MP8771GQ-Z

{
  "schema_version": 1,
  "type": "component",
  "slug": "mp8771gq-z",
  "title": "MP8771GQ-Z",
  "brief": "Monolithic Power Systems DC-DC Converters, QFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "mp8771gq-z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MP8771GQ-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "QFN-16(3x3)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/10beb404bdf8493cd1a93adf2c31d265.pdf",
    "parts": {
      "symbol": "mp8771gq-z.kicad_sym",
      "footprint": "mp8771gq-z.kicad_mod",
      "model_3d": "mp8771gq-z-hero.glb",
      "model_3d_plain": "mp8771gq-z-etched.glb",
      "model_3d_step": "mp8771gq-z-etched.step",
      "model_3d_step_plain": "mp8771gq-z.step",
      "lbr": "mp8771gq-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C3188146",
      "digikey": "1589-MP8771GQ-ZTR-ND",
      "mouser": "946-MP8771GQ-Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T22:19:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1589-MP8771GQ-ZTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "946-MP8771GQ-Z",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC must be left floating."
      },
      {
        "number": "2",
        "name": "BST",
        "type": "power_out",
        "description": "Bootstrap; connect a capacitor between SW and BST to form a floating high-side driver supply, with a BST resistor less than 4.7Ω recommended."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable; drive above 1.25V to enable the device and below 1V to disable it, with an internal 1.2MΩ pull-down when floating and support for an 18V input range."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback; connects to the tap of an external resistor divider between the output and GND to set the output voltage, with a reference of 600mV."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Signal ground; not connected to the system ground internally, so it must be connected to system ground in the PCB layout."
      },
      {
        "number": "6",
        "name": "SS",
        "type": "passive",
        "description": "Soft start; a capacitor across SS and GND sets the soft-start time, with SS capacitance below 4.7nF to be avoided."
      },
      {
        "number": "7",
        "name": "PG",
        "type": "output",
        "description": "Power good open-drain output that changes state on UVP, OCP, OTP or OV events."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage; the device operates from a 3V to 18V input rail and requires input decoupling."
      },
      {
        "number": "9",
        "name": "PGND",
        "type": "power_in",
        "description": "System ground and reference ground of the regulated output voltage; recommended to be connected to GND with copper and vias."
      },
      {
        "number": "10",
        "name": "PGND",
        "type": "power_in",
        "description": "System ground and reference ground of the regulated output voltage; recommended to be connected to GND with copper and vias."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "System ground and reference ground of the regulated output voltage; recommended to be connected to GND with copper and vias."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "System ground and reference ground of the regulated output voltage; recommended to be connected to GND with copper and vias."
      },
      {
        "number": "13",
        "name": "PGND",
        "type": "power_in",
        "description": "System ground and reference ground of the regulated output voltage; recommended to be connected to GND with copper and vias."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal bias supply output; decouple with a 1µF capacitor placed close to VCC and GND."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC must be left floating."
      },
      {
        "number": "16",
        "name": "SW",
        "type": "output",
        "description": "Switch output; connect with a wide PCB trace."
