main
Ray Set visibility: public 2fc6dd9 7h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "nsi45030azt1g",
  "title": "NSI45030AZT1G",
  "brief": "onsemi LED Drivers, SOT-223-4. 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",
    "display modules - led drivers - display drivers",
    "nsi45030azt1g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NSI45030AZT1G",
    "manufacturer": "onsemi",
    "package": "SOT-223-4",
    "pin_count": 4,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/nsi45030azt1-d.pdf",
    "parts": {
      "symbol": "nsi45030azt1g.kicad_sym",
      "footprint": "nsi45030azt1g.kicad_mod",
      "model_3d": "nsi45030azt1g-hero.glb",
      "model_3d_plain": "nsi45030azt1g-etched.glb",
      "model_3d_step": "nsi45030azt1g-etched.step",
      "model_3d_step_plain": "nsi45030azt1g.step",
      "lbr": "nsi45030azt1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C145522",
      "digikey": "NSI45030AZT1GOSTR-ND",
      "mouser": "863-NSI45030AZT1G"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:24:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "NSI45030AZT1GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-NSI45030AZT1G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Anode",
        "type": "passive",
        "description": "Anode of the constant current regulator; Vak max 45 V, regulates 30 mA ±10% at Vak = 7.5 V, can be used as high-side or low-side regulator."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the constant current regulator (Style 2 pin 2), internally common with pin 4; Vak max 45 V and reverse voltage VR max 500 mV."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin per Style 2 pinout."
      },
      {
        "number": "4",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode tab (Style 2 pin 4, shown as Cathode 2/4) used as the thermal lead with RψJL4 of 37.7 to 42 °C/W depending on board copper."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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: Cathode pins 2 and 4 are marked 'Cathode 2/4' in the marking diagram, implying they are common; pin "
        ],
        "pages_sent": 7,
        "cost_usd": 0.0736,
        "at": "2026-10-23T03:23:59"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/nsi45030azt1-d.pdf",
        "pages": 7,
        "sha256": "7e0412cecdde7146",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "nsi45030azt1g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "nsi45030azt1g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          1.7
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2766f007d77d8912d307a26c40f4bf24b94cd25a43c1c462867ed9cd53091bd9",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-223-4",
      "Category": "Display Modules / LED Drivers / Display Drivers",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7e0412cecdde7146b26ed33eedbb7991c3a6b97e3281e436548cc22602a1e5d9",
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          "name": "Steady State Current",
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          "kind": "electrical",
          "unit": "mA",
          "min": 27,
          "typ": 30,
          "max": 33,
          "conditions": "Vak = 7.5 V, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Pulse Current",
          "symbol": "Ireg(P)",
          "kind": "electrical",
          "unit": "mA",
          "min": 28.4,
          "typ": 31.55,
          "max": 34.7,
          "conditions": "Vak = 7.5 V, pulse test",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Anode-Cathode Voltage",
          "symbol": "Vak",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse Voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating and Storage Junction Temperature Range",
          "symbol": "TJ, Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (FR-4 100 mm2, 1 oz)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 954,
          "conditions": "TA = 25°C, FR-4 @ 100 mm2, 1 oz. copper, still air",
          "source_page": 2,
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        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (100 mm2, 1 oz)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 131,
          "conditions": "FR-4 @ 100 mm2, 1 oz. copper, still air",
          "source_page": 2,
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        },
        {
          "name": "Thermal Reference Junction-to-Lead 4 (100 mm2, 1 oz)",
          "symbol": "RψJL4",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 40.8,
          "conditions": "FR-4 @ 100 mm2, 1 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (FR-4 100 mm2, 2 oz)",
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          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1074,
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          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (100 mm2, 2 oz)",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 116,
          "conditions": "FR-4 @ 100 mm2, 2 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Reference Junction-to-Lead 4 (100 mm2, 2 oz)",
          "symbol": "RψJL4",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 39.9,
          "conditions": "FR-4 @ 100 mm2, 2 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (FR-4 300 mm2, 1 oz)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1150,
