MCP1321T-46LE

{
  "slug": "mcp1321t-46le",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Supervisor And Reset ICs, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "mcp1321t-46le",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp1321t-46le.kicad_sym",
    "mcp1321t-46le.kicad_mod",
    "mcp1321t-46le.glb",
    "mcp1321t-46le.step",
    "mcp1321t-46le.lbr",
    "docs/hero.png",
    "docs/mcp1321t-46le-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp1321t-46le-hero.glb",
    "mcp1321t-46le-hero.overlay.json",
    "mcp1321t-46le-etched.glb"
  ],
  "component": {
    "mpn": "MCP1321T-46LE",
    "manufacturer": "Microchip Tech",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589796301560193024",
    "parts": {
      "symbol": "mcp1321t-46le.kicad_sym",
      "footprint": "mcp1321t-46le.kicad_mod",
      "model_3d": "mcp1321t-46le-hero.glb",
      "model_3d_plain": "mcp1321t-46le-etched.glb",
      "model_3d_step": "mcp1321t-46le-etched.step",
      "model_3d_step_plain": "mcp1321t-46le.step",
      "lbr": "mcp1321t-46le.lbr"
    },
    "distributor_links": {
      "lcsc": "C625297"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T22:41:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RST",
        "type": "output",
        "description": "Open-drain active-low reset output that goes low when VDD falls below VTRIP, when the WDI timer times out, or during power-up, and requires an external pull-up resistor on this device."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "3",
        "name": "RST",
        "type": "output",
        "description": "Push-pull active-high reset output that goes high when VDD falls below VTRIP, when the WDI timer times out, or during power-up, and is driven low after the reset delay expires."
      },
      {
        "number": "4",
        "name": "WDI",
        "type": "input",
        "description": "Watchdog timer input (Schmitt trigger) where an edge transition resets the WDT counter, the first falling edge starts it, and the standard time-out is 1.6 s typical."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for the device, which is also the voltage monitored by the reset comparator; the device operates from 1.0 V to 5.5 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: Pin 1 is an open-drain output with no internal pull-up on MCP1321; the datasheet notes the internal ; For MCP1321 pin 3 is the push-pull active-high RST output, not the MR input. The MR input is listed ; The datasheet does not give a pin-level MR input for MCP1321, and no separate specs were requested b"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0664,
        "at": "2026-10-17T22:39:27"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589796301560193024",
        "pages": 54,
        "sha256": "f313bca289b277f3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "mcp1321t-46le.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp1321t-46le-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2db47accb0513562f266d2084672db4d7507a104554d5d9fdf0813c32fe76e6b",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}