      },
      {
        "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": 24,
        "cost_usd": 0.0014,
        "at": "2026-10-26T22:19:18"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/10beb404bdf8493cd1a93adf2c31d265.pdf",
        "pages": 24,
        "sha256": "a8dfd67779be9cd1",
        "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": "mp8771gq-z.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3,
          0.785
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mp8771gq-z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3,
          0.785
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "03f50389e2bdf48846a3ceb3caca1127f1276816b4cfc8c4b9f4c011f21e4fd5",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Monolithic Power Systems",
      "Package": "QFN-16(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a8dfd67779be9cd100f1bdf564e76da6a8962552a142ee388b5e7d6ac2a4daca",
      "rows": [
        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "Fs",
          "kind": "electrical",
          "unit": "kHz",
          "min": 600,
          "typ": 700,
          "max": 800,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current (quiescent)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 100,
          "max": 150,
          "conditions": "VEN = 2V, VFB = 0.65V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Valley current limit",
          "symbol": "ILIMIT_VY",
          "kind": "electrical",
          "unit": "A",
          "min": 10,
          "typ": 12,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Soft-start current",
          "symbol": "ISS_START",
          "kind": "electrical",
          "unit": "µA",
          "min": 4,
          "typ": 6,
          "max": 8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN rising threshold",
          "symbol": "VEN RISING",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": 1.25,
          "max": 1.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN falling threshold",
          "symbol": "VEN FALLING",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": 1,
          "max": 1.1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC under-voltage lockout threshold rising",
          "symbol": "VCCVth",
          "kind": "electrical",
          "unit": "V",
          "min": 2.6,
          "typ": 2.8,
          "max": 3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "mV",
          "min": 594,
          "typ": 600,
          "max": 606,
          "conditions": "TJ = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "mV",
          "min": 591,
          "typ": 600,
          "max": 609,
          "conditions": "TJ = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": 50,
          "conditions": "VFB = 700mV",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power good UV rising threshold",
          "symbol": "PGUVvth_Hi",
          "kind": "electrical",
          "unit": "VFB",
          "min": 0.85,
          "typ": 0.9,
          "max": 0.95,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power good UV falling threshold",
          "symbol": "PGUVvth_Lo",
          "kind": "electrical",
          "unit": "VFB",
          "min": 0.75,
          "typ": 0.8,
          "max": 0.85,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power good OV rising threshold",
          "symbol": "PGOVvth_Hi",
          "kind": "electrical",
          "unit": "VFB",
          "min": 1.15,
          "typ": 1.2,
          "max": 1.25,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power good OV falling threshold",
          "symbol": "PGOVvth_Lo",
          "kind": "electrical",
          "unit": "VFB",
          "min": 1.05,
          "typ": 1.1,
          "max": 1.15,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power good sink current capability",
          "symbol": "VPG Sink",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "4mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switch leakage",
          "symbol": "SWLKG",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEN = 0V, VSW = 18V, TJ = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Absolute maximum VIN",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Absolute maximum switch node voltage",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-5V (<10ns) to VIN + 0.7V (23V <10ns)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Absolute maximum all other pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 4,
          "conditions": "All other pins",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Continuous power dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 3.2,
          "conditions": "TA = +25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Human-body model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "HBM",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Charged-device model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "CDM",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.6,
          "typ": null,
          "max": 12,
          "conditions": "VIN * DMAX or 12V max",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply current (shutdown)",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VEN = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "HS switch-on resistance",
          "symbol": "HSRDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 17,
          "max": null,
          "conditions": "VBST-SW = 3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LS switch-on resistance",
          "symbol": "LSRDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "VCC = 3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short hiccup duty cycle",
          "symbol": "DHICCUP",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ZCD current",
          "symbol": "IZCD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum on time",
          "symbol": "TOn MIN",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum off time",
          "symbol": "TOff MIN",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN pull-down resistor",
          "symbol": "REN_PD",
          "kind": "electrical",
          "unit": "MΩ",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC under-voltage lockout threshold hysteresis",
          "symbol": "VCCHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 350,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC regulator",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.4,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC load regulation",
          "symbol": "RegVCC",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "ICC = 5mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power good delay",
          "symbol": "PGTd",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "Both edge",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power good leakage current",
          "symbol": "IPG_LEAK",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VPG = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal hysteresis",
          "symbol": "TSD-HYS",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-to-ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 38,
          "max": null,
          "conditions": "EV8771-Q-00A, 4-layer PCB",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-to-ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "JESD51-7",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-to-case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "EV8771-Q-00A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-to-case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "JESD51-7",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mp8771gq-z"
  ],
  "discovery_pitch": "MP8771GQ-Z (Monolithic Power Systems) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mp8771gq-z.kicad_sym",
    "mp8771gq-z.kicad_mod",
    "mp8771gq-z.glb",
    "mp8771gq-z.step",
    "mp8771gq-z.lbr",
    "docs/hero.png",
    "docs/mp8771gq-z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mp8771gq-z-hero.glb",
    "mp8771gq-z-hero.overlay.json",
    "mp8771gq-z-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}