          "conditions": "TA = 25°C, FR-4 @ 300 mm2, 1 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (300 mm2, 1 oz)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 109,
          "conditions": "FR-4 @ 300 mm2, 1 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Reference Junction-to-Lead 4 (300 mm2, 1 oz)",
          "symbol": "RψJL4",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 42,
          "conditions": "FR-4 @ 300 mm2, 1 oz. copper, still air",
          "source_page": 2,
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        },
        {
          "name": "Total Device Dissipation (FR-4 300 mm2, 2 oz)",
          "symbol": "PD",
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          "min": null,
          "typ": null,
          "max": 1300,
          "conditions": "TA = 25°C, FR-4 @ 300 mm2, 2 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (300 mm2, 2 oz)",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 96,
          "conditions": "FR-4 @ 300 mm2, 2 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Reference Junction-to-Lead 4 (300 mm2, 2 oz)",
          "symbol": "RψJL4",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 39.4,
          "conditions": "FR-4 @ 300 mm2, 2 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (FR-4 500 mm2, 1 oz)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1214,
          "conditions": "TA = 25°C, FR-4 @ 500 mm2, 1 oz. copper, still air",
          "source_page": 2,
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        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (500 mm2, 1 oz)",
          "symbol": "RθJA",
          "kind": "thermal",
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          "min": null,
          "typ": null,
          "max": 103,
          "conditions": "FR-4 @ 500 mm2, 1 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Reference Junction-to-Lead 4 (500 mm2, 1 oz)",
          "symbol": "RψJL4",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 40.2,
          "conditions": "FR-4 @ 500 mm2, 1 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation (FR-4 500 mm2, 2 oz)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1389,
          "conditions": "TA = 25°C, FR-4 @ 500 mm2, 2 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (500 mm2, 2 oz)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 90,
          "conditions": "FR-4 @ 500 mm2, 2 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Reference Junction-to-Lead 4 (500 mm2, 2 oz)",
          "symbol": "RψJL4",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 37.7,
          "conditions": "FR-4 @ 500 mm2, 2 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature Range",
          "symbol": "TJ, Tstg",
          "kind": "thermal",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage Overhead",
          "symbol": "Voverhead",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.8,
          "max": null,
          "conditions": "Voverhead = Vin - VLEDs, typical value for 70% Ireg(SS)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Capacitance",
          "symbol": "C",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 2.6,
          "max": null,
          "conditions": "Vak = 7.5 V, f = 1 MHz, 0.02 V RMS",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Capacitance",
          "symbol": "C",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 6.9,
          "max": null,
          "conditions": "Vak = 0 V, f = 1 MHz, 0.02 V RMS",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Derating above 25°C (100 mm2, 1 oz)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": null,
          "max": 7.6,
          "conditions": "FR-4 @ 100 mm2, 1 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Derating above 25°C (100 mm2, 2 oz)",
          "symbol": "PD",
          "kind": "thermal",
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          "min": null,
          "typ": null,
          "max": 8.6,
          "conditions": "FR-4 @ 100 mm2, 2 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Derating above 25°C (300 mm2, 1 oz)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": null,
          "max": 9.2,
          "conditions": "FR-4 @ 300 mm2, 1 oz. copper, still air",
          "source_page": 2,
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        },
        {
          "name": "Derating above 25°C (300 mm2, 2 oz)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": null,
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          "conditions": "FR-4 @ 300 mm2, 2 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Derating above 25°C (500 mm2, 1 oz)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": null,
          "max": 9.7,
          "conditions": "FR-4 @ 500 mm2, 1 oz. copper, still air",
          "source_page": 2,
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        },
        {
          "name": "Derating above 25°C (500 mm2, 2 oz)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": null,
          "max": 11.1,
          "conditions": "FR-4 @ 500 mm2, 2 oz. copper, still air",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "NSI45030AZT1G (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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