main
Ray Set visibility: public cd15ddf 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mp3302dj-lf-z",
  "title": "MP3302DJ-LF-Z",
  "brief": "Monolithic Power Systems LED Drivers, TSOT-23-5. 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",
    "led drivers",
    "mp3302dj-lf-z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MP3302DJ-LF-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "TSOT-23-5",
    "pin_count": 5,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586172071600656384",
    "parts": {
      "symbol": "mp3302dj-lf-z.kicad_sym",
      "footprint": "mp3302dj-lf-z.kicad_mod",
      "model_3d": "mp3302dj-lf-z-hero.glb",
      "model_3d_plain": "mp3302dj-lf-z-etched.glb",
      "model_3d_step": "mp3302dj-lf-z-etched.step",
      "model_3d_step_plain": "mp3302dj-lf-z.step",
      "lbr": "mp3302dj-lf-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C15035"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:50:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "power_out",
        "description": "Power switch output, the drain of the internal MOSFET, which connects to the power inductor and output rectifier and can swing between GND and 36V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, which must be connected to the GND plane for proper device operation and thermal performance."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that regulates the voltage across the LED current sense resistor between FB and GND to a 200mV reference, with the bottom of the LED string connected to FB."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "ON/OFF control and dimming command input where above 0.6V turns the part on, below 0.4V turns it off, and 0.7V to 1.4V sets FB regulation between 0V and 200mV."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin with a recommended supply range of 2.5V to 6V, which must be locally bypassed."
      }
    ],
    "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 pin table lists a separate exposed pad and NC pin 3 only for the QFN8 package; the TSO"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0558,
        "at": "2026-10-17T23:48:17"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586172071600656384",
        "pages": 12,
        "sha256": "4de74dcdcc161e76",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mp3302dj-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": "5120f0cee43ef7743cc08408d2c12f234fcac7355386e330a3a16f336e23da8d",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mp3302dj-lf-z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e963899383b6359314301cbc924b6d5e5373ebe05b39282db323948a68ef40cd",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Monolithic Power Systems",
      "Package": "TSOT-23-5",
      "Category": "LED Drivers",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4de74dcdcc161e76de3718cddb888f213965d05da0c1d33a6c244875ca6362f5",
      "rows": [
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          "name": "Operating Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (Shutdown)",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 4,
          "max": 8,
          "conditions": "VEN = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (Quiescent)",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 690,
          "max": 850,
          "conditions": "VFB = 0.15V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1,
          "typ": 1.3,
          "max": 1.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 92,
          "conditions": "VFB = 0V",
          "source_page": 3,
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        },
        {
          "name": "IN Under Voltage Lockout",
          "symbol": "UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2.25,
          "typ": null,
          "max": 2.45,
          "conditions": "VIN Rising",
          "source_page": 3,
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        },
        {
          "name": "Open Lamp Shutdown Threshold",
          "symbol": "VOV",
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          "min": 40,
          "typ": 42,
          "max": 44,
          "conditions": "VOV Rising",
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        {
          "name": "EN OFF Threshold",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VEN Falling",
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          "min": 0.6,
          "typ": null,
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          "conditions": "VEN Rising",
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          "source": "datasheet"
        },
        {
          "name": "Minimum EN Dimming Threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.655,
          "typ": 0.7,
          "max": 0.845,
          "conditions": "VFB = 0V",
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        {
          "name": "Maximum EN Dimming Threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.275,
          "typ": 1.4,
          "max": 1.425,
          "conditions": "VFB = 0.2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 185,
          "typ": 200,
          "max": 215,
          "conditions": "VEN = 1.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB Input Bias Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": -600,
          "typ": -300,
          "max": null,
          "conditions": "VFB = 0.1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Voltage (recommended)",
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          "kind": "recommended_operating",
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          "min": 2.5,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "SW Pin (recommended)",
          "symbol": "VSW",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "Range printed as VIN to 36V",
          "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": "SW Pin (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "All Other Pins (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Power Dissipation TSOT23-5",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.57,
          "conditions": "TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "IN Under Voltage Lockout Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 92,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "SW On-Resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1.33,
          "max": null,
          "conditions": "Duty Cycle = 60%",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient TSOT23-5",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 220,
          "max": null,
          "conditions": "Measured on approximately 1 inch square of 1 oz copper",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case TSOT23-5",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "Measured on approximately 1 inch square of 1 oz copper",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "MP3302DJ-LF-Z (Monolithic Power Systems) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}