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "GND is the power ground and reference for the regulated output voltage, and requires copper traces and vias with extra care in PCB layout."
      },
      {
        "number": "12",
        "name": "OUT",
        "type": "power_out",
        "description": "OUT is the output power pin, with the output capacitor placed close to OUT and GND."
      },
      {
        "number": "13",
        "name": "BST2",
        "type": "passive",
        "description": "BST2 is the bootstrap pin, connected through a 0.1µF capacitor to SW2 to form a floating supply for the high-side switch driver."
      },
      {
        "number": "14",
        "name": "SW2",
        "type": "passive",
        "description": "SW2 is the switching node of the second half bridge, with one end of the inductor connected to SW2."
      },
      {
        "number": "15",
        "name": "SW1",
        "type": "passive",
        "description": "SW1 is the switching node of the first half bridge, with one end of the inductor connected to SW1."
      },
      {
        "number": "16",
        "name": "BST1",
        "type": "passive",
        "description": "BST1 is the bootstrap pin, connected through a 0.1µF capacitor to SW1 to form a 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": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 9,
        "cost_usd": 0.0007,
        "at": "2026-10-27T00:55:22"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/9feed784ebfda46d30a0e21e68cc0396.pdf",
        "pages": 32,
        "sha256": "a88e314c593a29c2",
        "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": [
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        "file": "mp8859gq-0000-z.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.0,
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mp8859gq-0000-z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "3d52011273b8f3fab673afbe5fc74d1ee3fb05716fe2b4c0d8ee3ec2377a9d64",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}