MP4570GF-Z

{
  "schema_version": 1,
  "type": "component",
  "slug": "mp4570gf-z",
  "title": "MP4570GF-Z",
  "brief": "Monolithic Power Systems Global Sourcing Parts, TSSOP-20-EP. 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",
    "global sourcing parts",
    "mp4570gf-z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MP4570GF-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "TSSOP-20-EP",
    "pin_count": 21,
    "category": "Global Sourcing Parts",
    "subcategory": "Global Sourcing Parts",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586192736239804416",
    "parts": {
      "symbol": "mp4570gf-z.kicad_sym",
      "footprint": "mp4570gf-z.kicad_mod",
      "model_3d": "mp4570gf-z-hero.glb",
      "model_3d_plain": "mp4570gf-z-etched.glb",
      "model_3d_step": "mp4570gf-z-etched.step",
      "model_3d_step_plain": "mp4570gf-z.step",
      "lbr": "mp4570gf-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C86311",
      "digikey": "1589-1681-2-ND",
      "mouser": "946-MP4570GF-Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T00:40:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1589-1681-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "946-MP4570GF-Z",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation network setting: connect an external resistor in series with a capacitor between this pin and GND."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the PWM comparator; connect an external resistive divider between the output and GND (VFB is 1V nominal, 0.98V to 1.02V)."
      },
      {
        "number": "3",
        "name": "FREQ",
        "type": "input",
        "description": "Switching frequency setting pin: a resistor from this pin to GND sets fSW, and an external SYNC clock applied here (HIGH above 1.5V, LOW below 1V, 100kHz to 1MHz recommended) makes the converter follow it."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable input: drive above 1.6V to turn the regulator on and below 1.3V to turn it off; there is no internal pull-up or pull-down, so the pin must not be left floating."
      },
      {
        "number": "5",
        "name": "BST",
        "type": "power_out",
        "description": "Bootstrap pin for the internal floating high-side MOSFET driver; connect a bootstrap capacitor (0.1µF typical) between this pin and SW."
      },
      {
        "number": "6",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for the internal control circuitry and VDD regulator; place a decoupling capacitor to ground close to this pin, with a recommended supply range of 4.5V to 55V."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for the internal control circuitry and VDD regulator; place a decoupling capacitor to ground close to this pin, with a recommended supply range of 4.5V to 55V."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for the internal control circuitry and VDD regulator; place a decoupling capacitor to ground close to this pin, with a recommended supply range of 4.5V to 55V."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; float this pin in the application."
      },
      {
        "number": "10",
        "name": "SW",
        "type": "power_out",
        "description": "Switch node, the output node from the internal high-side MOSFET source; absolute maximum VSW is -0.5V to (VIN+0.5V)."
      },
      {
        "number": "11",
        "name": "SW",
        "type": "power_out",
        "description": "Switch node, the output node from the internal high-side MOSFET source; absolute maximum VSW is -0.5V to (VIN+0.5V)."
      },
      {
        "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 pin for the internal power MOSFETs; connect to a large copper ground area for thermal performance."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for the internal power MOSFETs; connect to a large copper ground area for thermal performance."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for the internal power MOSFETs; connect to a large copper ground area for thermal performance."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_out",
        "description": "Power output for the internal MOSFET driver and BST charging circuit, regulated at 3.6V with BIAS floating and 4.8V with BIAS above 5.4V; a 1µF decoupling capacitor is needed close to the pin."
      },
      {
        "number": "17",
        "name": "BIAS",
        "type": "power_in",
        "description": "Optional external 5V supply input that powers the internal circuitry when used, recommended in the 3.3V to 5.5V range; float or connect to GND if not used."
      },
      {
        "number": "18",
        "name": "PG",
        "type": "output",
        "description": "Power good open-drain output indicating normal operation after soft start; connect a resistor to a pull-up source (e.g., 100kΩ) if used."
      },
      {
        "number": "19",
        "name": "SS",
        "type": "passive",
        "description": "Optional external soft-start setting: connect a capacitor between this pin and GND to set soft-start time, or float the pin to activate the internal 0.5ms soft-start."
      },
      {
        "number": "20",
        "name": "AGND",
        "type": "power_in",
        "description": "Ground for the internal logic and signal circuits."
