main
Ray Set visibility: public 1385889 3d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ifx1963s",
  "title": "IFX1963S",
  "brief": "HGSEMI Linear Voltage Regulators (LDO), TO-263-5L. 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",
    "power supply chip",
    "ifx1963s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "IFX1963S",
    "manufacturer": "HGSEMI",
    "package": "TO-263-5L",
    "pin_count": 6,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c74a880491ef2675d0f193fdf9670e5f.pdf",
    "parts": {
      "symbol": "ifx1963s.kicad_sym",
      "footprint": "ifx1963s.kicad_mod",
      "model_3d": "ifx1963s-hero.glb",
      "model_3d_plain": "ifx1963s-etched.glb",
      "model_3d_step": "ifx1963s-etched.step",
      "model_3d_step_plain": "ifx1963s.step",
      "lbr": "ifx1963s.lbr"
    },
    "distributor_links": {
      "lcsc": "C5116336"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:32:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Active-high CMOS/TTL compatible enable input (low ≤0.8V off, high ≥2.4V on); do not float, may be tied to IN for continuous operation."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input supply, +2.8V to +16V maximum."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the TAB is also connected internally to the IC's ground."
      },
      {
        "number": "4",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulator output voltage, adjustable from 1.24V to 15V."
      },
      {
        "number": "5",
        "name": "ADJ",
        "type": "input",
        "description": "Feedback input receiving 1.24V from the external resistor divider, VOUT=1.242×(R1/R2+1)."
      },
      {
        "number": "6",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: The datasheet lists TAB as connected to GND together with pin 3 (\"3, TAB\"). The TAB is not modeled a; The datasheet gives inconsistent input voltage ranges: +2.8V to +16V in the pin description, 3V to 1; The ordering table lists IFX1963S/TR as TO-263-5. The MPN IFX1963S is assumed to be this variant."
        ],
        "pages_sent": 17,
        "cost_usd": 0.0785,
        "at": "2026-10-23T03:32:12"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c74a880491ef2675d0f193fdf9670e5f.pdf",
        "pages": 17,
        "sha256": "a0494af0d04250de",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ifx1963s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15,
          10,
          4.42
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ifx1963s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15,
          10,
          4.42
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1e184a13ff8ca0313b96c4a516e51698b441e36f2681b30b09b76b48ee3e7d45",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "TO-263-5L",
      "Category": "Power Supply Chip",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a0494af0d04250def9c07217e4316ddeb8678fdf9a77b22f4e934920034f2dd7",
      "rows": [
        {
          "name": "Output Voltage Accuracy",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "100mA ≤ IOUT ≤ 3A, (VOUT + 1V) ≤ VIN ≤ 16V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.1,
          "max": 0.5,
          "conditions": "IOUT = 100mA, (VOUT + 1V) ≤ VIN ≤ 16V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": 1,
          "conditions": "VIN = VOUT + 1V, 100mA ≤ IOUT ≤ 3A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 80,
          "max": 200,
          "conditions": "IOUT = 100mA, ΔVOUT = -1%",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 450,
          "max": 800,
          "conditions": "IOUT = 3A, ΔVOUT = -1%",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ground Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 60,
          "max": 150,
          "conditions": "IOUT = 3A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 3,
          "max": 4,
          "conditions": "VOUT = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Voltage Low (OFF)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Voltage High (ON)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable Input Voltage",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max = VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 245,
          "conditions": "soldering 10sec, TO-220/TO-263",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case TO-263",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "TO-263",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "en",
          "kind": "electrical",
          "unit": "µV (rms)",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "10Hz to 100kHz, IL = 100mA, CL = 10µF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "en",
          "kind": "electrical",
          "unit": "µV (rms)",
          "min": null,
          "typ": 260,
          "max": null,
          "conditions": "10Hz to 100kHz, IL = 100mA, CL = 33µF",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ifx1963s"
  ],
  "discovery_pitch": "IFX1963S (HGSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ifx1963s.kicad_sym",
    "ifx1963s.kicad_mod",
    "ifx1963s.glb",
    "ifx1963s.step",
    "ifx1963s.lbr",
    "docs/hero.png",
    "docs/ifx1963s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ifx1963s-hero.glb",
    "ifx1963s-hero.overlay.json",
    "ifx1963s-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}