COS4425SR

{
  "slug": "cos4425sr",
  "version": "0.1.0",
  "type": "component",
  "description": "COSINE Gate Drive ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "cos4425sr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cos4425sr.kicad_sym",
    "cos4425sr.kicad_mod",
    "cos4425sr.glb",
    "cos4425sr.step",
    "cos4425sr.lbr",
    "docs/hero.png",
    "docs/cos4425sr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cos4425sr-hero.glb",
    "cos4425sr-hero.overlay.json",
    "cos4425sr-etched.glb"
  ],
  "component": {
    "mpn": "COS4425SR",
    "manufacturer": "COSINE",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "Gate Drive ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/385c592078f0993fd1cd90f30ad1f0fe.pdf",
    "parts": {
      "symbol": "cos4425sr.kicad_sym",
      "footprint": "cos4425sr.kicad_mod",
      "model_3d": "cos4425sr-hero.glb",
      "model_3d_plain": "cos4425sr-etched.glb",
      "model_3d_step": "cos4425sr-etched.step",
      "model_3d_step_plain": "cos4425sr.step",
      "lbr": "cos4425sr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5306798"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T06:44:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Pin 1 is a no-connection pin on the SOP-8 package, as stated in the pin description table."
      },
      {
        "number": "2",
        "name": "IN A",
        "type": "input",
        "description": "Input A is a high-impedance TTL/CMOS compatible input with 300mV of hysteresis that prevents output glitching on slow input edges."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground is the device return pin and should have a low-impedance connection to the bias supply return, since high peak current flows out of it when the load discharges."
      },
      {
        "number": "4",
        "name": "In B",
        "type": "input",
        "description": "Input B is a high-impedance TTL/CMOS compatible input with 300mV of hysteresis that prevents output glitching on slow input edges."
      },
      {
        "number": "5",
        "name": "OUT B",
        "type": "output",
        "description": "Output B is a low-impedance CMOS push-pull output that is held LOW when its input is unbiased or floating."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "VDD is the bias supply for the driver and is rated for 4.5V to 25V with respect to the Ground pin, with local ceramic bypass of 1.0μF suggested."
      },
      {
        "number": "7",
        "name": "OUT A",
        "type": "output",
        "description": "Output A is a low-impedance CMOS push-pull output that is held LOW when its input is unbiased or floating."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Pin 8 is a no-connection pin on the SOP-8 package, as stated in the pin description 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": [
          "extractor flagged: The SOP-8 variant (COS4425SR) has no exposed metal pad; the '-' PAD row on page 3 and the page 4 not; The page 3 function table has garbled column headers (OUTB appears twice for COS4425), so the pin-to"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0106,
        "at": "2026-10-27T06:44:19"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/385c592078f0993fd1cd90f30ad1f0fe.pdf",
        "pages": 8,
        "sha256": "eae8fe8c9cd4ca52",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cos4425sr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cos4425sr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a92668f51497f1eda36a962787d851aeb730bf0264451e23ab7eb4f226641aa1",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}