MPQ4570GF-Z

{
  "schema_version": 1,
  "type": "component",
  "slug": "mpq4570gf-z",
  "title": "MPQ4570GF-Z",
  "brief": "Monolithic Power Systems DC-DC Converters, TSSOP-20. 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)",
    "mpq4570gf-z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MPQ4570GF-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600772674670895104",
    "parts": {
      "symbol": "mpq4570gf-z.kicad_sym",
      "footprint": "mpq4570gf-z.kicad_mod",
      "model_3d": "mpq4570gf-z-hero.glb",
      "model_3d_plain": "mpq4570gf-z-etched.glb",
      "model_3d_step": "mpq4570gf-z-etched.step",
      "model_3d_step_plain": "mpq4570gf-z.step",
      "lbr": "mpq4570gf-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C6674681",
      "digikey": "MPQ4570GF-Z-ND",
      "mouser": "946-MPQ4570GF-Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T02:12:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MPQ4570GF-Z-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "946-MPQ4570GF-Z",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation network node, the output of the internal error amplifier; connect a series resistor and capacitor between this pin and GND to set loop compensation."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the PWM comparator; an external resistive divider from the output to GND sets VOUT, with VFB of 0.98V to 1.02V (1V typical)."
      },
      {
        "number": "3",
        "name": "FREQ",
        "type": "input",
        "description": "Switching frequency setting pin; a resistor to GND sets fSW (for example 102kΩ gives 500kHz), and an external SYNC clock applied here makes the converter follow it (high level above 1.5V, low level below 1V, 100kHz to 1MHz recommended)."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable input that turns the regulator on above 1.6V (rising) and off below 1.3V (falling); it has no internal pull-up or pull-down so it must not be left floating, and sink current into EN must be kept below 150µA."
      },
      {
        "number": "5",
        "name": "BST",
        "type": "power_out",
        "description": "Bootstrap supply for the internal floating high-side MOSFET driver; connect a 0.1µF capacitor between this pin and SW."
      },
      {
        "number": "6",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, 4.5V to 55V, powering the internal control circuitry and VDD regulator; place a decoupling capacitor to GND close to this pin."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, 4.5V to 55V, powering the internal control circuitry and VDD regulator; place a decoupling capacitor to GND close to this pin."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, 4.5V to 55V, powering the internal control circuitry and VDD regulator; place a decoupling capacitor to GND close to this pin."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; float this pin in the application."
      },
      {
        "number": "10",
        "name": "SW",
        "type": "output",
        "description": "Switch node, the output from the internal high-side MOSFET source to the inductor; the datasheet limits VSW to -0.5V to (VIN + 0.5V) as an absolute maximum."
      },
      {
        "number": "11",
        "name": "SW",
        "type": "output",
        "description": "Switch node, the output from the internal high-side MOSFET source to the inductor; the datasheet limits VSW to -0.5V to (VIN + 0.5V) as an absolute maximum."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; float this pin in the application."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for the internal power MOSFETs; connect to a large ground plane."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for the internal power MOSFETs; connect to a large ground plane."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for the internal power MOSFETs; connect to a large ground plane."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_out",
        "description": "Output of the VDD regulator that powers the internal MOSFET driver and BST charging, regulated at 3.6V (BIAS floating) or 4.8V (BIAS at or above 5.4V); a 1µF decoupling capacitor is needed close to the pin."
      },
      {
        "number": "17",
        "name": "BIAS",
        "type": "input",
        "description": "Optional external supply input, recommended 3.3V to 5.5V, that powers the internal circuits for better efficiency; float or connect to GND if not used."
      },
      {
        "number": "18",
        "name": "PG",
        "type": "output",
        "description": "Power-good open-drain output that must be pulled up through a resistor to an external source; it is released high after FB reaches 90% of REF and pulled low when FB falls to 85% of REF."
      },
      {
        "number": "19",
        "name": "SS",
        "type": "passive",
        "description": "Optional soft-start pin; a capacitor to GND sets the soft-start time, and leaving the pin floating activates the internal 0.5ms soft start."
      },
      {
        "number": "20",
        "name": "AGND",
        "type": "power_in",
        "description": "Ground for the internal logic and signal circuits."
      }
    ],
    "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 exposed pad is not given a pin number in the datasheet; it is listed in the pin table with GND (; The pin 20 description in the PIN FUNCTIONS table is misprinted as 'ANGD'; the pin name is taken as ; Pin types for BIAS (input), SS (passive), COMP (passive) and BST (power_out) are inferred from the f",
          "1/20 pins cited to the wrong page (name found elsewhere): ['20:AGND@p7']"
        ],
        "pages_sent": 22,
        "cost_usd": 0.0959,
        "at": "2026-10-21T02:08:48"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600772674670895104",
        "pages": 22,
        "sha256": "369a892b51791906",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "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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          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mpq4570gf-z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5100f92f117b1824f1d7b1ca4bb6e336ff6814a130c2bc1fc05207caa33a1a3b",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Monolithic Power Systems",
      "Package": "TSSOP-20",
      "Category": "Power Management (PMIC)",
      "Pins": "20"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mpq4570gf-z"
  ],
  "discovery_pitch": "MPQ4570GF-Z (Monolithic Power Systems) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "mpq4570gf-z.step",
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    "docs/mpq4570gf-z-datasheet.pdf",
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    "mpq4570gf-z-etched.glb"
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  "visibility": {
    "public": true
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}