CM1351-LAT

{
  "schema_version": 1,
  "type": "component",
  "slug": "cm1351-lat",
  "title": "CM1351-LAT",
  "brief": "iCM(创芯微) , 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",
    "ic",
    "cm1351-lat",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CM1351-LAT",
    "manufacturer": "iCM(创芯微)",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349789421682688",
    "parts": {
      "symbol": "cm1351-lat.kicad_sym",
      "footprint": "cm1351-lat.kicad_mod",
      "model_3d": "cm1351-lat-hero.glb",
      "model_3d_plain": "cm1351-lat-etched.glb",
      "model_3d_step": "cm1351-lat-etched.step",
      "model_3d_step_plain": "cm1351-lat.step",
      "lbr": "cm1351-lat.lbr"
    },
    "distributor_links": {
      "lcsc": "C22446468"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T17:13:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input and battery 1 positive connection; absolute maximum VCC is VSS-0.3 V to VSS+40 V, and VSS should be connected before VCC."
      },
      {
        "number": "2",
        "name": "VNC",
        "type": "passive",
        "description": "Labeled VNC in the pin table but described as a battery 1 positive voltage connection; no electrical limit is stated for this pin."
      },
      {
        "number": "3",
        "name": "VNC",
        "type": "passive",
        "description": "Labeled VNC in the pin table but described as a battery 1 positive voltage connection; no electrical limit is stated for this pin."
      },
      {
        "number": "4",
        "name": "VC1",
        "type": "input",
        "description": "Battery 1 positive voltage sense connection; cell input absolute maximum is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "5",
        "name": "VC2",
        "type": "input",
        "description": "Battery 1 negative voltage and battery 2 positive voltage sense connection; cell input absolute maximum is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "6",
        "name": "VC3",
        "type": "input",
        "description": "Battery 2 negative voltage and battery 3 positive voltage sense connection; cell input absolute maximum is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "7",
        "name": "VC4",
        "type": "input",
        "description": "Battery 3 negative voltage and battery 4 positive voltage sense connection; cell input absolute maximum is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "8",
        "name": "VC5",
        "type": "input",
        "description": "Battery 4 negative voltage and battery 5 positive voltage sense connection; cell input absolute maximum is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "9",
        "name": "VSS",
        "type": "power_in",
        "description": "Chip ground and battery 5 negative connection; reference for all absolute maximum ratings."
      },
      {
        "number": "10",
        "name": "TEC",
        "type": "passive",
        "description": "Discharge overcurrent delay adjustment pin, set by external capacitor CTEC; absolute maximum is VSS-0.3 V to VSS+5.5 V."
      },
      {
        "number": "11",
        "name": "RTS",
        "type": "input",
        "description": "Connects to the NTC thermistor for temperature detection; absolute maximum 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 is VSS-0.3 V to VSS+5.5 V."
      },
      {
        "number": "13",
        "name": "VINI",
        "type": "input",
        "description": "Overcurrent detection input sensing the discharge/charge current voltage; absolute maximum is VSS-0.3 V to VCC+0.3 V."
      },
      {
        "number": "14",
        "name": "DO",
        "type": "output",
        "description": "Discharge MOSFET control output; absolute maximum is VSS-0.3 V to VCC+0.3 V, with high level about VCC-0.7 V (10.8 V typical when VCC>12 V) and low level at VSS."
      },
      {
        "number": "15",
        "name": "CO",
        "type": "output",
        "description": "Charge MOSFET control output; absolute maximum is VSS-15 V to VCC+0.3 V, with high level about VCC-0.7 V (10.8 V typical when VCC>12 V) and low level Hi-Z."
      },
      {
        "number": "16",
        "name": "VM",
        "type": "input",
        "description": "Charger and load detection pin; absolute maximum is VSS-15 V to VCC+0.3 V, with about 50 kΩ internal resistance to VSS."
