MIC2185YQS

{
  "slug": "mic2185yqs",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech DC-DC Controllers, QSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "mic2185yqs",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mic2185yqs.kicad_sym",
    "mic2185yqs.kicad_mod",
    "mic2185yqs.glb",
    "mic2185yqs.step",
    "mic2185yqs.lbr",
    "docs/hero.png",
    "docs/mic2185yqs-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mic2185yqs-hero.glb",
    "mic2185yqs-hero.overlay.json",
    "mic2185yqs-etched.glb"
  ],
  "component": {
    "mpn": "MIC2185YQS",
    "manufacturer": "Microchip Tech",
    "package": "QSOP-16-150mil",
    "pin_count": 16,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Controllers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/376790b594b74b1e2b28f90aced1640a.pdf",
    "parts": {
      "symbol": "mic2185yqs.kicad_sym",
      "footprint": "mic2185yqs.kicad_mod",
      "model_3d": "mic2185yqs-hero.glb",
      "model_3d_plain": "mic2185yqs-etched.glb",
      "model_3d_step": "mic2185yqs-etched.step",
      "model_3d_step_plain": "mic2185yqs.step",
      "lbr": "mic2185yqs.lbr"
    },
    "distributor_links": {
      "lcsc": "C512199",
      "digikey": "576-2162-ND",
      "mouser": "998-MIC2185YQS"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:21:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "576-2162-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "998-MIC2185YQS",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VINA",
        "type": "power_in",
        "description": "Input voltage to control circuitry, 2.9V to 14V."
      },
      {
        "number": "2",
        "name": "SKIP",
        "type": "input",
        "description": "Regulator operates in PWM mode when pulled low and in skip mode when raised to VDD; no automatic switching between modes."
      },
      {
        "number": "3",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start capacitor pin; a 5µA current source charges the capacitor up to VDD to slow the output voltage rise and reduce inrush current."
      },
      {
        "number": "4",
        "name": "COMP",
        "type": "output",
        "description": "Internal error amplifier output; connect a capacitor or series RC network to compensate the control loop."
      },
      {
        "number": "5",
        "name": "SGND",
        "type": "power_in",
        "description": "Small signal ground return, routed separately from other grounds to the (-) terminal of COUT."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that regulates FB to 1.245V."
      },
      {
        "number": "7",
        "name": "EN/UVLO",
        "type": "input",
        "description": "Enable/undervoltage lockout input; below 1.5V (typ) switching is disabled, below 0.9V (typ) the device enters micropower shutdown with under 0.5µA quiescent current, and the 1.5V UVLO threshold has 140mV hysteresis."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_out",
        "description": "1.245V reference output; connect a 0.1µF capacitor to SGND."
      },
      {
        "number": "9",
        "name": "CSH",
        "type": "input",
        "description": "Current sense (+) input to the current limit comparator and current amplifier; a built-in 100mV (typ) offset sets the current limit threshold with the sense resistor."
      },
      {
        "number": "10",
        "name": "VDD",
        "type": "power_out",
        "description": "3V internal linear-regulator output and chip supply bus; bypass to SGND with 1µF, maximum source current 0.5mA."
      },
      {
        "number": "11",
        "name": "SYNC",
        "type": "input",
        "description": "Frequency synchronization input; the leading edge of an external clock above 1.4V (typ) starts a switching cycle, connect to SGND if not used."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "MOSFET driver power ground return, connecting the bottom of the current sense resistor and the (-) terminal of CIN."
      },
      {
        "number": "13",
        "name": "OUTN",
        "type": "output",
        "description": "N-channel MOSFET gate drive output swinging from ground to VINP, with typical on-resistance of 5Ω."
      },
      {
        "number": "14",
        "name": "OUTP",
        "type": "output",
        "description": "Synchronous P-channel MOSFET gate drive output swinging from ground to VINP, with typical on-resistance of 5Ω."
      },
      {
        "number": "15",
        "name": "FREQ/2",
        "type": "input",
        "description": "Frequency divider input; low gives 400kHz oscillator frequency, raised to VDD gives 200kHz."
      },
      {
        "number": "16",
        "name": "VINP",
        "type": "power_in",
        "description": "Power input to the gate drive circuitry, 2.9V to 14V, typically connected to the output voltage to enhance gate drive."
      }
    ],
    "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: Pin types (e.g. SS as passive, COMP as output) are inferred from the descriptions; the datasheet doe"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0702,
        "at": "2026-10-27T01:20:38"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/376790b594b74b1e2b28f90aced1640a.pdf",
        "pages": 15,
        "sha256": "559d33d56583c4c1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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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": "14e9adcd9b6d1d5b282a866123ac59b68abf20b62a41cc9cecabd5c819d8f17d",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "file": "mic2185yqs-etched.step",
        "role": "eda",
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        "sha256": "32a394c0512b2a89a77b68ca7fd88d39d6714b86905d2510ea4f63ded91d0e5b",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}