MCP120T-300I

{
  "schema_version": 1,
  "type": "component",
  "slug": "mcp120t-300i",
  "title": "MCP120T-300I",
  "brief": "Microchip Tech Supervisor And Reset ICs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "mcp120t-300i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MCP120T-300I",
    "manufacturer": "Microchip Tech",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590218430046769152",
    "parts": {
      "symbol": "mcp120t-300i.kicad_sym",
      "footprint": "mcp120t-300i.kicad_mod",
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      "model_3d_plain": "mcp120t-300i-etched.glb",
      "model_3d_step": "mcp120t-300i-etched.step",
      "model_3d_step_plain": "mcp120t-300i.step",
      "lbr": "mcp120t-300i.lbr"
    },
    "distributor_links": {
      "lcsc": "C625180"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:49:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RST",
        "type": "output",
        "description": "Active-low open-drain RESET output (MCP120, no internal pull-up) asserted whenever VDD is below the trip point (2.85 V to 3.00 V for -300) and held for 350 ms typical (150 to 700 ms) after VDD rises above it."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage and monitored input, operating range 1.0 V to 5.5 V, absolute maximum 7.0 V, with a 0.1 µF bypass capacitor recommended close to the pin."
      },
      {
        "number": "3",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT-23-3 pinout drawing on page 1 shows RST and VDD on one side and VSS on the other, but the pi; The part marking table lists MCP120T-300I/TT, so the 'TT' SOT-23-3 package is the one this MPN is so",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 16,
        "cost_usd": 0.2362,
        "at": "2026-10-18T02:48:16"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590218430046769152",
        "pages": 16,
        "sha256": "4a71b5087051894f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "mcp120t-300i.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "file": "mcp120t-300i-etched.step",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "040892fb9f2e51ba991a9a7d59a99fc6660b1c5179d2275f10a9bd956d64a864",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOT-23",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "8-Lead Plastic Small Outline (SN) – Narrow, 150 mil (SOIC Foot Angle φ 048048",
        "page": 9,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "4a71b5087051894f5b8a696c039152071bf6f1419520dbb93e55caf7390fece8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4a71b5087051894f5b8a696c039152071bf6f1419520dbb93e55caf7390fece8",
      "rows": [
        {
          "name": "VDD Trip Point (MCP1X0-300 variant)",
          "symbol": "VTRIP",
          "kind": "electrical",
          "unit": "V",
          "min": 2.85,
          "typ": 2.925,
          "max": 3,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VDD Detect to RESET Inactive",
          "symbol": "tRPU",
          "kind": "timing",
          "unit": "ms",
          "min": 150,
          "typ": 350,
          "max": 700,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Voltage Range",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VDD Value to RESET",
          "symbol": "VDDMIN",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 45,
          "max": 60,
          "conditions": "VDD = 5.5V (no load)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "RESET Low Level Output Voltage (MCP1X0-270/300/315 columns)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOL = 3.2 mA, VDD = VTRIPMIN",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range (Industrial)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Industrial (I) grade",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "All inputs and outputs w.r.t. VSS (lower limit)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.6,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VDD + 1.0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature with Power Applied",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Protection on All Pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "Printed as ≥ 2 kV; model not stated",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "MCP120T-300I (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}