MCP73123-22SI

{
  "slug": "mcp73123-22si",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Battery Management ICs, DFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "mcp73123-22si",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
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    "page.json",
    "README.md",
    "mcp73123-22si.kicad_sym",
    "mcp73123-22si.kicad_mod",
    "mcp73123-22si.glb",
    "mcp73123-22si.step",
    "mcp73123-22si.lbr",
    "docs/hero.png",
    "docs/mcp73123-22si-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp73123-22si-hero.glb",
    "mcp73123-22si-hero.overlay.json",
    "mcp73123-22si-etched.glb"
  ],
  "component": {
    "mpn": "MCP73123-22SI",
    "manufacturer": "Microchip Tech",
    "package": "DFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3f21f3afc81b4ed9aaf21a7a2fadf1a3.pdf",
    "parts": {
      "symbol": "mcp73123-22si.kicad_sym",
      "footprint": "mcp73123-22si.kicad_mod",
      "model_3d": "mcp73123-22si-hero.glb",
      "model_3d_plain": "mcp73123-22si-etched.glb",
      "model_3d_step": "mcp73123-22si-etched.step",
      "model_3d_step_plain": "mcp73123-22si.step",
      "lbr": "mcp73123-22si.lbr"
    },
    "distributor_links": {
      "lcsc": "C88544"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:27:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Battery management input supply; for MCP73123 the recommended range is [VREG (typ) + 0.3V] to 6.0V, with at least 1 µF bypass to VSS and an absolute maximum of 18V."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Battery management input supply; for MCP73123 the recommended range is [VREG (typ) + 0.3V] to 6.0V, with at least 1 µF bypass to VSS and an absolute maximum of 18V."
      },
      {
        "number": "3",
        "name": "VBAT",
        "type": "power_out",
        "description": "Battery charge control output, connected to the positive battery terminal, with at least 1 µF bypass to VSS; MCP73123 regulates it to 3.6V."
      },
      {
        "number": "4",
        "name": "VBAT",
        "type": "power_out",
        "description": "Battery charge control output, connected to the positive battery terminal, with at least 1 µF bypass to VSS; MCP73123 regulates it to 3.6V."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave unconnected."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave unconnected."
      },
      {
        "number": "7",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain charge status output for driving an LED or a host MCU pull-up, with sink current of 20 mA to 35 mA and VOL of 0.5V max at 4 mA."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Battery management 0V reference, connected to the battery negative terminal and the input supply ground."
      },
      {
        "number": "9",
        "name": "VSS",
        "type": "power_in",
        "description": "Battery management 0V reference, connected to the battery negative terminal and the input supply ground."
      },
      {
        "number": "10",
        "name": "PROG",
        "type": "bidirectional",
        "description": "Sets the fast-charge current through a resistor to VSS (1 kΩ to 21 kΩ range), and an applied impedance of about 200 kΩ disables charging."
      },
      {
        "number": "11",
        "name": "EP",
        "type": "passive",
        "description": "Exposed thermal pad that should be connected to a copper area on the PCB, with vias added to improve heat dissipation."
      }
    ],
    "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": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 34,
        "cost_usd": 0.0016,
        "at": "2026-10-27T01:26:49"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3f21f3afc81b4ed9aaf21a7a2fadf1a3.pdf",
        "pages": 34,
        "sha256": "1d12d2cfd2da7433",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp73123-22si-etched.step",
        "role": "eda",
        "up": "Z",
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  }
}