CM1341-FKT

{
  "slug": "cm1341-fkt",
  "version": "0.1.0",
  "type": "component",
  "description": "iCM(创芯微) , TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "ic",
    "cm1341-fkt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cm1341-fkt.kicad_sym",
    "cm1341-fkt.kicad_mod",
    "cm1341-fkt.glb",
    "cm1341-fkt.step",
    "cm1341-fkt.lbr",
    "docs/hero.png",
    "docs/cm1341-fkt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cm1341-fkt-hero.glb",
    "cm1341-fkt-hero.overlay.json",
    "cm1341-fkt-etched.glb"
  ],
  "component": {
    "mpn": "CM1341-FKT",
    "manufacturer": "iCM(创芯微)",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603206373270843392",
    "parts": {
      "symbol": "cm1341-fkt.kicad_sym",
      "footprint": "cm1341-fkt.kicad_mod",
      "model_3d": "cm1341-fkt-hero.glb",
      "model_3d_plain": "cm1341-fkt-etched.glb",
      "model_3d_step": "cm1341-fkt-etched.step",
      "model_3d_step_plain": "cm1341-fkt.step",
      "lbr": "cm1341-fkt.lbr"
    },
    "distributor_links": {
      "lcsc": "C22446461"
    },
    "distributor_check": {
      "checked_at": "2026-11-09T18:07:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input and positive voltage connection for battery 1; absolute maximum rating is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "2",
        "name": "VNC",
        "type": "passive",
        "description": "Printed as VNC but described in the pin table as a battery 1 positive voltage connection terminal; cell inputs are rated VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "3",
        "name": "VNC",
        "type": "passive",
        "description": "Printed as VNC but described in the pin table as a battery 1 positive voltage connection terminal; cell inputs are rated VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "4",
        "name": "VNC",
        "type": "passive",
        "description": "Printed as VNC but described in the pin table as a battery 1 positive voltage connection terminal; cell inputs are rated VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "5",
        "name": "VC1",
        "type": "passive",
        "description": "Battery 1 positive voltage connection for cell voltage detection and balancing; cell inputs are rated VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "6",
        "name": "VC2",
        "type": "passive",
        "description": "Battery 1 negative and battery 2 positive voltage connection for cell voltage detection; cell inputs are rated VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "7",
        "name": "VC3",
        "type": "passive",
        "description": "Battery 2 negative and battery 3 positive voltage connection for cell voltage detection; cell inputs are rated VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "8",
        "name": "VC4",
        "type": "passive",
        "description": "Battery 3 negative and battery 4 positive voltage connection for cell voltage detection; cell inputs are rated VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "9",
        "name": "VSS",
        "type": "power_in",
        "description": "Chip ground and battery 4 negative voltage connection; all voltage limits are referenced to VSS."
      },
      {
        "number": "10",
        "name": "TEC",
        "type": "input",
        "description": "Discharge overcurrent delay adjustment terminal, where an external CTEC sets TEC1 (TEC1 = 10 × CTEC in ms, CTEC in nF); absolute maximum is VSS-0.3 V to VSS+5.5 V."
      },
      {
        "number": "11",
        "name": "RTS",
        "type": "passive",
        "description": "Connects the NTC thermistor (B value 3950, 100 kΩ at 25 °C) for temperature detection; absolute maximum is VSS-0.3 V to VCC+0.3 V."
      },
      {
        "number": "12",
        "name": "RTV",
        "type": "passive",
        "description": "Connects the resistor to RTS that sets the high-temperature protection threshold (RT is 3× the NTC resistance at TCH); absolute maximum is VSS-0.3 V to VSS+5.5 V."
      },
      {
        "number": "13",
        "name": "VINI",
        "type": "input",
        "description": "Overcurrent detection input that senses the discharge and charge current across the sense resistor; absolute maximum is VSS-0.3 V to VCC+0.3 V."
      },
      {
        "number": "14",
        "name": "DO",
        "type": "output",
        "description": "Discharge MOSFET control output; high level is VCC-0.7 V for VCC < 12 V or 10.8 V for VCC > 12 V, and low level is VSS."
      },
      {
        "number": "15",
        "name": "CO",
        "type": "output",
        "description": "Charge MOSFET control output; absolute maximum is VSS-15 V to VCC+0.3 V, and it goes Hi-Z at low level."
      },
      {
        "number": "16",
        "name": "VM",
        "type": "input",
        "description": "Charger and load detection terminal; absolute maximum is VSS-15 V to VCC+0.3 V, with typical VM-VSS resistance of 50 kΩ."
      }
    ],
    "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: Pins 2-4 are printed VNC, but the pin table on page 4 describes them as battery 1 positive voltage c; Absolute maximum ratings and electrical values quoted in the descriptions come from the page 5 and p; KiCad types are my classification, not stated by the datasheet. Cell-sense, NTC and resistor-network"
        ],
        "pages_sent": 20,
        "cost_usd": 0.1126,
        "at": "2026-11-09T18:07:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603206373270843392",
        "pages": 20,
        "sha256": "a7dd58a197619b5f",
        "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": "cm1341-fkt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-11-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cm1341-fkt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8f6c6405dcf639bfaeccb8ffef60f72c47c14ede086261c5ba3983e5270366ca",
        "checked": "2026-11-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}