MIC2954-08YM

{
  "schema_version": 1,
  "type": "component",
  "slug": "mic2954-08ym",
  "title": "MIC2954-08YM",
  "brief": "Microchip Tech Power Management Specialized - PMIC, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power supply chip",
    "mic2954-08ym",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MIC2954-08YM",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "Power Management Specialized - PMIC",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/95016435f9ae4ee1aa2dc51faa326a15.pdf",
    "parts": {
      "symbol": "mic2954-08ym.kicad_sym",
      "footprint": "mic2954-08ym.kicad_mod",
      "model_3d": "mic2954-08ym-hero.glb",
      "model_3d_plain": "mic2954-08ym-etched.glb",
      "model_3d_step": "mic2954-08ym-etched.step",
      "model_3d_step_plain": "mic2954-08ym.step",
      "lbr": "mic2954-08ym.lbr"
    },
    "distributor_links": {
      "lcsc": "C637483",
      "digikey": "576-2250-ND",
      "mouser": "998-MIC2954-08YM"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:14:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "576-2250-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "998-MIC2954-08YM",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulator output; 5V fixed output when SNS and FB are strapped, or programmable from 1.24V to 29V with external resistors."
      },
      {
        "number": "2",
        "name": "SNS",
        "type": "input",
        "description": "Sense input at the output end of the internal resistive divider; connect to OUT for fixed 5V operation and not used in adjustable configuration."
      },
      {
        "number": "3",
        "name": "SHDN",
        "type": "input",
        "description": "Active-low shutdown input (low = enable, high = shutdown), absolute maximum -0.3V to +30V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "ERR",
        "type": "output",
        "description": "Open-collector active-low error flag output that goes low on an output undervoltage condition and needs an external pull-up (floating = normal), up to 30V."
      },
      {
        "number": "6",
        "name": "TAP",
        "type": "output",
        "description": "Resistive divider tap output, approximately 1.23V with 5V on SNS; connect to FB for 5V operation and not used in adjustable configuration."
      },
      {
        "number": "7",
        "name": "FB",
        "type": "input",
        "description": "Error amplifier feedback input compared to the internal 1.23V reference; connect to TAP for 5V operation or to an external divider for adjustable operation."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Supply input, operating range +2.0V to +30V (absolute maximum -20V to +60V)."
      }
    ],
    "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": 15,
        "cost_usd": 0.0974,
        "at": "2026-10-27T01:14:28"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/95016435f9ae4ee1aa2dc51faa326a15.pdf",
        "pages": 15,
        "sha256": "2625bfe2bb4285f6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mic2954-08ym.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mic2954-08ym-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9a812ef5a2048284e763df5e65d230fa386bc08baefb3b6c25fe8d1c1a134269",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-8",
      "Category": "Power Supply Chip",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "The MIC2954-07BM/-08BM (8-pin surface-mount pack￾age) has the following thermal characteristics when mounted on a single layer copper-clad printed circuit",
        "page": 11,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "2625bfe2bb4285f68cef371b7d9fab52a977bf57cf536d6fbcbb0325db915f95"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2625bfe2bb4285f68cef371b7d9fab52a977bf57cf536d6fbcbb0325db915f95",
      "rows": [
        {
          "name": "Output Voltage (±1%)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.95,
          "typ": 5,
          "max": 5.05,
          "conditions": "MIC2954-03/-08 (±1%), VIN=6V, IL=1mA, TJ=25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (±1%) over temperature",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": null,
          "max": 5.1,
          "conditions": "MIC2954-03/-08 (±1%), -40°C ≤ TJ ≤ +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (±1%) over load",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.88,
          "typ": 5,
          "max": 5.12,
          "conditions": "MIC2954-03/-08 (±1%), 1mA ≤ IL ≤ 250mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Temperature Coefficient",
          "symbol": "ΔVOUT/ΔT",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 20,
          "max": 150,
          "conditions": "MIC2954-03/-08 (±1%), Note 6",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVOUT/VOUT",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.03,
          "max": 0.2,
          "conditions": "MIC2954-03/-08 (±1%), VIN = 6V to 26V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation over temperature",
          "symbol": "ΔVOUT/VOUT",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "MIC2954-03/-08 (±1%), VIN = 6V to 26V, full temperature",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVOUT/VOUT",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.04,
          "max": 0.2,
          "conditions": "MIC2954-03/-08 (±1%), IL = 1 to 250mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation over temperature",
          "symbol": "ΔVOUT/VOUT",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "MIC2954-03/-08 (±1%), IL = 1 to 250mA, full temperature",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VIN – VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 60,
          "max": 100,
          "conditions": "IL = 1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VIN – VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 220,
          "max": 250,
          "conditions": "IL = 50mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VIN – VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 250,
          "max": 300,
