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Ray Set visibility: public dab76bb 9h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "qx7135e14",
  "title": "QX7135E14",
  "brief": "QX Micro Devices LED Drivers, SOT-89. 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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    "display modules - led drivers - display drivers",
    "qx7135e14",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "QX7135E14",
    "manufacturer": "QX Micro Devices",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/51ef5e5234296aee810ade0063dbe76c.pdf",
    "parts": {
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      "footprint": "qx7135e14.kicad_mod",
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      "model_3d_plain": "qx7135e14-etched.glb",
      "model_3d_step": "qx7135e14-etched.step",
      "model_3d_step_plain": "qx7135e14.step",
      "lbr": "qx7135e14.lbr"
    },
    "distributor_links": {
      "lcsc": "C236064"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:57:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LED",
        "type": "input",
        "description": "LED output pin that connects to the LED cathode; maximum voltage is 7 V and maximum current is 500 mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input with an operating range of 2.7 V to 5.5 V and a maximum of 7 V; place about 4.7 uF capacitor close to this pin and ground."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet lists the LED pin type as 输出 (output) in the description column, but the pin is a current-; The ordering code QX7135E14 means E = SOT-89-3 package and 14 = 140 mA output current. The package m"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0387,
        "at": "2026-10-22T21:57:35"
      },
      "datasheet": {
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        "pages": 8,
        "sha256": "0ce84291395399e0",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "qx7135e14.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "qx7135e14-etched.step",
        "role": "eda",
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        "footprint_binding": "identity",
        "sha256": "f4473815d9464b20a86b51c8c9b6f2f63680c680cd78ac794345f23abb7bcaa7",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "QX Micro Devices",
      "Package": "SOT-89",
      "Category": "Display Modules / LED Drivers / Display Drivers",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0ce84291395399e014957c39fc792e53de6072abb12947a65ee21c13457b8845",
      "rows": [
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          "name": "Supply voltage range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5.5,
          "conditions": "ILED =350mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage protection threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2.3,
          "typ": 2.5,
          "max": 2.7,
          "conditions": "ILED =350mA, VIN decreasing",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output current range",
          "symbol": "ILED",
          "kind": "electrical",
          "unit": "mA",
          "min": 100,
          "typ": null,
          "max": 380,
          "conditions": "VIN =3.6V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current accuracy",
          "symbol": "△ILED/ILED",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "△VO greater than 100mV",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IDDQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "VIN =5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA/V",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VIN =3.6V, VLED from 0.2V to 3.0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA/V",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VIN from 3.0V to 5.0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum voltage at VDD and LED",
          "symbol": "VMAX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum LED pin current",
          "symbol": "ILED_MAX",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum power dissipation",
          "symbol": "PSOT-89-3",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "SOT-89-3 package",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 120,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature range",
          "symbol": "TSD",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": 230,
          "typ": null,
          "max": 240,
          "conditions": "time less than 30 s",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD withstand voltage (HBM)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "human body model",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "△VO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "output current at 90% of set value",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over-temperature protection threshold",
          "symbol": "TOTP",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "qx7135e14"
  ],
  "discovery_pitch": "QX7135E14 (QX Micro Devices) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
  },
  "files": [
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    "qx7135e14.lbr",
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  "visibility": {
    "public": true
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}