CM1032-EM

{
  "schema_version": 1,
  "type": "component",
  "slug": "cm1032-em",
  "title": "CM1032-EM",
  "brief": "iCM(创芯微) , MSOP-10. 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",
    "ic",
    "cm1032-em",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "CM1032-EM",
    "manufacturer": "iCM(创芯微)",
    "package": "MSOP-10",
    "pin_count": 10,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349398281592832",
    "parts": {
      "symbol": "cm1032-em.kicad_sym",
      "footprint": "cm1032-em.kicad_mod",
      "model_3d": "cm1032-em-hero.glb",
      "model_3d_plain": "cm1032-em-etched.glb",
      "model_3d_step": "cm1032-em-etched.step",
      "model_3d_step_plain": "cm1032-em.step",
      "lbr": "cm1032-em.lbr"
    },
    "distributor_links": {
      "lcsc": "C22446440"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T08:49:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VC1",
        "type": "power_in",
        "description": "Chip power supply pin, connected to the positive terminal of battery 1, with absolute maximum VC1 to VSS of -0.3 V to +30 V."
      },
      {
        "number": "2",
        "name": "VC2",
        "type": "input",
        "description": "Connects the negative terminal of battery 1 and the positive terminal of battery 2 for cell voltage sensing, with each cell-voltage absolute maximum of -0.3 V to 6.5 V."
      },
      {
        "number": "3",
        "name": "VC3",
        "type": "input",
        "description": "Connects the negative terminal of battery 2 and the positive terminal of battery 3 for cell voltage sensing, with each cell-voltage absolute maximum of -0.3 V to 6.5 V."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Chip ground and connection to the negative terminal of battery 3, the reference for all voltage ratings on the device."
      },
      {
        "number": "5",
        "name": "RTS",
        "type": "input",
        "description": "Connects to the NTC thermistor for temperature detection, with input voltage absolute range VSS-0.3 V to VSS+6.5 V."
      },
      {
        "number": "6",
        "name": "RTV",
        "type": "passive",
        "description": "Connects through a resistor to the RTS terminal to set the high-temperature protection point (RT = 3 x RNTC), with input voltage absolute range VSS-0.3 V to VSS+6.5 V."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Discharge overcurrent and short-circuit detection input, with absolute range VSS-0.3 V to VSS+6.5 V and thresholds of 0.100 V (VEC1), 0.200 V (VEC2), 0.400 V (VSHORT) and -0.100 V (charge overcurrent VCHA)."
      },
      {
        "number": "8",
        "name": "DO",
        "type": "output",
        "description": "Discharge MOSFET control output, with voltage range VSS-0.3 V to VCC+0.3 V."
      },
      {
        "number": "9",
        "name": "CO",
        "type": "output",
        "description": "Charge MOSFET control output, with voltage range VCC-20 V to VCC+0.3 V."
      },
      {
        "number": "10",
        "name": "VM",
        "type": "input",
        "description": "Charger and load detection terminal, with input voltage range VCC-20 V to VCC+0.3 V."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table on page 4 gives only names and functions. The voltage limits in the descriptions come ; The datasheet does not assign KiCad electrical types. Types were chosen from the functions described; The absolute maximum table lists VM under the symbol VIN2 and the range VCC-20 to VCC+0.3 V, which d"
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        "sha256": "e6384529937bd3a1",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
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        "refuses_to_fabricate": true
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        "zmin_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "iCM(创芯微)",
      "Package": "MSOP-10",
      "Category": "",
      "Pins": "10"
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    "characteristics": {
      "version": 1,
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      "rows": [
        {
          "name": "Normal operating current",
          "symbol": "IVC1",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 12,
          "max": 20,
          "conditions": "V1=V2=V3=3.5V, VM=0V",
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        {
          "name": "Sleep current",
          "symbol": "ISTB",
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          "name": "Overcharge protection delay",
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          "name": "Overdischarge protection voltage",
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          "name": "Overdischarge release voltage",
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          "min": 2.9,
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          "max": 3.1,
          "conditions": "V1=V2=3.5V, V3=2.0→3.5V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Overdischarge protection delay",
          "symbol": "TOD",
          "kind": "timing",
          "unit": "s",
          "min": 0.5,
          "typ": 1,
          "max": 1.5,
          "conditions": "V1=V2=3.5V, V3=3.5→2.0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 1 protection voltage",
          "symbol": "VEC1",
          "kind": "electrical",
          "unit": "V",
          "min": 0.085,
          "typ": 0.1,
          "max": 0.115,
          "conditions": "V1=V2=V3=3.5V, VIN=0→0.12V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 1 protection delay",
          "symbol": "TEC1",
          "kind": "timing",
          "unit": "s",
          "min": 0.5,
          "typ": 1,
          "max": 1.5,
          "conditions": "V1=V2=V3=3.5V, VIN=0→0.12V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 2 protection voltage",
          "symbol": "VEC2",
          "kind": "electrical",
          "unit": "V",
          "min": 0.17,
          "typ": 0.2,
          "max": 0.23,
          "conditions": "V1=V2=V3=3.5V, VIN=0→0.3V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 2 protection delay",
          "symbol": "TEC2",
          "kind": "timing",
          "unit": "ms",
          "min": 50,
          "typ": 100,
