HT1482ARZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "ht1482arz",
  "title": "HT1482ARZ",
  "brief": "HTCSEMI DC-DC Converters, SOP-8. 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)",
    "ht1482arz",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "HT1482ARZ",
    "manufacturer": "HTCSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590208088181026816",
    "parts": {
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      "model_3d_plain": "ht1482arz-etched.glb",
      "model_3d_step": "ht1482arz-etched.step",
      "model_3d_step_plain": "ht1482arz.step",
      "lbr": "ht1482arz.lbr"
    },
    "distributor_links": {
      "lcsc": "C2928814"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T19:02:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BS",
        "type": "power_out",
        "description": "Bootstrap pin that acts as the positive rail for the high-side switch gate driver, with a 0.01uF capacitor connected between BS and SW."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, to be bypassed to GND with a low ESR capacitor; the datasheet specifies an input supply range of 4.5V to 27V."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Switch output pin, connected to the switching end of the inductor."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input regulated to 0.925V, connected to the resistor divider between output and ground to set the output voltage."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation pin for the feedback loop, with networks defined in the Stability Compensation section."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input that turns the IC on above 2.7V and off below 1.1V; it must not be left open and a 100KΩ pull-up to Vin is recommended for startup."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start control input where a capacitor from SS to GND sets the soft-start period (0.1uF gives 15ms), and leaving it unconnected disables soft-start."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for BS, SW, COMP and SS are not stated explicitly in the datasheet; they were assigned fro; The 'Pin Assignments' section is a graphic that is not present in the extracted text. Pin numbers 1-"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0421,
        "at": "2026-10-17T19:00:22"
      },
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        "pages": 12,
        "sha256": "52e332ba257088b9",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "checked": "2026-10-17",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "SOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "52e332ba257088b92867604ba7e522990b8f9c694c147e618ee16fdbcd773011",
      "rows": [
        {
          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": 0.925,
          "max": 0.95,
          "conditions": "4.5V ≤ VIN ≤ 27V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Shutdown Threshold Voltage",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": 1.4,
          "max": 2,
          "conditions": "VEN Rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Lockout Threshold Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 2.5,
          "max": 2.7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input UVLO Threshold Rising",
          "symbol": "UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": 4.05,
          "max": 4.4,
          "conditions": "VEN Rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 27,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 125,
          "conditions": "",
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        },
        {
          "name": "Input Supply Voltage",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "SW Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN, FB, COMP Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction to Ambient Thermal Resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 87,
          "max": null,
          "conditions": "Test on approximately 3 in2 copper area 1oz copper FR4 board",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "HT1482ARZ (HTCSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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