CM1341-LAT

{
  "schema_version": 1,
  "type": "component",
  "slug": "cm1341-lat",
  "title": "CM1341-LAT",
  "brief": "iCM(创芯微) Battery Management, TSSOP-16. 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 management (pmic)",
    "cm1341-lat",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CM1341-LAT",
    "manufacturer": "iCM(创芯微)",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349410449539072",
    "parts": {
      "symbol": "cm1341-lat.kicad_sym",
      "footprint": "cm1341-lat.kicad_mod",
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      "model_3d_plain": "cm1341-lat-etched.glb",
      "model_3d_step": "cm1341-lat-etched.step",
      "model_3d_step_plain": "cm1341-lat.step",
      "lbr": "cm1341-lat.lbr"
    },
    "distributor_links": {
      "lcsc": "C22446465"
    },
    "distributor_check": {
      "checked_at": "2026-11-10T12:41:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 819 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input and positive-voltage connection for battery cell 1; absolute maximum rating is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "2",
        "name": "VNC",
        "type": "passive",
        "description": "Battery cell 1 positive-voltage connection as labelled in the pin table; the datasheet gives no separate function or rating for this pin."
      },
      {
        "number": "3",
        "name": "VNC",
        "type": "passive",
        "description": "Battery cell 1 positive-voltage connection as labelled in the pin table; the datasheet gives no separate function or rating for this pin."
      },
      {
        "number": "4",
        "name": "VNC",
        "type": "passive",
        "description": "Battery cell 1 positive-voltage connection as labelled in the pin table; the datasheet gives no separate function or rating for this pin."
      },
      {
        "number": "5",
        "name": "VC1",
        "type": "passive",
        "description": "Battery cell 1 positive-voltage connection used for cell voltage sensing; cell-input absolute maximum rating is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "6",
        "name": "VC2",
        "type": "passive",
        "description": "Negative terminal of battery cell 1 and positive terminal of battery cell 2 for cell voltage sensing; cell-input absolute maximum rating is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "7",
        "name": "VC3",
        "type": "passive",
        "description": "Negative terminal of battery cell 2 and positive terminal of battery cell 3 for cell voltage sensing; cell-input absolute maximum rating is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "8",
        "name": "VC4",
        "type": "passive",
        "description": "Negative terminal of battery cell 3 and positive terminal of battery cell 4 for cell voltage sensing; cell-input absolute maximum rating is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "9",
        "name": "VSS",
        "type": "power_in",
        "description": "Chip ground and negative-voltage connection for battery cell 4; the reference for all pin ratings."
      },
      {
        "number": "10",
        "name": "TEC",
        "type": "passive",
        "description": "Discharge over-current delay adjustment pin, where an external capacitor CTEC sets the delay (TEC1 = 10 × CTEC in ms with CTEC in nF); absolute maximum rating is VSS-0.3 V to VSS+5.5 V."
      },
      {
        "number": "11",
        "name": "RTS",
        "type": "passive",
        "description": "Connection for the NTC thermistor used for temperature detection; absolute maximum rating is VSS-0.3 V to VCC+0.3 V."
      },
      {
        "number": "12",
        "name": "RTV",
        "type": "passive",
        "description": "Connects to a resistor to RTS that sets the protection temperature; absolute maximum rating is VSS-0.3 V to VSS+5.5 V."
      },
      {
        "number": "13",
        "name": "VINI",
        "type": "input",
        "description": "Over-current detection input that sees the discharge/charge current sense voltage; absolute maximum rating is VSS-0.3 V to VCC+0.3 V."
      },
      {
        "number": "14",
        "name": "DO",
        "type": "output",
        "description": "Discharge MOSFET control output, which turns off the discharge MOS when a fault is detected; absolute maximum rating is VSS-0.3 V to VCC+0.3 V."
      },
      {
        "number": "15",
        "name": "CO",
        "type": "output",
        "description": "Charge MOSFET control output, which turns off the charge MOS when a fault is detected; absolute maximum rating is VSS-15 V to VCC+0.3 V."
