MCP73833-FCI

{
  "slug": "mcp73833-fci",
  "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",
    "mcp73833-fci",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "path": "docs/hero.png"
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    "mcp73833-fci.step",
    "mcp73833-fci.lbr",
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    "docs/mcp73833-fci-datasheet.pdf",
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  "component": {
    "mpn": "MCP73833-FCI",
    "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/18bec472a8fe319ca20e5d3a916e6342.pdf",
    "parts": {
      "symbol": "mcp73833-fci.kicad_sym",
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      "lbr": "mcp73833-fci.lbr"
    },
    "distributor_links": {
      "lcsc": "C511320"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:37:31Z",
      "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; a supply of [VREG (typical) + 0.3V] to 6V is recommended, bypassed to VSS with a minimum of 1 µF."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Battery management input supply; a supply of [VREG (typical) + 0.3V] to 6V is recommended, bypassed to VSS with a minimum of 1 µF."
      },
      {
        "number": "3",
        "name": "STAT1",
        "type": "output",
        "description": "Open-drain charge status output for connection to an LED, or with a pull-up resistor for interfacing to a host microcontroller."
      },
      {
        "number": "4",
        "name": "STAT2",
        "type": "output",
        "description": "Open-drain charge status output for connection to an LED, or with a pull-up resistor for interfacing to a host microcontroller."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Battery management 0V reference, connected to the negative terminal of the battery and input supply."
      },
      {
        "number": "6",
        "name": "PROG",
        "type": "passive",
        "description": "Current regulation set: a resistor from PROG to VSS scales the preconditioning, fast charge and termination currents, and floating the pin disables the charge controller."
      },
      {
        "number": "7",
        "name": "PG",
        "type": "output",
        "description": "MCP73833 power good pseudo open-drain output that sinks but cannot source current, should only be pulled up to the input, and is low when the input is above the UVLO threshold and greater than the battery voltage (this pin is TE timer enable on the MCP73834)."
      },
      {
        "number": "8",
        "name": "THERM",
        "type": "input",
        "description": "Thermistor input with an internal 50 µA bias source for 10 kΩ NTC thermistors, compared against factory-set thresholds of 1.20V and 0.25V typical."
      },
      {
        "number": "9",
        "name": "VBAT",
        "type": "power_out",
        "description": "Battery charge control output connected to the positive battery terminal (drain of the internal P-channel pass transistor), bypassed to VSS with a minimum of 1 µF for loop stability when the battery is disconnected."
      },
      {
        "number": "10",
        "name": "VBAT",
        "type": "power_out",
        "description": "Battery charge control output connected to the positive battery terminal (drain of the internal P-channel pass transistor), bypassed to VSS with a minimum of 1 µF for loop stability when the battery is disconnected."
      },
      {
        "number": "11",
        "name": "EP",
        "type": "power_in",
        "description": "Exposed thermal pad with an internal electrical connection to VSS; it must be connected to the same potential as VSS."
      }
    ],
    "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": [
          "extractor flagged: The datasheet's marking table lists MCP73833-FCI/MF as the DFN-10 (3x3) variant and /UN as MSOP-10. ; The pin table text on page 11 is garbled, with pin numbers merged into the symbol column. The pin as"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0759,
        "at": "2026-10-23T03:37:22"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/18bec472a8fe319ca20e5d3a916e6342.pdf",
        "pages": 32,
        "sha256": "c7fe3f17750ca7fd",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "seat": "z = 0",
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        "zmin_mm": 0.0,
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}