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Ray Set visibility: public bfbdc58 17d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "dio54270tst6",
  "title": "DIO54270TST6",
  "brief": "DIOO DC-DC Converters, TSOT-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",
    "power management (pmic)",
    "dio54270tst6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DIO54270TST6",
    "manufacturer": "DIOO",
    "package": "TSOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226169313730560",
    "parts": {
      "symbol": "dio54270tst6.kicad_sym",
      "footprint": "dio54270tst6.kicad_mod",
      "model_3d": "dio54270tst6-hero.glb",
      "model_3d_plain": "dio54270tst6-etched.glb",
      "model_3d_step": "dio54270tst6-etched.step",
      "model_3d_step_plain": "dio54270tst6.step",
      "lbr": "dio54270tst6.lbr"
    },
    "distributor_links": {
      "lcsc": "C2990566"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T09:10:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Inductor pin; connect to the switching node of the inductor."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input, 4.5V to 28V operating range (30V absolute maximum supply)."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Output feedback pin; connect to the center point of the output resistor divider to program VOUT=0.8*(1+R1/R2), with optional 10pF~47pF C2 to speed up transient response."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable control; pull high to turn on and do not float (rising threshold 1.5V, falling threshold 0.4V)."
      },
      {
        "number": "6",
        "name": "BS",
        "type": "passive",
        "description": "Bootstrap pin; connect a capacitor (0.1µF recommended) and a resistor between SW and BS to form a floating supply across the high-side switch driver."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.2543,
        "at": "2026-10-18T09:09:13"
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        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226169313730560",
        "pages": 10,
        "sha256": "116b874f6e5de025",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "dio54270tst6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          0.95
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1007b8f67a3e81e2c5182bfd1fd27afe4d8d3710e0bfa1a14b8a91db8b595eb5",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dio54270tst6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "703b652ac0695b89913bb82d0f82114700f15d8d88f2dc38c15cc1c9124a02cd",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "DIOO",
      "Package": "TSOT-23-6",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "appearance": {
      "contacts": {
        "quote": "1) It is desirable to maximize the PCB copper area connecting to GND pin to achieve the best thermal and",
        "page": 9,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "116b874f6e5de02596b00265538cb8ce854748766c221b5fe20843f53c77a10b"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "116b874f6e5de02596b00265538cb8ce854748766c221b5fe20843f53c77a10b",
      "rows": [
        {
          "name": "Supply Voltage (V+ – V-)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation, PD @ TA = 25°C, TSOT23-6",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "TA = 25°C, TSOT23-6",
          "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 Temperature Range (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range (recommended)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, junction-to-ambient",
          "symbol": "ӨJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 170,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, junction-to-case",
          "symbol": "ӨJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.788,
          "typ": 0.8,
          "max": 0.812,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB Input Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VFB=VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 140,
          "conditions": "IOUT=0, VFB=VREF ⋅ 105%",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "EN=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Top FET RON",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Bottom FET RON",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Bottom FET Valley Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Rising Threshold",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Falling Threshold",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input UVLO Threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ON Time",
          "symbol": "TON",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "VIN = 12V, VOUT = 1.2V, IOUT=1A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Min ON Time",
          "symbol": "",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Min OFF Time",
          "symbol": "",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Soft Start Time",
          "symbol": "TSS",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "THYS",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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  "discovery_triggers": [
    "dio54270tst6"
  ],
  "discovery_pitch": "DIO54270TST6 (DIOO) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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