      },
      {
        "number": "16",
        "name": "VM",
        "type": "input",
        "description": "Charger and load detection pin; absolute maximum rating is VSS-15 V to VCC+0.3 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table labels all three as VNC and describes them as battery cell 1 positive connections, whi; Pin descriptions were translated from the Chinese datasheet. The pin types (power_in, input, output,; The absolute maximum ratings table names RTV and TEC with a VSS+5.5 V limit and RTS with a VCC+0.3 V"
        ],
        "pages_sent": 22,
        "cost_usd": 0.1245,
        "at": "2026-11-10T12:41:14"
      },
      "datasheet": {
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        "pages": 22,
        "sha256": "3c1bb3810ab4a56c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-11-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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    ],
    "package_dims": {
      "package_code": "TSSOP16",
      "source_page": 19,
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        "range_mm": [
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      },
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      },
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      "e": {
        "nom_mm": 0.65,
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      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
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      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "iCM(创芯微)",
      "Package": "TSSOP-16",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Normal operating current",
          "symbol": "IVCC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 10,
          "max": 15,
          "conditions": "Ta=+25°C; VCn-VCn+1=3.5V, VC4-VSS=3.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overcharge detection voltage, nominal (CM1341-LAT, Table 1)",
          "symbol": "VOC",
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        {
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          "conditions": "Ta=+25°C; VCn-VCn+1=3.5V, VC4-VSS=3.5→4.4V",
          "source_page": 8,
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        },
        {
          "name": "Overcharge release voltage, nominal (CM1341-LAT, Table 1)",
          "symbol": "VOCR",
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        {
          "name": "Overcharge release voltage accuracy (±, printed as VOCR ± 0.030 V)",
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        },
        {
          "name": "Overcharge protection delay",
          "symbol": "TOC",
          "kind": "timing",
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          "min": 0.7,
          "typ": 1,
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          "conditions": "Ta=+25°C; VC4-VSS=3.5→4.4V",
          "source_page": 8,
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        {
          "name": "Overcharge release delay",
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          "conditions": "Ta=+25°C; VC4-VSS=4.4→3.5V",
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          "name": "Balance start voltage, nominal (CM1341-LAT, Table 1)",
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          "name": "Balance start voltage accuracy (±, printed as VBAL ± 0.025 V)",
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        },
        {
          "name": "Overdischarge protection voltage, nominal (CM1341-LAT, Table 1)",
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          "unit": "V",
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        {
          "name": "Overdischarge protection voltage accuracy (±, printed as VOD ± 0.050 V)",
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          "kind": "tolerance",
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          "min": -0.05,
          "typ": null,
          "max": 0.05,
          "conditions": "Ta=+25°C; VCn-VCn+1=3.5V, VC4-VSS=3.5→2.0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge release voltage, nominal (CM1341-LAT, Table 1)",
          "symbol": "VODR",
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          "unit": "V",
          "min": null,
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          "max": null,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Overdischarge release voltage accuracy (±, printed as VODR ± 0.080 V)",
          "symbol": "VODR",
          "kind": "tolerance",
          "unit": "V",
          "min": -0.08,
          "typ": null,
          "max": 0.08,
          "conditions": "Ta=+25°C; VCn-VCn+1=3.5V, VC4-VSS=2.0→3.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge protection delay",
          "symbol": "TOD",
          "kind": "timing",
          "unit": "s",
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          "max": 1.3,
          "conditions": "Ta=+25°C; VC4-VSS=3.5→2.0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge release delay",
          "symbol": "TODR",
          "kind": "timing",
          "unit": "ms",
          "min": 128,
          "typ": 256,
          "max": 384,
          "conditions": "Ta=+25°C; VC4-VSS=2.0→3.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Low-voltage charge inhibit voltage",
          "symbol": "VLV",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.5,
          "max": 1.8,
          "conditions": "Ta=+25°C; VC4-VSS=3.5→1.2V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Low-voltage charge inhibit release voltage",
