CM1623

{
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  "type": "component",
  "slug": "cm1623",
  "title": "CM1623",
  "brief": "iCM(创芯微) , SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "CM1623",
    "manufacturer": "iCM(创芯微)",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "IC",
    "subcategory": "IC",
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      "lbr": "cm1623.lbr"
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    "distributor_links": {
      "lcsc": "C22446609"
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    "distributor_check": {
      "checked_at": "2026-11-05T10:48:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
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    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the controller; datasheet Table 1 lists pins 1 and 2 together as GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the controller; datasheet Table 1 lists pins 1 and 2 together as GND."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip supply pin with UVLO turn-on of 2.9 V to 4.1 V (3.5 V typical) and 0.2 V hysteresis; absolute maximum VCC-to-GND rating is -0.3 V to 9 V, and the electrical table lists a supply voltage of 7 V."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "AC-powered supply input; absolute maximum rating is -0.7 V to 32 V, and the electrical table lists an input voltage of 30 V."
      },
      {
        "number": "5",
        "name": "VD",
        "type": "passive",
        "description": "Drain of the internal 60 V, 8 mΩ power MOSFET; absolute maximum drain-to-ground voltage is -0.7 V to 66 V."
      },
      {
        "number": "6",
        "name": "VD",
        "type": "passive",
        "description": "Drain of the internal 60 V, 8 mΩ power MOSFET; absolute maximum drain-to-ground voltage is -0.7 V to 66 V."
      },
      {
        "number": "7",
        "name": "VD",
        "type": "passive",
        "description": "Drain of the internal 60 V, 8 mΩ power MOSFET; absolute maximum drain-to-ground voltage is -0.7 V to 66 V."
      },
      {
        "number": "8",
        "name": "VD",
        "type": "passive",
        "description": "Drain of the internal 60 V, 8 mΩ power MOSFET; absolute maximum drain-to-ground voltage is -0.7 V to 66 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin table (Table 1, page 3) gives pin names and Chinese descriptions only; the 'power_in' and 'passi; Pin descriptions are translated from the Chinese datasheet. Ratings are taken from the absolute maxi; The datasheet's only package drawing is SOP8 (page 6) and its tape/reel data is also SOP8 (page 7). "
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        "cost_usd": 0.0531,
        "at": "2026-11-05T10:48:00"
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        "sha256": "4cd5ed98e6919328",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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      "footprint": "viewers/footprint.html"
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "iCM(创芯微)",
      "Package": "SOP-8",
      "Category": "",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Undervoltage lockout turn-on threshold (VCC raising)",
          "symbol": "VUVLO1",
          "kind": "electrical",
          "unit": "V",
          "min": 2.9,
          "typ": 3.5,
          "max": 4.1,
          "conditions": "VCC raising",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": 200,
          "typ": 325,
          "max": 450,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Synchronous rectifier turn-on threshold",
          "symbol": "VON_TH",
          "kind": "electrical",
          "unit": "mV",
          "min": -300,
          "typ": -200,
          "max": -100,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
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        },
        {
          "name": "UVLO hysteresis",
          "symbol": "VUVLO2",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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        {
          "name": "Driver voltage regulation threshold",
          "symbol": "VREG",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": -50,
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        },
        {
          "name": "Synchronous rectifier turn-off threshold",
          "symbol": "VOFF_TH",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": -20,
          "conditions": "",
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        },
        {
          "name": "Synchronous rectifier turn-off delay",
          "symbol": "VOFF_DELAY",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Minimum on time",
          "symbol": "TON_MIN",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Over-temperature protection threshold",
          "symbol": "OTP",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Over-temperature hysteresis",
          "symbol": "ΔT",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Drain-source breakdown voltage",
          "symbol": "BVDSS",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "VGS=0V,ID=250µA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "On-state resistance",
          "symbol": "RDSON",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "VGS=10V,ID=10A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage absolute maximum",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.7,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage to ground absolute maximum",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 9,
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        {
          "name": "Drain to ground voltage absolute maximum",
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          "min": -0.7,
          "typ": null,
          "max": 66,
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        },
        {
          "name": "Maximum operating frequency",
          "symbol": "FMAX",
          "kind": "absolute_maximum",
          "unit": "KHz",
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          "typ": null,
          "max": 300,
          "conditions": "",
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        {
          "name": "Thermal resistance",
          "symbol": "PTR1",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
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          "max": 150,
          "conditions": "",
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        {
          "name": "Storage temperature",
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          "unit": "℃",
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          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "Operating temperature",
          "symbol": "",
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          "unit": "℃",
          "min": -20,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "Soldering temperature",
          "symbol": "Tsolder",
          "kind": "absolute_maximum",
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          "min": null,
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          "conditions": "10s",
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        {
          "name": "ESD human body model",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "Human body model",
          "source_page": 4,
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        }
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