main
Ray Set visibility: public 5de1837 10d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "xc9271b085qr-g",
  "title": "XC9271B085QR-G",
  "brief": "Torex Semicon DC-DC Converters, ESOP-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": [
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    "power management ics",
    "xc9271b085qr-g",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "XC9271B085QR-G",
    "manufacturer": "Torex Semicon",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5994a528fe408540cfaa75ea69a3f672.pdf",
    "parts": {
      "symbol": "xc9271b085qr-g.kicad_sym",
      "footprint": "xc9271b085qr-g.kicad_mod",
      "model_3d": "xc9271b085qr-g-hero.glb",
      "model_3d_plain": "xc9271b085qr-g-etched.glb",
      "model_3d_step": "xc9271b085qr-g-etched.step",
      "model_3d_step_plain": "xc9271b085qr-g.step",
      "lbr": "xc9271b085qr-g.lbr"
    },
    "distributor_links": {
      "lcsc": "C2477695",
      "digikey": "893-1247-2-ND",
      "mouser": "865-XC9271B085QR-G"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T02:24:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "893-1247-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "865-XC9271B085QR-G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input for the IC, with an operating voltage range of 7V to 30V and an absolute maximum VIN pin voltage of -0.3V to +36V."
      },
      {
        "number": "2",
        "name": "CE",
        "type": "input",
        "description": "Chip enable: L selects stand-by and H selects active operation, with CE 'H' voltage 2.8V to 30V and 'L' voltage up to 1V, and the pin must not be left open."
      },
      {
        "number": "3",
        "name": "SYNC",
        "type": "input",
        "description": "External clock sync pin: L runs at the internal clock frequency and H with a CLK signal synchronizes to an external clock within ±25% of the free running frequency, and the pin must not be left open."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Output voltage sense input referenced to a 0.8V (±2%) reference, with the output adjustable from 1.2V to 12V via external resistors and an absolute maximum pin voltage of -0.3V to +6.5V."
      },
      {
        "number": "5",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start adjustment pin where the soft-start time is set by an external capacitor, with an absolute maximum pin voltage of -0.3V to +6.5V."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all voltages in the datasheet; the dissipation pad must be connected to this pin (No. 6)."
      },
      {
        "number": "7",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap pin that drives the internal Nch driver transistor, with an absolute maximum voltage of VLX+6.5V or +36V and a minimum of VLX-0.3V."
      },
      {
        "number": "8",
        "name": "Lx",
        "type": "output",
        "description": "Switching output pin with a maximum Lx pin current of 4.2A and an absolute maximum voltage of -0.3V to VIN+0.3V or +36V."
      },
      {
        "number": "9",
        "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-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0451,
        "at": "2026-10-29T02:23:51"
      },
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        "pages": 28,
        "sha256": "0fef93816d292884",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
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        "refuses_to_fabricate": true
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Torex Semicon",
      "Package": "ESOP-8",
      "Category": "Power Management ICs",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0fef93816d2928849b32b6ef06dc50ecf9377d58707cc31764095b09d9146bb4",
      "rows": [
        {
          "name": "FB Voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": 0.784,
          "typ": 0.8,
          "max": 0.816,
          "conditions": "VFB=0.816V→0.784V, VSS=6V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "FB Voltage Temperature Characteristics",
          "symbol": "ΔVFB/(ΔTopr·VFB)",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "-40℃≦Topr≦105℃",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Setting Range",
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          "name": "Operating Voltage Range",
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          "kind": "recommended_operating",
          "unit": "V",
          "min": 7,
          "typ": null,
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          "conditions": "",
          "source_page": 9,
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        {
          "name": "UVLO detect voltage",
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          "kind": "electrical",
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        {
          "name": "UVLO release voltage",
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          "min": 4.7,
          "typ": 5,
          "max": 5.3,
          "conditions": "VIN=4.7V→5.3V, VFB=0.65V, VSS=6V",
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        {
          "name": "Quiescent Current",
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          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 250,
          "max": 360,
          "conditions": "VIN=VCE=30V, VFB=0.95V",
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          "name": "Stand-by Current",
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          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "VIN=30V, VCE=0V, VSS=0V, VSYNC=0V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Oscillation Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 460,
          "typ": 500,
          "max": 540,
          "conditions": "Connected to external components, IOUT=300mA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "External Clock Signal Duty Cycle",
          "symbol": "DSYNC",
          "kind": "electrical",
          "unit": "%",
          "min": 25,
          "typ": null,
          "max": 75,
          "conditions": "Connected to external components, IOUT=0mA",
          "source_page": 9,
          "source": "datasheet"
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        {
          "name": "Maximum Duty Cycle",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": 83,
          "typ": 85,
          "max": 88,
          "conditions": "VFB=0.65V",
