ISP452HUMA1

{
  "schema_version": 1,
  "type": "component",
  "slug": "isp452huma1",
  "title": "ISP452HUMA1",
  "brief": "Infineon Technologies Power Distribution Switches, 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",
    "power management (pmic)",
    "isp452huma1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ISP452HUMA1",
    "manufacturer": "Infineon Technologies",
    "package": "SOT-223-4",
    "pin_count": 4,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590387562117701632",
    "parts": {
      "symbol": "isp452huma1.kicad_sym",
      "footprint": "isp452huma1.kicad_mod",
      "model_3d": "isp452huma1-hero.glb",
      "model_3d_plain": "isp452huma1-etched.glb",
      "model_3d_step": "isp452huma1-etched.step",
      "model_3d_step_plain": "isp452huma1.step",
      "lbr": "isp452huma1.lbr"
    },
    "distributor_links": {
      "lcsc": "C3232295",
      "digikey": "ISP452HUMA1TR-ND",
      "mouser": "726-ISP452HUMA1"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T02:02:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ISP452HUMA1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "726-ISP452HUMA1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Protected high-side power output; leakage current is 2 µA typ and 5 µA max at Vin low and Tj = -40...+25 °C (7 µA at Tj = 150 °C), and the current limit is 0.7 to 2.4 A."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Logic ground; operating current IGND is 1 mA typ and 1.6 mA max at Vin = 5 V."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "input",
        "description": "Input that activates the power switch on a logical high signal; allowable input voltage range is -3.0 V to Vbb, with input current limited to ±5 mA."
      },
      {
        "number": "4",
        "name": "Vbb",
        "type": "power_in",
        "description": "Positive power supply voltage; operating voltage range is 5.0 V to 34 V, with a 40 V maximum supply voltage rating."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN ISP452HUMA1 does not appear in the datasheet. The only ordering code given is SP000219823 fo; The datasheet names the package PG-SOT 223 with 4 pins (1-4). The 'SOT-223-4' hint matches this, so "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0327,
        "at": "2026-10-21T01:59:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590387562117701632",
        "pages": 10,
        "sha256": "7340e8b1352f272f",
        "source_tier": "lcsc"
      },
      "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": "isp452huma1.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": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "isp452huma1-etched.step",
        "role": "eda",
        "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": "4b9a760944ca99a71342f45001773f8af06600055f818ace216492048d2a09d4",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Infineon Technologies",
      "Package": "SOT-223-4",
      "Category": "Power Management (PMIC)",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7340e8b1352f272f416d12832932ca166f9853fdc95a655ed5688841d7d15ec7",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "Vbb",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as Vbb",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum input current",
          "symbol": "IIN",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "At VIN > Vbb",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Inductive load switch-off energy dissipation, single pulse",
          "symbol": "EAS",
          "kind": "absolute_maximum",
          "unit": "J",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "IL = 0.5 A, Tj,start = 150°C (not tested, specified by design)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load dump protection",
          "symbol": "VLoad dump",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "RI=2 Ω, td=400ms, IN= low or high, UA= 13.5 V, RL= 24 Ω (not tested, specified by design)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load dump protection",
          "symbol": "VLoad dump",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "RI=2 Ω, td=400ms, IN= low or high, UA= 13.5 V, RL= 80 Ω (not tested, specified by design)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge capability (PIN 3)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "PIN 3 (HBM)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge capability (PIN 1,2,4)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "PIN 1,2,4 (HBM)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "Ta",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -30,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Max. power dissipation (DC)",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.8,
          "conditions": "TA = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance chip - soldering point",
          "symbol": "RthJS",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "chip - soldering point",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance chip - ambient",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "Device on epoxy pcb 40 mm x 40 mm x 1.5 mm with 6 cm2 copper area for Vbb connection",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "On-state resistance (pin 4 to 1)",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.16,
          "max": 0.2,
          "conditions": "IL = 0.5 A, Vin = high, Tj = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-state resistance (pin 4 to 1)",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IL = 0.5 A, Vin = high, Tj = 150°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Nominal load current (pin 4 to 1)",
          "symbol": "IL(ISO)",
          "kind": "electrical",
          "unit": "A",
          "min": 0.7,
          "typ": null,
          "max": null,
          "conditions": "ISO Standard: VON = Vbb - VOUT = 0.5 V, TS = 85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Turn-on time to 90% VOUT",
          "symbol": "ton",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 60,
          "max": 100,
          "conditions": "RL = 24 Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Turn-off time to 10% VOUT",
          "symbol": "toff",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 60,
          "max": 150,
          "conditions": "RL = 24 Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Slew rate on",
          "symbol": "dV/dton",
          "kind": "timing",
          "unit": "V/µs",
          "min": null,
          "typ": 2,
          "max": 4,
          "conditions": "10 to 30% VOUT, RL = 24 Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Slew rate off",
          "symbol": "-dV/dtoff",
          "kind": "timing",
          "unit": "V/µs",
