main
Ray Set visibility: public 984e348 7d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "is32lt3178-stla3-tr",
  "title": "IS32LT3178-STLA3-TR",
  "brief": "INTEGRATED SILICON SOLUTION INC Global Sourcing Parts, SOT-23-6. 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",
    "global sourcing parts",
    "is32lt3178-stla3-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "IS32LT3178-STLA3-TR",
    "manufacturer": "INTEGRATED SILICON SOLUTION INC",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Global Sourcing Parts",
    "subcategory": "Global Sourcing Parts",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0ab90418cb8b68718c9efc11c0ff338a.pdf",
    "parts": {
      "symbol": "is32lt3178-stla3-tr.kicad_sym",
      "footprint": "is32lt3178-stla3-tr.kicad_mod",
      "model_3d": "is32lt3178-stla3-tr-hero.glb",
      "model_3d_plain": "is32lt3178-stla3-tr-etched.glb",
      "model_3d_step": "is32lt3178-stla3-tr-etched.step",
      "model_3d_step_plain": "is32lt3178-stla3-tr.step",
      "lbr": "is32lt3178-stla3-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C17346920",
      "digikey": "2521-IS32LT3178-STLA3-TR-ND",
      "mouser": "870-3178-STLA3-TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T11:53:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2521-IS32LT3178-STLA3-TR-ND",
        "status": "found",
        "lifecycle": "Discontinued at DigiKey"
      },
      "mouser": {
        "pn": "870-3178-STLA3-TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Enable pin (PWM input on IS32LT3178, up to 1kHz); IS32LT3178 EN absolute maximum is 6.0V and sufficient supply voltage on EN is 2.9V to 5.5V for 10mA to 150mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; all GND pins must be connected to supply ground."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "passive",
        "description": "Current sink output; maximum output voltage 44V, minimum headroom 1.2V at 150mA, output current limit typically 295mA."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; all GND pins must be connected to supply ground."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; all GND pins must be connected to supply ground."
      },
      {
        "number": "6",
        "name": "ISET",
        "type": "passive",
        "description": "Output current setting pin; connect a resistor (10.6kΩ to 160kΩ for SOT23-6) between this pin and GND to set the maximum output current, and do not leave it floating."
      }
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    "provenance": {
      "extractor": "extract_pins 0.3",
      "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: Pin-to-number mapping comes from the pin description table. The pin configuration drawing is not in "
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        "pages_sent": 22,
        "cost_usd": 0.1238,
        "at": "2026-10-30T11:53:21"
      },
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        "pages": 22,
        "sha256": "78ab75e127b35486",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
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        "sha256": "cf0c4cbfb08d851e531fca17483b14e29c8097d7ff734a22e70bfe87c8c780de",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "INTEGRATED SILICON SOLUTION INC",
      "Package": "SOT-23-6",
      "Category": "Global Sourcing Parts",
      "Pins": "6"
    },
    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "78ab75e127b3548639a41acd816499a945efb430728c5d7531cf71292a97f735",
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          "name": "Output current (25°C)",
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          "unit": "mA",
          "min": 96.5,
          "typ": 100,
          "max": 103.5,
          "conditions": "VOUT>1.0V, VEN=3.3V, RISET=16kΩ, SOT23-6, TA=TJ=25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current (full temp)",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 94,
          "typ": 100,
          "max": 106,
          "conditions": "VOUT>1.0V, VEN=3.3V, RISET=16kΩ, SOT23-6, -40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current (25°C)",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 145.5,
          "typ": 150,
          "max": 154.5,
          "conditions": "VOUT>1.5V, VEN=3.3V, RISET=10.6kΩ, SOT23-6, TA=TJ=25°C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Output current (full temp)",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 142.5,
          "typ": 150,
          "max": 157.5,
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          "source_page": 6,
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        },
        {
          "name": "Enable current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "mA",
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          "typ": null,
          "max": 1,
          "conditions": "VEN=3.3V, RISET=16kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "OUT pin breakdown voltage",
          "symbol": "VBD_OUT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "VEN=0V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Current setting reference voltage",
          "symbol": "VISET",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VOUT=0.8V, VEN=3.3V, RISET=160kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN UVLO threshold, rising",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": null,
          "max": 2.4,
          "conditions": "VEN rising",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN UVLO threshold, falling",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": 1.7,
          "conditions": "VEN falling",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Sufficient supply voltage on EN pin",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.9,
          "typ": null,
          "max": 5.5,
          "conditions": "10mA≤IOUT≤150mA, VOUT=2V, SOT23-6",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output current limit",
          "symbol": "IOUT_LIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 295,
          "max": null,
          "conditions": "RISET=GND, VEN=3.3V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Minimum required headroom voltage",
          "symbol": "VHR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "IOUT=150mA, SOT23-6",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN pin enabling time",
          "symbol": "tON",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VOUT>1.5V, VEN=3.3V, RISET=16kΩ",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal roll off threshold",
          "symbol": "TRO",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 145,
          "max": null,
          "conditions": "Current decreasing slope rate: -0.6%/°C (Note 8)",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Thermal shutdown threshold",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "°C",
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          "typ": 170,
          "max": null,
          "conditions": "Temperature rising (Note 8)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "TSD_HY",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "Temperature falling (Note 8)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum enable voltage",
          "symbol": "VEN(MAX)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "IS32LT3178",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "IOUT(MAX)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 5,
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        {
          "name": "Maximum output voltage",
          "symbol": "VOUT(MAX)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 44,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reverse voltage between all terminals",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD(MAX)",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.77,
          "conditions": "SOT23-6",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJMAX",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TA=TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "ESD (HBM)",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM",
          "symbol": "ESD (CDM)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -750,
          "typ": null,
          "max": 750,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "SOT23-6, 4 layer standard test PCB based on JESD 51-2A",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "is32lt3178-stla3-tr"
  ],
  "discovery_pitch": "IS32LT3178-STLA3-TR (INTEGRATED SILICON SOLUTION INC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}