      }
    ],
    "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: Both pins are named VNC in the pin table, yet the description column calls them battery 1 positive v; The datasheet gives no ERC-style type for TEC or RTV, so passive was chosen because they connect to ; VCC and VSS are typed power_in per the ERC convention for supply and ground pins; the pin table does"
        ],
        "pages_sent": 21,
        "cost_usd": 0.0957,
        "at": "2026-10-17T17:11:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349789421682688",
        "pages": 21,
        "sha256": "9cc8ed7471336dab",
        "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": [
      {
        "file": "cm1351-lat.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cm1351-lat-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "26a96b92eaffe9083e9506a0e5bbae2a097ec6b24fef694517a8c38674f9d47b",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "iCM(创芯微)",
      "Package": "TSSOP-16",
      "Category": "",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9cc8ed7471336dab4f276c9e2b112c3f242e20f9c729eac06352206d9a5d0d23",
      "rows": [
        {
          "name": "Absolute max: power supply voltage VCC (VCC pin, referenced to VSS)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "Printed as VSS-0.3 ~ VSS+40 V; min/max are offsets from VSS",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: cell input voltage VCn (VC1–VC5)",
          "symbol": "VCELL",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "Printed as VSS-0.3 ~ VSS+40 V (n=1~5); min/max are offsets from VSS",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: input voltage 1 (RTV, TEC)",
          "symbol": "VIN1",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "Printed as VSS-0.3 ~ VSS+5.5 V; referenced to VSS",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: input voltage 2 (VM, CO)",
          "symbol": "VIN2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -15,
          "typ": null,
          "max": 0.3,
          "conditions": "Printed as VSS-15 ~ VCC+0.3 V; min offset from VSS, max offset from VCC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: input voltage 3 (DO, RTS, VINI)",
          "symbol": "VIN3",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "Printed as VSS-0.3 ~ VCC+0.3 V; min offset from VSS, max offset from VCC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: operating ambient temperature TOPR",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: storage temperature range TSTG",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Normal operating current (25°C table)",
          "symbol": "IVCC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 10,
          "max": 15,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overcharge protection delay TOC",
          "symbol": "TOC",
          "kind": "electrical",
          "unit": "s",
          "min": 0.7,
          "typ": 1,
          "max": 1.3,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5 → 4.4V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overcharge release delay TOCR",
          "symbol": "TOCR",
          "kind": "electrical",
          "unit": "ms",
          "min": 128,
          "typ": 256,
          "max": 384,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 4.4 → 3.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge release voltage VODR (25°C, ±80 mV) for CM1351-LAT (nominal 3.000 V)",
          "symbol": "VODR",
          "kind": "tolerance",
          "unit": "V",
          "min": -0.08,
          "typ": 3,
          "max": 0.08,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 2.0 → 3.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge protection delay TOD",
          "symbol": "TOD",
          "kind": "electrical",
          "unit": "s",
          "min": 0.7,
          "typ": 1,
          "max": 1.3,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5 → 2.0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overdischarge release delay TODR",
          "symbol": "TODR",
          "kind": "electrical",
          "unit": "ms",
          "min": 128,
          "typ": 256,
          "max": 384,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 2.0 → 3.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-voltage charge inhibit voltage VLV",
          "symbol": "VLV",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.5,
          "max": 1.8,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5 → 1.2V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-voltage charge inhibit release voltage VLVR",
          "symbol": "VLVR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.22,
          "typ": 1.52,
          "max": 1.82,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 1.2 → 3.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-voltage charge inhibit delay TLV",
          "symbol": "TLV",
          "kind": "electrical",
          "unit": "s",
          "min": 0.7,
          "typ": 1,
          "max": 1.3,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5 → 1.2V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-voltage charge inhibit release delay TLVR",
          "symbol": "TLVR",
          "kind": "electrical",
          "unit": "ms",
          "min": 128,
          "typ": 256,
          "max": 384,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 1.2 → 3.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 1 protection voltage VEC1 (25°C, ±5 mV) for CM1351-LAT (nominal 0.050 V)",
          "symbol": "VEC1",
          "kind": "tolerance",
          "unit": "V",
          "min": -0.005,
          "typ": 0.05,
          "max": 0.005,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, VINI = 0 → 0.18V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 1 protection delay TEC1",