          "max": 150,
          "conditions": "V1=V2=V3=3.5V, VIN=0→0.3V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit protection voltage",
          "symbol": "VSHORT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.34,
          "typ": 0.4,
          "max": 0.46,
          "conditions": "V1=V2=V3=3.5V, VIN=0→0.8V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit protection delay",
          "symbol": "TSHORT",
          "kind": "timing",
          "unit": "μs",
          "min": 100,
          "typ": 300,
          "max": 500,
          "conditions": "V1=V2=V3=3.5V, VIN=0→0.8V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Discharge overcurrent release delay",
          "symbol": "TECR",
          "kind": "timing",
          "unit": "ms",
          "min": 24,
          "typ": 48,
          "max": 72,
          "conditions": "V1=V2=V3=3.5V, VIN=0.8→0V, VM=VC1→0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent protection voltage",
          "symbol": "VCHA",
          "kind": "electrical",
          "unit": "V",
          "min": -0.13,
          "typ": -0.1,
          "max": -0.07,
          "conditions": "V1=V2=V3=3.5V, VIN=0→-0.5V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Charge overcurrent protection delay",
          "symbol": "TCHA",
          "kind": "timing",
          "unit": "ms",
          "min": 10,
          "typ": 20,
          "max": 30,
          "conditions": "V1=V2=V3=3.5V, VIN=0→-0.5V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent release delay",
          "symbol": "TCHAR",
          "kind": "timing",
          "unit": "ms",
          "min": 24,
          "typ": 48,
          "max": 72,
          "conditions": "V1=V2=V3=3.5V, VIN=-0.5V→0V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Wire-break protection delay",
          "symbol": "TOW",
          "kind": "timing",
          "unit": "ms",
          "min": 10,
          "typ": 20,
          "max": 30,
          "conditions": "",
          "source_page": 6,
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        {
          "name": "Wire-break release delay",
          "symbol": "TOWR",
          "kind": "timing",
          "unit": "ms",
          "min": 24,
          "typ": 48,
          "max": 72,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Charge high-temperature protection temperature (offset from TCH)",
          "symbol": "TCH",
          "kind": "electrical",
          "unit": "°C",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "V1=V2=V3=3.5V, RTS=100K→10K",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Charge high-temperature recovery temperature (offset from TCHR)",
          "symbol": "TCHR",
          "kind": "electrical",
          "unit": "°C",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "V1=V2=V3=3.5V, RTS=10K→100K",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Discharge high-temperature protection temperature (offset from TDH)",
          "symbol": "TDH",
          "kind": "electrical",
          "unit": "°C",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "V1=V2=V3=3.5V, RTS=100K→10K",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Discharge high-temperature recovery temperature (offset from TDHR)",
          "symbol": "TDHR",
          "kind": "electrical",
          "unit": "°C",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "V1=V2=V3=3.5V, RTS=10K→100K",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Charge high-temperature protection delay",
          "symbol": "DL_TCH",
          "kind": "timing",
          "unit": "s",
          "min": 0.5,
          "typ": 1,
          "max": 1.5,
          "conditions": "V1=V2=V3=3.5V, RTS=100K→10K",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Charge high-temperature recovery delay",
          "symbol": "DL_CHR",
          "kind": "timing",
          "unit": "ms",
          "min": 64,
          "typ": 128,
          "max": 192,
          "conditions": "V1=V2=V3=3.5V, RTS=10K→100K",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Discharge high-temperature protection delay",
          "symbol": "DL_DH",
          "kind": "timing",
          "unit": "s",
          "min": 0.5,
          "typ": 1,
          "max": 1.5,
          "conditions": "V1=V2=V3=3.5V, RTS=100K→10K",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Discharge high-temperature recovery delay",
          "symbol": "DL_DHR",
          "kind": "timing",
          "unit": "ms",
          "min": 64,
          "typ": 128,
          "max": 192,
          "conditions": "V1=V2=V3=3.5V, RTS=10K→100K",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Discharge state detection voltage",
          "symbol": "Vsts",
          "kind": "electrical",
          "unit": "mV",
          "min": 1,
          "typ": 4,
          "max": 7,
          "conditions": "V1=V2=V3=3.5V, VIN=0→10mV",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage (VC1 pin)",
          "symbol": "VC1",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 30,
          "conditions": "Referenced to VSS (printed VSS-0.3 ~ VSS+30)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Cell voltage (VC1-VC2, VC2-VC3, VC3-VSS)",
          "symbol": "VCELL",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "Per cell pin pair",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage 1 (RTS, RTV, VIN)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "Referenced to VSS (printed VSS-0.3 ~ VSS+6.5)",
          "source_page": 5,
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        {
          "name": "Input voltage 2 (VM)",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 0.3,
          "conditions": "Referenced to VCC (printed VCC-20 ~ VCC+0.3)",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "CO output terminal voltage",
          "symbol": "VCO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 0.3,
          "conditions": "Referenced to VCC (printed VCC-20 ~ VCC+0.3)",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "DO output terminal voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "Min referenced to VSS (VSS-0.3); max referenced to VCC (VCC+0.3)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        }
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