      },
      {
        "number": "21",
        "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 exposed pad of the TSSOP-20 EP package is listed on page 7 as part of the GND group (with pins 1; Pin 20 is printed as 'ANGD' in the pin function table on page 7; it is recorded here as AGND, which ; Pins 6, 7, 8, 13, 14, 15, 10 and 11 are grouped in the datasheet text; each pin number is listed sep",
          "exposed pad 21 added from the footprint",
          "1/21 pins cited to the wrong page (name found elsewhere): ['20:AGND@p7']"
        ],
        "pages_sent": 22,
        "cost_usd": 0.1,
        "at": "2026-10-21T00:34:27"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586192736239804416",
        "pages": 22,
        "sha256": "41b8403f2e52fbe6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.41,
          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "52ce309fcd24dca15fbde65077cc26dad3b6996b32db67f08a50757af64894d7",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mp4570gf-z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "footprint_binding": "identity",
        "sha256": "6f76d7ee0c470d488a27efb288faf27026a4d25b0df3c9dc83870434c477105e",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Monolithic Power Systems",
      "Package": "TSSOP-20-EP",
      "Category": "Global Sourcing Parts",
      "Pins": "21"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "41b8403f2e52fbe620f352d0d888ca55ff4e70748fa790bbe89c8c67de1f60f9",
      "rows": [
        {
          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.98,
          "typ": 1,
          "max": 1.02,
          "conditions": "4.5V ≤ VIN ≤ 55V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error AMP Transconductance",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA/V",
          "min": 430,
          "typ": 630,
          "max": 730,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "COMP Sink/Source Current",
          "symbol": "ICOMP",
          "kind": "electrical",
          "unit": "μA",
          "min": 13,
          "typ": 30,
          "max": 52,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Upper Switch On Resistance",
          "symbol": "RON_HS",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 90,
          "max": 120,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Lower Switch On Resistance",
          "symbol": "RON_LS",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 70,
          "max": 100,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Peak Current Limit",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "A",
          "min": 4.5,
          "typ": 5.7,
          "max": 7.5,
          "conditions": "10% Duty Cycle",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Supply Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 450,
          "max": 550,
          "conditions": "No load, Without Switching",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Supply Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 7,
          "max": 12,
          "conditions": "VEN = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD Regulator Output Voltage (BIAS = NC)",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 3.4,
          "typ": 3.6,
          "max": 3.8,
          "conditions": "BIAS = NC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD Regulator Output Voltage (BIAS = External 5V Power)",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 4.6,
          "typ": null,
          "max": 4.8,
          "conditions": "BIAS = External 5V Power",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Rising Threshold",
          "symbol": "VEN_R",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": 1.6,
          "max": 1.8,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Falling Threshold",
          "symbol": "VEN_F",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": 1.3,
          "max": 1.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VIN UVLO Rising Threshold",
          "symbol": "VINUV R",
          "kind": "electrical",
          "unit": "V",
          "min": 3.7,
          "typ": 3.9,
          "max": 4.1,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VIN UVLO Falling Threshold",
          "symbol": "VINUV F",
          "kind": "electrical",
          "unit": "V",
          "min": 3.3,
          "typ": 3.5,
          "max": 3.7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "External Soft Start Capacitor Charging Current",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "μA",
          "min": 2.5,
          "typ": 4,
          "max": 5.5,
          "conditions": "VSS=1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 400,
          "typ": 520,
          "max": 640,
          "conditions": "RFREQ=100k",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output OVP Threshold",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "%",
          "min": 108,
          "typ": 115,
          "max": 122,
          "conditions": "VFB(OVP)/VFB",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power Good Threshold (VOUT Rising)",
          "symbol": "VPG_TH",
          "kind": "electrical",
          "unit": "%",
          "min": 86,
          "typ": 90,
          "max": 94,
          "conditions": "VOUT Rising, VFB(PG)/VFB",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power Good Threshold (VOUT Falling)",
          "symbol": "VPG_TH",
          "kind": "electrical",
          "unit": "%",
          "min": 81,
          "typ": 85,
          "max": 89,
          "conditions": "VOUT Falling, VFB(PG)/VFB",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power Good Delay (VOUT Rising)",
          "symbol": "tPG_DL",
          "kind": "timing",
          "unit": "μs",
          "min": 8,
          "typ": 22,
          "max": 37,
          "conditions": "VOUT Rising",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power Good Delay (VOUT Falling)",
          "symbol": "tPG_DL",
          "kind": "timing",
          "unit": "μs",
          "min": 8,
          "typ": 21,
          "max": 33,
          "conditions": "VOUT Falling",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "SYNC Frequency Range",
          "symbol": "fSYNC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 100,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": 150,
          "typ": null,
          "max": 170,
          "conditions": "Derived from bench characterization, not tested in production (note 4)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Upper Switch Leakage Current",
          "symbol": "ILKG_SW",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": 300,
          "conditions": "VEN = 0V, VSW = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": 50,
          "conditions": "VFB=1.07V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SYNC Leakage Current",
          "symbol": "ILKG_SYNC",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": 100,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: Supply Voltage VIN",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: VSW",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN+0.5V (not converted)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: All Other Pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: EN Sink Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: Continuous Power Dissipation TSSOP-20 EP",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2.78,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended: Supply Voltage VIN",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 55,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended: Output Voltage VOUT",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as 0.9·VIN (not converted)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended: Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "Measured on JESD51-7, 4-layer PCB",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10,
          "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": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum On Time",
          "symbol": "tON_MIN",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Threshold Hysteresis",
          "symbol": "VEN_HYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VIN UVLO Threshold Hysteresis",
          "symbol": "VINUV HYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
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