main
Ray Set visibility: public e87b1bc 11h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "qx7136",
  "title": "QX7136",
  "brief": "QX Micro Devices LED Drivers, SOT-89-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "package": "SOT-89-5",
    "pin_count": 5,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/656472c140f3908b920d4c15aec993e2.pdf",
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      "lbr": "qx7136.lbr"
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    "distributor_links": {
      "lcsc": "C236056"
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    "distributor_check": {
      "checked_at": "2026-10-22T20:57:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Current setting pin; LED current is set by ILED = VCS/RCS with VCS typically 50mV (47mV to 53mV)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground; keep the RCS return trace to ground thick and short to reduce output current error."
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      {
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        "name": "VDD",
        "type": "power_in",
        "description": "Chip power supply, 2.7V to 5.2V operating range with internal clamp at about 5.4V and UVLO at 2.5V typical; place a ~4.7uF capacitor close to this pin."
      },
      {
        "number": "4",
        "name": "DRV",
        "type": "output",
        "description": "Gate drive output for an external NMOS transistor; absolute maximum voltage 7V."
      },
      {
        "number": "5",
        "name": "LED",
        "type": "input",
        "description": "Drain terminal of the internal NMOS, which supports 10mA to 1000mA output current at VIN=3.6V."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
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        "cost_usd": 0.0452,
        "at": "2026-10-22T20:57:03"
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        "pages": 8,
        "sha256": "94222d6406d33cb6",
        "source_tier": "lcsc"
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      "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"
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    "models_3d": [
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        "role": "plain",
        "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": "5bf9133f79d12f58c4da043d3892ba5cec700de6f3255a5358e7ec3200be4733",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "QX Micro Devices",
      "Package": "SOT-89-5",
      "Category": "Display Modules / LED Drivers / Display Drivers",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
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      "datasheet_sha256": "94222d6406d33cb642f84fdce765761fe9640beef89f1e1efa77ce7861c33d4d",
      "rows": [
        {
          "name": "Supply voltage range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5.2,
          "conditions": "ILED =350mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout 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, external NMOS",
          "symbol": "ILED",
          "kind": "electrical",
          "unit": "mA",
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          "symbol": "ILED",
          "kind": "electrical",
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          "typ": null,
          "max": 1000,
          "conditions": "Internal NMOS, VIN =3.6V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current accuracy",
          "symbol": "ΔILED/ILED",
          "kind": "electrical",
          "unit": "%",
          "min": -6,
          "typ": null,
          "max": 6,
          "conditions": "ΔVO greater than 100mV",
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        },
        {
          "name": "CS voltage",
          "symbol": "VCS",
          "kind": "electrical",
          "unit": "mV",
          "min": 47,
          "typ": 50,
          "max": 53,
          "conditions": "Chip operating normally",
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        },
        {
          "name": "Maximum voltage on VDD, DRV and CS pins",
          "symbol": "VMAX",
          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
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          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum power dissipation SOT-89-5",
          "symbol": "PSOT-89-5",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "SOT-89-5 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",
          "symbol": "TSD",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": 230,
          "typ": null,
          "max": 240,
          "conditions": "Time less than 30 seconds",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD 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": "Internal clamp voltage",
          "symbol": "VZN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 5.4,
          "max": null,
          "conditions": "",
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        },
        {
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          "unit": "uA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VIN =5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage, external NMOS",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "Output current 1.4A, external NMOS AP2306",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage, internal NMOS",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "Output current 350mA, internal NMOS",
          "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"
        },
        {
          "name": "Load regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA/V",
          "min": null,
          "typ": 2,
          "max": null,
          "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": 2,
          "max": null,
          "conditions": "VIN from 3.0V to 5.0V",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
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  "discovery_triggers": [
    "qx7136"
  ],
  "discovery_pitch": "QX7136 (QX Micro Devices) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}