CM1341-LAT

{
  "slug": "cm1341-lat",
  "version": "0.1.0",
  "type": "component",
  "description": "iCM(创芯微) Battery Management, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "cm1341-lat",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cm1341-lat.kicad_sym",
    "cm1341-lat.kicad_mod",
    "cm1341-lat.glb",
    "cm1341-lat.step",
    "cm1341-lat.lbr",
    "docs/hero.png",
    "docs/cm1341-lat-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cm1341-lat-hero.glb",
    "cm1341-lat-hero.overlay.json",
    "cm1341-lat-etched.glb"
  ],
  "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",
      "model_3d": "cm1341-lat-hero.glb",
      "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": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349410449539072",
        "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": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cm1341-lat.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": "2026-11-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cm1341-lat-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": "b5a5c6902c33e30feef8c8744a73b3beaa6521f3dbb1a43fdfca8cc6299b2c40",
        "checked": "2026-11-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "TSSOP16",
      "source_page": 19,
      "D": {
        "nom_mm": 5.1,
        "range_mm": [
          4.9,
          5.3
        ]
      },
      "E1": {
        "nom_mm": 4.4,
        "range_mm": [
          4.2,
          4.6
        ]
      },
      "E": {
        "nom_mm": 6.4,
        "range_mm": [
          6.2,
          6.6
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "cm1341-lat.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}