          "min": null,
          "typ": 2,
          "max": 4,
          "conditions": "70 to 40% VOUT, RL = 24 Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Allowable input voltage range (pin 3 to 2)",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": null,
          "conditions": "Pin 3 to 2; upper limit printed as Vbb",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input turn-on threshold voltage",
          "symbol": "VIN(T+)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "Tj = -40...+150°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input turn-off threshold voltage",
          "symbol": "VIN(T-)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "Tj = -40...+150°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input threshold hysteresis",
          "symbol": "∆VIN(T)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Off state input current (pin 3)",
          "symbol": "IIN(off)",
          "kind": "electrical",
          "unit": "µA",
          "min": 10,
          "typ": null,
          "max": 60,
          "conditions": "VIN(off) = 1.2 V, Tj = -40...+150°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On state input current (pin 3)",
          "symbol": "IIN(on)",
          "kind": "electrical",
          "unit": "µA",
          "min": 10,
          "typ": null,
          "max": 100,
          "conditions": "VIN(on) = 3.0 V to Vbb, Tj = -40...+150°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 1.5,
          "typ": 2.8,
          "max": 3.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating voltage",
          "symbol": "Vbb(on)",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": 34,
          "conditions": "Tj = -40...+150°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage shutdown",
          "symbol": "Vbb(under)",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": 5,
          "conditions": "Tj = -40...+150°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage restart",
          "symbol": "Vbb(u rst)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6.5,
          "conditions": "Tj = -40...+25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage restart",
          "symbol": "Vbb(u rst)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "Tj = +150°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage restart of charge pump",
          "symbol": "Vbb(ucp)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 5.6,
          "max": 7,
          "conditions": "see diagram page 9",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage hysteresis",
          "symbol": "∆Vbb(under)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "∆Vbb(under) = Vbb(u rst) - Vbb(under)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Overvoltage shutdown",
          "symbol": "Vbb(over)",
          "kind": "electrical",
          "unit": "V",
          "min": 34,
          "typ": null,
          "max": 42,
          "conditions": "Tj = -40...+150°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Overvoltage restart",
          "symbol": "Vbb(o rst)",
          "kind": "electrical",
          "unit": "V",
          "min": 33,
          "typ": null,
          "max": null,
          "conditions": "Tj = -40...+150°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Overvoltage hysteresis",
          "symbol": "∆Vbb(over)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "Tj = -40...+150°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Standby current (pin 4)",
          "symbol": "Ibb(off)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 10,
          "max": 25,
          "conditions": "Vin = low, Tj = -40...+150°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating current (pin 2)",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 1.6,
          "conditions": "Vin = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Leakage current (pin 1)",
          "symbol": "IL(off)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "Vin = low, Tj = -40...+25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Leakage current (pin 1)",
          "symbol": "IL(off)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "Vin = low, Tj = 150°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current limit (pin 4 to 1)",
          "symbol": "IL(SC)",
          "kind": "electrical",
          "unit": "A",
          "min": 0.7,
          "typ": 1.5,
          "max": 2,
          "conditions": "Tj = 25°C, Vbb = 20V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Current limit (pin 4 to 1)",
          "symbol": "IL(SC)",
          "kind": "electrical",
          "unit": "A",
          "min": 0.7,
          "typ": null,
          "max": 2.4,
          "conditions": "Tj = -40...+150°C, Vbb = 20V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Overvoltage protection",
          "symbol": "Vbb(AZ)",
          "kind": "electrical",
          "unit": "V",
          "min": 41,
          "typ": null,
          "max": null,
          "conditions": "Ibb = 4mA, Tj = -40...+150°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output clamp (ind. load switch off)",
          "symbol": "VON(CL)",
          "kind": "electrical",
          "unit": "V",
          "min": 41,
          "typ": 47,
          "max": null,
          "conditions": "VOUT=Vbb-VON(CL), Ibb = 4mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal overload trip temperature",
          "symbol": "Tjt",
          "kind": "electrical",
          "unit": "°C",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal hysteresis",
          "symbol": "∆Tjt",
          "kind": "electrical",
          "unit": "K",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Inductive load switch-off energy dissipation",
          "symbol": "EAS",
          "kind": "electrical",
          "unit": "J",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "Tj, start = 150 °C, single pulse, IL = 0.5 A, Vbb = 12 V (not tested, specified by design)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Reverse battery (pin 4 to 2)",
          "symbol": "-Vbb",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Requires 150 Ω resistor in GND connection (not tested, specified by design)",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "isp452huma1"
  ],
  "discovery_pitch": "ISP452HUMA1 (Infineon Technologies) 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",
    "isp452huma1.kicad_sym",
    "isp452huma1.kicad_mod",
    "isp452huma1.glb",
    "isp452huma1.step",
    "isp452huma1.lbr",
    "docs/hero.png",
    "docs/isp452huma1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "isp452huma1-hero.glb",
    "isp452huma1-hero.overlay.json",
    "isp452huma1-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}