MP4541GN-Z

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  "schema_version": 1,
  "type": "component",
  "slug": "mp4541gn-z",
  "title": "MP4541GN-Z",
  "brief": "Monolithic Power Systems DC-DC Converters, SOIC-8-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": [
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    "power supply chip",
    "mp4541gn-z",
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  "component": {
    "mpn": "MP4541GN-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ce89c2ef47c66bd40c160559611c8a33.pdf",
    "parts": {
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      "lbr": "mp4541gn-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C3192953",
      "digikey": "1589-MP4541GN-ZTR-ND",
      "mouser": "946-MP4541GN-Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:22:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1589-MP4541GN-ZTR-ND",
        "status": "found",
        "lifecycle": "Active"
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    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Power enable: pull high to turn on the MP4541 and low to turn it off; do not float the pin (rising threshold typ 1.25V, compatible with voltages up to 80V)."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal LDO output that supplies the internal control circuit; decouple with a ≥1μF ceramic capacitor (regulation typ 4.85V at IVCC = 2mA)."
      },
      {
        "number": "3",
        "name": "FREQ",
        "type": "passive",
        "description": "Switching frequency setting pin; connect an external resistor from FREQ to GND to set the buck fSW (100kHz to 1MHz)."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback; connect a resistor divider from the output to the FB pin (VREF typ 1V)."
      },
      {
        "number": "5",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap power for the high-side MOSFET gate driver; connect a 0.1μF capacitor between the BST and SW pins."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Switch node of the converter, connected to the source of the HS-FET and the drain of the LS-FET (-0.5V to +85V absolute maximum)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, 8V to 80V recommended operating range (85V absolute maximum)."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
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        "at": "2026-10-23T03:22:22"
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        "total": 9,
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  "metadata": {
    "specs": {
      "Manufacturer": "Monolithic Power Systems",
      "Package": "SOIC-8-EP",
      "Category": "Power Supply Chip",
      "Pins": "9"
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          "name": "LS-FET valley current limit (25C)",
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          "name": "Inductor current ZCD threshold",
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          "name": "Shutdown current",
          "symbol": "ISD",
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          "unit": "μA",
          "min": null,
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          "max": 2,
          "conditions": "VEN = 0V, measured on VIN",
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          "name": "VCC UVLO threshold hysteresis",
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          "min": null,
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        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VIN = 12V, VFB = 1.05V, no switching, measured on VIN, TJ = 25°C",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Micro-power EN start-up threshold",
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          "unit": "V",
          "min": null,
          "typ": 0.9,
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        {
          "name": "Micro-power EN off threshold",
          "symbol": "",
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        {
          "name": "EN hysteresis",
          "symbol": "VEN_H",
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        {
          "name": "Minimum off time",
          "symbol": "tMIN_OFF",
          "kind": "timing",
          "unit": "ns",
          "min": null,
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        {
          "name": "Minimum on time",
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          "min": null,
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          "name": "FB under-voltage threshold",
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          "kind": "electrical",
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          "name": "LS-FET on resistance",
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          "unit": "mΩ",
          "min": null,
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          "name": "Synchronous HS-FET on resistance",
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          "name": "Thermal shutdown",
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          "unit": "°C",
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          "name": "SW voltage",
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          "name": "SW voltage (<20ns)",
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          "max": 88,
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          "source_page": 3,
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          "name": "BST to SW voltage",
          "symbol": "",
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          "name": "All other pins",
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        {
          "name": "Continuous power dissipation",
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          "unit": "W",
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          "conditions": "TA = 25°C",
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          "name": "Junction temperature",
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          "name": "Lead temperature",
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          "name": "Storage temperature",
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