MCP1640BT-I

{
  "slug": "mcp1640bt-i",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech DC-DC Converters, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "mcp1640bt-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp1640bt-i.kicad_sym",
    "mcp1640bt-i.kicad_mod",
    "mcp1640bt-i.glb",
    "mcp1640bt-i.step",
    "mcp1640bt-i.lbr",
    "docs/hero.png",
    "docs/mcp1640bt-i-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp1640bt-i-hero.glb",
    "mcp1640bt-i-hero.overlay.json",
    "mcp1640bt-i-etched.glb"
  ],
  "component": {
    "mpn": "MCP1640BT-I",
    "manufacturer": "Microchip Tech",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226850682609664",
    "parts": {
      "symbol": "mcp1640bt-i.kicad_sym",
      "footprint": "mcp1640bt-i.kicad_mod",
      "model_3d": "mcp1640bt-i-hero.glb",
      "model_3d_plain": "mcp1640bt-i-etched.glb",
      "model_3d_step": "mcp1640bt-i-etched.step",
      "model_3d_step_plain": "mcp1640bt-i.step",
      "lbr": "mcp1640bt-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C478087"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T17:12:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Switch node and boost inductor input pin; connect the inductor from VIN to SW, and SW carries inductor current up to 800 mA peak."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground or return pin for the circuit; keep the trace from the input cap return, output cap return and GND pin as short as possible to minimize noise, and the SOT-23-6 package uses this single ground pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Logic-level enable input: a logic high above 90% of VIN enables the regulator output, and a logic low below 20% of VIN ensures the regulator is disabled."
      },
      {
        "number": "4",
        "name": "VFB",
        "type": "input",
        "description": "Feedback voltage pin used with an external resistor divider to set output regulation, with feedback voltage of 1.21V typical in regulation."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output voltage pin that connects the integrated P-Channel MOSFET to the output capacitor, and the feedback divider is also connected to this pin for voltage regulation."
      },
      {
        "number": "6",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input voltage pin; the input source should be decoupled to 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-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 types (KiCad ERC classes) are not stated in the datasheet; they were assigned from each pin's fu; The datasheet covers several variants (MCP1640/B/C/D) in both SOT-23-6 and 2x3 DFN-8 packages. Only "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0474,
        "at": "2026-10-17T17:10:08"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226850682609664",
        "pages": 32,
        "sha256": "15fab187ccc7397e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mcp1640bt-i.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": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp1640bt-i-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": "64c3a1649bdf1509587fc495a50dc1d5c7519654a8b4d74598828ab9c3ad1a07",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}