          "source_page": 9,
          "source": "datasheet"
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        {
          "name": "Minimum Duty Cycle",
          "symbol": "DMIN",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0,
          "conditions": "VFB=0.95V",
          "source_page": 9,
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        {
          "name": "PFM Switch Current",
          "symbol": "IPFM",
          "kind": "electrical",
          "unit": "mA",
          "min": 80,
          "typ": 160,
          "max": 240,
          "conditions": "Connected to external components, IOUT=0mA",
          "source_page": 9,
          "source": "datasheet"
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        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 2.4,
          "typ": 3.2,
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          "conditions": "VFB=0.65V, VSS=6V",
          "source_page": 9,
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          "name": "Short Detect Voltage",
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          "kind": "electrical",
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          "min": 0.35,
          "typ": 0.4,
          "max": 0.45,
          "conditions": "VFB=0.45V→0.35V, VSS=6V",
          "source_page": 9,
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        {
          "name": "Internal Soft-Start Time",
          "symbol": "tSS1",
          "kind": "electrical",
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          "min": 0.4,
          "typ": 0.7,
          "max": 1.2,
          "conditions": "VCE=0→12V, VSS=6V, VFB=VFB1×0.9V",
          "source_page": 9,
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          "name": "External Soft-Start Time",
          "symbol": "tSS2",
          "kind": "electrical",
          "unit": "ms",
          "min": 5,
          "typ": 9,
          "max": 15,
          "conditions": "VCE=0→12V, VSS=6V, VFB=VFB1×0.9V, CSS=0.01μF",
          "source_page": 9,
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        {
          "name": "SYNC 'H' Voltage",
          "symbol": "VSYNCH",
          "kind": "electrical",
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          "min": 1.5,
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          "conditions": "Connected to external components, IOUT=0mA",
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          "conditions": "Connected to external components, IOUT=0mA",
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          "name": "SYNC 'H' Current",
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          "kind": "electrical",
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          "min": -0.1,
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          "max": 0.1,
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          "min": -0.1,
          "typ": 0,
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          "conditions": "VIN=VCE=30V, VFB=6V, VSS=6V",
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          "kind": "electrical",
          "unit": "μA",
          "min": -0.1,
          "typ": 0,
          "max": 0.1,
          "conditions": "VIN=VCE=30V, VFB=0V, VSS=6V",
          "source_page": 9,
          "source": "datasheet"
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          "name": "CE 'H' Voltage",
          "symbol": "VCEH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": null,
          "max": 30,
          "conditions": "VCE=0.8V→2.8V, VFB=0.65V, VSS=6V",
          "source_page": 9,
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          "name": "CE 'L' Voltage",
          "symbol": "VCEL",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VCE=2.8V→0.8V, VFB=0.65V, VSS=6V",
          "source_page": 9,
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          "name": "CE 'H' Current",
          "symbol": "ICEH",
          "kind": "electrical",
          "unit": "μA",
          "min": -0.1,
          "typ": 0,
          "max": 0.1,
          "conditions": "VIN=VCE=30V, VFB=0.95V",
          "source_page": 9,
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          "name": "CE 'L' Current",
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          "kind": "electrical",
          "unit": "μA",
          "min": -0.1,
          "typ": 0,
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          "conditions": "VIN=30V, VCE=0V, VFB=0.95V",
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          "name": "VIN Pin Voltage",
          "symbol": "VIN",
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          "conditions": "Ta=25℃",
          "source_page": 5,
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          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1500,
          "conditions": "Ta=25℃, PCB mounted, reference only",
          "source_page": 5,
          "source": "datasheet"
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          "name": "Power Dissipation (JESD51-7 board)",
          "symbol": "Pd",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 2500,
          "conditions": "Ta=25℃, PCB mounted, reference only",
          "source_page": 5,
          "source": "datasheet"
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          "name": "Surge Voltage",
          "symbol": "VSURGE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 46,
          "conditions": "Applied Time≦400ms",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
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          "name": "Storage Temperature",
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          "kind": "absolute_maximum",
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          "typ": null,
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          "source_page": 5,
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  "discovery_pitch": "XC9271B085QR-G (Torex Semicon) 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",
    "xc9271b085qr-g.kicad_sym",
    "xc9271b085qr-g.kicad_mod",
    "xc9271b085qr-g.glb",
    "xc9271b085qr-g.step",
    "xc9271b085qr-g.lbr",
    "docs/hero.png",
    "docs/xc9271b085qr-g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xc9271b085qr-g-hero.glb",
    "xc9271b085qr-g-hero.overlay.json",
    "xc9271b085qr-g-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}