          "symbol": "TEC1",
          "kind": "electrical",
          "unit": "s",
          "min": 0.5,
          "typ": 1,
          "max": 1.5,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, VINI = 0 → 0.18V, CTEC=0.1μF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 2 protection voltage VEC2 (±15% of VEC2; nominal 0.100 V for CM1351-LAT per table 1)",
          "symbol": "VEC2",
          "kind": "tolerance",
          "unit": "%",
          "min": -15,
          "typ": null,
          "max": 15,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, VINI = 0 → 0.35V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent 2 protection delay TEC2",
          "symbol": "TEC2",
          "kind": "electrical",
          "unit": "ms",
          "min": 50,
          "typ": 100,
          "max": 150,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, VINI = 0 → 0.35V, CTEC=0.1μF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit protection delay TSHORT",
          "symbol": "TSHORT",
          "kind": "electrical",
          "unit": "μs",
          "min": 100,
          "typ": 300,
          "max": 500,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, VINI = 0 → 0.8V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge overcurrent release delay TECR",
          "symbol": "TECR",
          "kind": "electrical",
          "unit": "ms",
          "min": 22,
          "typ": 32,
          "max": 42,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, VINI = 0.8 → 0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent protection delay TCHA",
          "symbol": "TCHA",
          "kind": "electrical",
          "unit": "ms",
          "min": 180,
          "typ": 256,
          "max": 332,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, VINI = 0 → -1.0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Charge overcurrent release delay TCHAR",
          "symbol": "TCHAR",
          "kind": "electrical",
          "unit": "ms",
          "min": 45,
          "typ": 64,
          "max": 83,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, VINI = -1V → 0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Wire-break protection delay TOW",
          "symbol": "TOW",
          "kind": "electrical",
          "unit": "s",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "CVC1~5=0.1μF",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Charge high-temperature protection temperature TCH (±3 °C; nominal set by RT)",
          "symbol": "TCH",
          "kind": "tolerance",
          "unit": "°C",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, RNTC = 100k → 10k",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Charge high-temperature release temperature TCHR (±3 °C; nominal set by RT)",
          "symbol": "TCHR",
          "kind": "tolerance",
          "unit": "°C",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, RNTC = 10k → 100k",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge high-temperature protection temperature TDH (±3 °C; nominal set by RT)",
          "symbol": "TDH",
          "kind": "tolerance",
          "unit": "°C",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, RNTC = 100k → 10k",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge high-temperature release temperature TDHR (±3 °C; nominal set by RT)",
          "symbol": "TDHR",
          "kind": "tolerance",
          "unit": "°C",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, RNTC = 10k → 100k",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Charge high-temperature protection delay DTCH",
          "symbol": "DTCH",
          "kind": "electrical",
          "unit": "s",
          "min": 0.7,
          "typ": 1,
          "max": 1.3,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, RNTC = 100k → 10k",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Charge high-temperature release delay DTCHR",
          "symbol": "DTCHR",
          "kind": "electrical",
          "unit": "ms",
          "min": 90,
          "typ": 128,
          "max": 166,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, RNTC = 10k → 100k",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge high-temperature protection delay DTDH",
          "symbol": "DTDH",
          "kind": "electrical",
          "unit": "s",
          "min": 0.7,
          "typ": 1,
          "max": 1.3,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, RNTC = 100k → 10k",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge high-temperature release delay DTDHR",
          "symbol": "DTDHR",
          "kind": "electrical",
          "unit": "ms",
          "min": 90,
          "typ": 128,
          "max": 166,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, RNTC = 10k → 100k",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Charge low-temperature protection temperature TCL (±3 °C; nominal set by RNTC/RT configuration)",
          "symbol": "TCL",
          "kind": "tolerance",
          "unit": "°C",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, RNTC = 100k → 3M",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Charge low-temperature release temperature TCLR (±3 °C)",
          "symbol": "TCLR",
          "kind": "tolerance",
          "unit": "°C",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "VCn - VCn+1 = 3.5V, VC5-VSS = 3.5V, RNTC = 3M → 100k",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Discharge low-temperature protection temperature TDL (±3 °C)",
          "symbol": "TDL",
          "kind": "tolerance",
          "unit": "°C",
          "min": -3,
          "typ": null,
          "max": 3,
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