          "conditions": "IL = 100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VIN – VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 375,
          "max": 450,
          "conditions": "IL = 250mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ground Pin Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 140,
          "max": 200,
          "conditions": "IL = 1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ground Pin Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.5,
          "max": 1,
          "conditions": "IL = 50mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ground Pin Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.7,
          "max": 2.5,
          "conditions": "IL = 100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ground Pin Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 9,
          "conditions": "IL = 250mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ground Pin Current at Dropout",
          "symbol": "IGND(DO)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 180,
          "max": 300,
          "conditions": "VIN = 4.5V, Note 10",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 750,
          "max": 800,
          "conditions": "VOUT = 0V, Note 11",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Regulation",
          "symbol": "ΔVOUT/ΔPD",
          "kind": "electrical",
          "unit": "%/W",
          "min": null,
          "typ": 0.05,
          "max": 0.2,
          "conditions": "Note 12",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "en",
          "kind": "electrical",
          "unit": "µVRMS",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "IL = 100mA, CL = 2.2µF (10Hz to 100kHz)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "en",
          "kind": "electrical",
          "unit": "µVRMS",
          "min": null,
          "typ": 260,
          "max": null,
          "conditions": "IL = 100mA, CL = 33µF (10Hz to 100kHz)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.21,
          "typ": 1.235,
          "max": 1.26,
          "conditions": "MIC2954-03/-08 (±1%)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage over temperature",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": 1.27,
          "conditions": "MIC2954-03/-08 (±1%), full temperature",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.185,
          "typ": null,
          "max": 1.285,
          "conditions": "MIC2954-03/-08 (±1%), Note 13",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Feedback Pin Bias Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 20,
          "max": 40,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage Temperature Coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "MIC2954-03/-08 (±1%), Note 12",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Feedback Pin Bias Current Temperature Coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "nA/°C",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error Comparator Output Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VOH = 30V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error Comparator Output Low Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": 250,
          "conditions": "VIN = 4.5V, IOL = 400µA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error Comparator Upper Threshold Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 25,
          "typ": 60,
          "max": null,
          "conditions": "Note 14",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error Comparator Lower Threshold Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 75,
          "max": 140,
          "conditions": "Note 14",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error Comparator Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "Note 14",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Input Logic Voltage low (on)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": 0.7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Input Logic Voltage high (off)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Pin Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 30,
          "max": 50,
          "conditions": "VSHDN = 2.4V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Pin Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 450,
          "max": 600,
          "conditions": "VSHDN = 30V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Regulator Output Current in Shutdown",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "Note 15",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage (absolute maximum)",
          "symbol": "VFB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1.5,
          "typ": null,
          "max": 26,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Input Voltage (absolute maximum)",
          "symbol": "VSHDN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Error Output Voltage (absolute maximum)",
          "symbol": "VERR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "soldering, 5 sec.",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Ts",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (operating)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature (operating)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Ambient SOIC-8",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "mounted on PCB (FR4)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Ambient SOIC-8 ceramic",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "Ceramic PC board",
          "source_page": 11,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mic2954-08ym"
  ],
  "discovery_pitch": "MIC2954-08YM (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mic2954-08ym.kicad_sym",
    "mic2954-08ym.kicad_mod",
    "mic2954-08ym.glb",
    "mic2954-08ym.step",
    "mic2954-08ym.lbr",
    "docs/hero.png",
    "docs/mic2954-08ym-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mic2954-08ym-hero.glb",
    "mic2954-08ym-hero.overlay.json",
    "mic2954-08ym-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}