          "symbol": "VLVR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.22,
          "typ": 1.52,
          "max": 1.82,
          "conditions": "Ta=+25°C; VC4-VSS=1.2→3.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Low-voltage charge inhibit delay",
          "symbol": "TLV",
          "kind": "timing",
          "unit": "s",
          "min": 0.7,
          "typ": 1,
          "max": 1.3,
          "conditions": "Ta=+25°C; VC4-VSS=3.5→1.2V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Low-voltage charge inhibit release delay",
          "symbol": "TLVR",
          "kind": "timing",
          "unit": "ms",
          "min": 128,
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          "max": 384,
          "conditions": "Ta=+25°C; VC4-VSS=1.2→3.5V",
          "source_page": 8,
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        },
        {
          "name": "Discharge overcurrent 1 voltage, nominal (CM1341-LAT, Table 1)",
          "symbol": "VEC1",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.05,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 1 voltage accuracy (±, printed as VEC1 ± 0.005 V)",
          "symbol": "VEC1",
          "kind": "tolerance",
          "unit": "V",
          "min": -0.005,
          "typ": null,
          "max": 0.005,
          "conditions": "Ta=+25°C; VCn-VCn+1=3.5V, VC4-VSS=3.5V, VINI=0→0.18V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 1 delay",
          "symbol": "TEC1",
          "kind": "timing",
          "unit": "s",
          "min": 0.5,
          "typ": 1,
          "max": 1.5,
          "conditions": "Ta=+25°C; VINI=0→0.18V, CTEC=0.1μF (±1%)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 2 voltage, nominal (CM1341-LAT, Table 1)",
          "symbol": "VEC2",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 2 voltage accuracy (±15 %, printed as VEC2*85% to VEC2*115%)",
          "symbol": "VEC2",
          "kind": "tolerance",
          "unit": "%",
          "min": -15,
          "typ": null,
          "max": 15,
          "conditions": "Ta=+25°C; VCn-VCn+1=3.5V, VC4-VSS=3.5V, VINI=0→0.35V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 2 delay",
          "symbol": "TEC2",
          "kind": "timing",
          "unit": "ms",
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          "max": 150,
          "conditions": "Ta=+25°C; VINI=0→0.35V, CTEC=0.1μF (±1%)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit protection voltage, nominal (CM1341-LAT, Table 1)",
          "symbol": "VSHORT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": null,
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        },
        {
          "name": "Short-circuit protection delay",
          "symbol": "TSHORT",
          "kind": "timing",
          "unit": "μs",
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          "typ": 300,
          "max": 500,
          "conditions": "Ta=+25°C; VINI=0→0.8V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent release delay",
          "symbol": "TECR",
          "kind": "timing",
          "unit": "ms",
          "min": 22,
          "typ": 32,
          "max": 42,
          "conditions": "Ta=+25°C; VINI=0.8→0V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent protection voltage, nominal (CM1341-LAT, Table 1)",
          "symbol": "VCHA",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -0.025,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent voltage accuracy for VCHA ≥ -0.050 V (±, printed as VCHA ± 0.005 V)",
          "symbol": "VCHA",
          "kind": "tolerance",
          "unit": "V",
          "min": -0.005,
          "typ": null,
          "max": 0.005,
          "conditions": "Ta=+25°C; VCn-VCn+1=3.5V, VC4-VSS=3.5V, VINI=0→-1.0V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent protection delay",
          "symbol": "TCHA",
          "kind": "timing",
          "unit": "ms",
          "min": 180,
          "typ": 256,
          "max": 332,
          "conditions": "Ta=+25°C; VINI=0→-1.0V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent release delay",
          "symbol": "TCHAR",
          "kind": "timing",
          "unit": "ms",
          "min": 45,
          "typ": 64,
          "max": 83,
          "conditions": "Ta=+25°C; VINI=-1V→0V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Open-wire protection delay",
          "symbol": "TOW",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "Ta=+25°C; CVC1~4=0.1μF",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Charge high-temperature protection temperature accuracy (±3 °C, printed as TCH ± 3)",
          "symbol": "TCH",
          "kind": "tolerance",
          "unit": "°C",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "Ta=+25°C; RNTC=100k→10k",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Charge high-temperature release temperature accuracy (±3 °C)",
          "symbol": "TCHR",
          "kind": "tolerance",
          "unit": "°C",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "Ta=+25°C; RNTC=10k→100k",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Discharge high-temperature protection temperature accuracy (±3 °C)",
          "symbol": "TDH",
          "kind": "tolerance",
          "unit": "°C",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "Ta=+25°C; RNTC=100k→10k",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Discharge high-temperature release temperature accuracy (±3 °C)",
          "symbol": "TDHR",
          "kind": "tolerance",
          "unit": "°C",
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