SI8271GB-ISR

{
  "slug": "si8271gb-isr",
  "version": "0.1.0",
  "type": "component",
  "description": "Skyworks Solutions Gate Drivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "si8271gb-isr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "si8271gb-isr.kicad_sym",
    "si8271gb-isr.kicad_mod",
    "si8271gb-isr.glb",
    "si8271gb-isr.step",
    "si8271gb-isr.lbr",
    "docs/hero.png",
    "docs/si8271gb-isr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "si8271gb-isr-hero.glb",
    "si8271gb-isr-hero.overlay.json",
    "si8271gb-isr-etched.glb"
  ],
  "component": {
    "mpn": "SI8271GB-ISR",
    "manufacturer": "Skyworks Solutions",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603011074686009344",
    "parts": {
      "symbol": "si8271gb-isr.kicad_sym",
      "footprint": "si8271gb-isr.kicad_mod",
      "model_3d": "si8271gb-isr-hero.glb",
      "model_3d_plain": "si8271gb-isr-etched.glb",
      "model_3d_step": "si8271gb-isr-etched.step",
      "model_3d_step_plain": "si8271gb-isr.step",
      "lbr": "si8271gb-isr.lbr"
    },
    "distributor_links": {
      "lcsc": "C17274665"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:20:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VI",
        "type": "input",
        "description": "Digital driver control signal input, TTL-level compatible with >400 mV hysteresis, VIH min 2.0 V and VIL max 0.8 V."
      },
      {
        "number": "2",
        "name": "VDDI",
        "type": "power_in",
        "description": "Input side power supply, specified at 2.5-5.5 V."
      },
      {
        "number": "3",
        "name": "GNDI",
        "type": "power_in",
        "description": "Input side ground."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Dedicated enable input; shutdown time from enable false and restart time from enable true are each 60 ns max."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Driver side ground; driver outputs can be grounded to the same or a separate ground from the input side."
      },
      {
        "number": "6",
        "name": "VO-",
        "type": "output",
        "description": "Gate drive pull-low output with separate pull-up/down paths for slew-rate control; peak output current 4.0 A (tPW 10 µs, duty cycle 0.2%)."
      },
      {
        "number": "7",
        "name": "VO+",
        "type": "output",
        "description": "Gate drive pull-high output with separate pull-up/down paths for slew-rate control; peak output current 4.0 A (tPW 10 µs, duty cycle 0.2%) and voltage limited to VDD + 0.5 V max."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Driver side power supply, specified at 4.2-30 V with an absolute maximum of 36 V."
      }
    ],
    "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 requested MPN SI8271GB-ISR is the tape-and-reel ordering option (per Ordering Guide note 3) of S; The datasheet's pin table gives names and functions only, not per-pin limits. Voltage and current li"
        ],
        "pages_sent": 25,
        "cost_usd": 0.0974,
        "at": "2026-10-18T23:20:19"
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      "datasheet": {
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        "pages": 47,
        "sha256": "9b13c1864576d860",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "si8271gb-isr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cd123ed01f2d6f1176f6e8c31314ef3a137bb3915221486e9c652aa43fc5a89a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}