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Ray Set visibility: public 75778b9 13d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "mpq2143dj-aec1-lf-z",
  "title": "MPQ2143DJ-AEC1-LF-Z",
  "brief": "Monolithic Power Systems DC-DC Converters, TSOT-23-8. 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)",
    "mpq2143dj-aec1-lf-z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MPQ2143DJ-AEC1-LF-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "TSOT-23-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603396010253438976",
    "parts": {
      "symbol": "mpq2143dj-aec1-lf-z.kicad_sym",
      "footprint": "mpq2143dj-aec1-lf-z.kicad_mod",
      "model_3d": "mpq2143dj-aec1-lf-z-hero.glb",
      "model_3d_plain": "mpq2143dj-aec1-lf-z-etched.glb",
      "model_3d_step": "mpq2143dj-aec1-lf-z-etched.step",
      "model_3d_step_plain": "mpq2143dj-aec1-lf-z.step",
      "lbr": "mpq2143dj-aec1-lf-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C3202084",
      "digikey": "1589-1782-2-ND",
      "mouser": "946-MPQ2143DJAEC1LFZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T01:37:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1589-1782-2-ND",
        "status": "found",
        "lifecycle": "Not For New Designs"
      },
      "mouser": {
        "pn": "946-MPQ2143DJAEC1LFZ",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PG",
        "type": "output",
        "description": "Open-drain power-good indicator with an internal 500kΩ pull-up to VIN; it is pulled up when FB is within ±10% of the regulation level and is LOW when FB is outside that window."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input for the 2.5V to 5.5V unregulated input; C1 prevents large voltage spikes from appearing at the input."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Switch output node of the internal power stage; the absolute maximum rating is -3V for less than 5ns to VIN+0.3V."
      },
      {
        "number": "4",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the power stage."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "input",
        "description": "Input sense pin used for output voltage feedback."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground that serves as the reference for the internal control circuit."
      },
      {
        "number": "7",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin; connect an external resistor divider from the output to GND to set the output voltage, which can be regulated as low as 0.6V."
      },
      {
        "number": "8",
        "name": "EN",
        "type": "input",
        "description": "On/off control; the device is enabled when EN is pulled above 1.2V and is disabled when EN is left floating or grounded (internal 1MΩ resistor to ground)."
      }
    ],
    "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 datasheet's pin table (page 9) is explicitly labeled TSOT23-8 and the ordering table (page 2) li; KiCad type for PG is set to 'output' because the datasheet describes it as an open-drain output pull; EN description cites the enable threshold and the floating/grounded disable behavior from the Operat"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0545,
        "at": "2026-10-21T01:34:07"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603396010253438976",
        "pages": 16,
        "sha256": "4cb4951458037ab4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mpq2143dj-aec1-lf-z.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dc644a91883054d8f75e38542e63c2050dc8f2e8b7f12e1c57dcd93245fbd473",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mpq2143dj-aec1-lf-z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b15b4adedc88b15f47485bdc085e9b46b917ce1467cebf8e8b4395bc0e2a6d33",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Monolithic Power Systems",
      "Package": "TSOT-23-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4cb4951458037ab445fa64d30b0df022bf566140aee1f2f4cbd5e0ac971552c0",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VSW Pin Voltage",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": null,
          "conditions": "min applies for < 5ns; max printed as VIN+0.3V (not numeric)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "All Other Pins Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Power Dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
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          "conditions": "",
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        },
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
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          "min": 2.5,
          "typ": null,
          "max": 5.5,
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          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "max printed as VIN -0.5V (not numeric)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage tolerance",
          "symbol": "VFB",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "2.5V ≤ VIN ≤ 5.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage tolerance",
          "symbol": "VFB",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "TJ=-40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Under-Voltage Lockout Threshold (rising)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 2.2,
          "max": 2.4,
          "conditions": "Rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency tolerance",
          "symbol": "fs",
          "kind": "tolerance",
          "unit": "%",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VIN=5V, VOUT=1.2V, IOUT=1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency tolerance",
          "symbol": "fs",
          "kind": "tolerance",
          "unit": "%",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "TJ=-40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-Good Upper Trip Threshold",
          "symbol": "PGH",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "FB voltage respect to the regulation",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-Good Lower Trip Threshold",
          "symbol": "PGL",
          "kind": "electrical",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": null,
          "conditions": "FB voltage respect to the regulation",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch Leakage",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 2,
          "conditions": "VEN = 0V, VIN = 5V, TJ=+25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PFET Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 4.2,
          "typ": null,
          "max": 4.8,
          "conditions": "TJ=+25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "2.5V ≤ VIN ≤ 5.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Feedback Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VFB = 0.63V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PFET Switch ON Resistance",
          "symbol": "RDSON_P",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "NFET Switch ON Resistance",
          "symbol": "RDSON_N",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch Leakage",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 35,
          "max": null,
          "conditions": "VEN = 0V, VIN = 5V, TJ=-40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PFET Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "TJ=-40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "NFET Switch Sinking Current",
          "symbol": "INSW",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VOUT=1.2V, VFB=0.7V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ON Time",
          "symbol": "tON",
          "kind": "electrical",
          "unit": "nS",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "VIN=5V, VOUT=1.2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ON Time",
          "symbol": "tON",
          "kind": "electrical",
          "unit": "nS",
          "min": null,
          "typ": 277,
          "max": null,
          "conditions": "VIN=3.6V, VOUT=1.2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "fs",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 1200,
          "max": null,
          "conditions": "VIN=5V, VOUT=1.2V, IOUT=1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum OFF Time",
          "symbol": "tMIN-OFF",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soft-Start Time",
          "symbol": "tSS-ON",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 1.3,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soft-Stop Time",
          "symbol": "tSS-OFF",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-Good Delay",
          "symbol": "PGD",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-Good Sink Current Capability (VPG-L)",
          "symbol": "VPG-L",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "Sink 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-Good Logic High Voltage",
          "symbol": "VPG-H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.9,
          "max": null,
          "conditions": "VIN=5V, VFB=0.6V, TJ=+25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-Good Logic High Voltage",
          "symbol": "VPG-H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.85,
          "max": null,
          "conditions": "VIN=5V, VFB=0.6V, TJ=-40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-Good Internal Pull-Up Resistor",
          "symbol": "RPG",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Under-Voltage Lockout Threshold Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Input Logic Low Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Input Logic High Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "VEN=2V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VEN=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (Shutdown)",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VEN=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (Quiescent)",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "VEN=2V, VFB=0.63V, VIN=3.6V",
          "source_page": 4,
          "source": "datasheet"
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