MCP1661T-E

{
  "slug": "mcp1661t-e",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "mcp1661t-e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp1661t-e.kicad_sym",
    "mcp1661t-e.kicad_mod",
    "mcp1661t-e.glb",
    "mcp1661t-e.step",
    "mcp1661t-e.lbr",
    "docs/hero.png",
    "docs/mcp1661t-e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp1661t-e-hero.glb",
    "mcp1661t-e-hero.overlay.json",
    "mcp1661t-e-etched.glb"
  ],
  "component": {
    "mpn": "MCP1661T-E",
    "manufacturer": "Microchip Tech",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/20005315B.pdf",
    "parts": {
      "symbol": "mcp1661t-e.kicad_sym",
      "footprint": "mcp1661t-e.kicad_mod",
      "model_3d": "mcp1661t-e-hero.glb",
      "model_3d_plain": "mcp1661t-e-etched.glb",
      "model_3d_step": "mcp1661t-e-etched.step",
      "model_3d_step_plain": "mcp1661t-e.step",
      "lbr": "mcp1661t-e.lbr"
    },
    "distributor_links": {
      "lcsc": "C511301"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T02:58:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "passive",
        "description": "Switch node connecting the boost inductor to the internal N-channel switch drain, carrying inductor current up to 1.3A peak."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin for circuit ground; keep traces from input and output capacitor returns to this pin as short as possible."
      },
      {
        "number": "3",
        "name": "VFB",
        "type": "input",
        "description": "Feedback voltage pin for output regulation via a resistor divider, with VFB typically 1.227V."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Logic-level enable input; logic high (>85% of VIN) enables the regulator and logic low (<7.5% of VIN) disables it and lowers quiescent current."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage pin, to be decoupled from GND with a 4.7 µF minimum capacitor."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 7,
        "cost_usd": 0.0495,
        "at": "2026-10-23T02:58:04"
      },
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/20005315B.pdf",
        "pages": 34,
        "sha256": "4ee52900f5f449c6",
        "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": [
      {
        "file": "mcp1661t-e.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp1661t-e-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": "b7b4858a8dc4484afc8a61ff1beaf07079620ba78557f7586626c965df8b76fe",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}