CM1764

{
  "slug": "cm1764",
  "version": "0.1.0",
  "type": "component",
  "description": "iCM(创芯微) , SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "ic",
    "cm1764",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cm1764.kicad_sym",
    "cm1764.kicad_mod",
    "cm1764.glb",
    "cm1764.step",
    "cm1764.lbr",
    "docs/hero.png",
    "docs/cm1764-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cm1764-hero.glb",
    "cm1764-hero.overlay.json",
    "cm1764-etched.glb"
  ],
  "component": {
    "mpn": "CM1764",
    "manufacturer": "iCM(创芯微)",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603386724139474944",
    "parts": {
      "symbol": "cm1764.kicad_sym",
      "footprint": "cm1764.kicad_mod",
      "model_3d": "cm1764-hero.glb",
      "model_3d_plain": "cm1764-etched.glb",
      "model_3d_step": "cm1764-etched.step",
      "model_3d_step_plain": "cm1764.step",
      "lbr": "cm1764.lbr"
    },
    "distributor_links": {
      "lcsc": "C22446602"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T13:40:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin: the chip turns on when VDD rises to VDD_ON (15 to 17.5 V, typ. 16.5 V), shuts down when it falls to VDD_OFF (6.5 to 7.6 V, typ. 7 V), and VDD overvoltage protection acts at 40 to 47 V (typ. 43 V), with an absolute maximum of -0.3 to 45 V to GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the controller and the VDD supply."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input: the absolute maximum rating is -0.3 to 7 V, the overload protection threshold VOLP is 4.5 V (protection triggers after 40 ms above it), and the burst-mode threshold is 1.15 V."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense input for primary-side peak current limiting: the absolute maximum rating is -0.5 to 7 V, the per-cycle overcurrent threshold VOCPP is 0.676 to 0.764 V (typ. 0.72 V), and the leading-edge blanking time is 300 nS."
      },
      {
        "number": "5",
        "name": "Drain",
        "type": "passive",
        "description": "Drain of the internal 650 V power MOSFET, with a minimum drain-source breakdown voltage BVDSS of 650 V."
      },
      {
        "number": "6",
        "name": "Drain",
        "type": "passive",
        "description": "Drain of the internal 650 V power MOSFET, with a minimum drain-source breakdown voltage BVDSS of 650 V."
      },
      {
        "number": "7",
        "name": "Drain",
        "type": "passive",
        "description": "Drain of the internal 650 V power MOSFET, with a minimum drain-source breakdown voltage BVDSS of 650 V."
      },
      {
        "number": "8",
        "name": "Drain",
        "type": "passive",
        "description": "Drain of the internal 650 V power MOSFET, with a minimum drain-source breakdown voltage BVDSS of 650 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 datasheet lists pins 5, 6, 7 and 8 together as one Drain function. Each is reported separately w; The datasheet gives only the function 'GND' for pin 2 and no electrical limits. The description is k"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0352,
        "at": "2026-10-17T13:37:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603386724139474944",
        "pages": 11,
        "sha256": "6760bee48cce39cd",
        "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": "cm1764.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cm1764-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": "5d4d3bac993425fccdbd36014aebbffc2615b1698c7288d4da71e7783c22607b",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}