SGM811-SXKA4

{
  "slug": "sgm811-sxka4",
  "version": "0.1.0",
  "type": "component",
  "description": "SGMICRO Supervisor And Reset ICs, SOT-143. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "sgm811-sxka4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sgm811-sxka4.kicad_sym",
    "sgm811-sxka4.kicad_mod",
    "sgm811-sxka4.glb",
    "sgm811-sxka4.step",
    "sgm811-sxka4.lbr",
    "docs/hero.png",
    "docs/sgm811-sxka4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sgm811-sxka4-hero.glb",
    "sgm811-sxka4-hero.overlay.json",
    "sgm811-sxka4-etched.glb"
  ],
  "component": {
    "mpn": "SGM811-SXKA4",
    "manufacturer": "SGMICRO",
    "package": "SOT-143",
    "pin_count": 4,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586198858761687040",
    "parts": {
      "symbol": "sgm811-sxka4.kicad_sym",
      "footprint": "sgm811-sxka4.kicad_mod",
      "model_3d": "sgm811-sxka4-hero.glb",
      "model_3d_plain": "sgm811-sxka4-etched.glb",
      "model_3d_step": "sgm811-sxka4-etched.step",
      "model_3d_step_plain": "sgm811-sxka4.step",
      "lbr": "sgm811-sxka4.lbr"
    },
    "distributor_links": {
      "lcsc": "C79888"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T22:42:15Z",
      "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": "Ground reference for the supervisor."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "output",
        "description": "Active-low logic output (SGM811) that remains low while VCC is below the reset threshold or while MR is low, and stays low for at least 150 ms after VCC rises above the reset threshold; it remains valid (low) down to VCC = 1 V."
      },
      {
        "number": "3",
        "name": "MR",
        "type": "input",
        "description": "Active-low manual reset input with debounce that ignores pulses of 100 ns or less (typical) and accepts pulses longer than 10 μs; leave floating when not used."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply voltage that is monitored; the device operates from 1.2 V to 5.5 V over -40 ℃ to +125 ℃ (absolute maximum -0.3 V to 6 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 SOT-143 variant has only four pins. The SGM811 has no NC pin in SOT-143 (the NC pin is only in t; The datasheet text does not preserve the overbar on RESET, so the active-low polarity is taken from ; The SOT-143 pin configuration drawing text on page 1 is ambiguous about pin order. The pin number as"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0561,
        "at": "2026-10-17T22:40:00"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586198858761687040",
        "pages": 12,
        "sha256": "474c8a5e58193a41",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sgm811-sxka4.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.3,
          2.9,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b35b433c0dc71ac416a9c731e744d2e0610f82ebe97275830f0e17cdcbe44512",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sgm811-sxka4-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.3,
          2.9,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6cec4293b18f2c5112c898863eb08e727b5ec032788612866fc532b853b9075f",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}