CM1270-LCA-A

{
  "slug": "cm1270-lca-a",
  "version": "0.1.0",
  "type": "component",
  "description": "iCM(创芯微) , MSOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "ic",
    "cm1270-lca-a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cm1270-lca-a.kicad_sym",
    "cm1270-lca-a.kicad_mod",
    "cm1270-lca-a.glb",
    "cm1270-lca-a.step",
    "cm1270-lca-a.lbr",
    "docs/hero.png",
    "docs/cm1270-lca-a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cm1270-lca-a-hero.glb",
    "cm1270-lca-a-hero.overlay.json",
    "cm1270-lca-a-etched.glb"
  ],
  "component": {
    "mpn": "CM1270-LCA-A",
    "manufacturer": "iCM(创芯微)",
    "package": "MSOP-10",
    "pin_count": 10,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349791879409664",
    "parts": {
      "symbol": "cm1270-lca-a.kicad_sym",
      "footprint": "cm1270-lca-a.kicad_mod",
      "model_3d": "cm1270-lca-a-hero.glb",
      "model_3d_plain": "cm1270-lca-a-etched.glb",
      "model_3d_step": "cm1270-lca-a-etched.step",
      "model_3d_step_plain": "cm1270-lca-a.step",
      "lbr": "cm1270-lca-a.lbr"
    },
    "distributor_links": {
      "lcsc": "C22446480"
    },
    "distributor_check": {
      "checked_at": "2026-11-11T04:42:24Z",
      "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": "Chip supply terminal; the absolute maximum supply voltage is VSS-0.3 V to VSS+40 V."
      },
      {
        "number": "2",
        "name": "VC1",
        "type": "input",
        "description": "Positive voltage terminal of cell 1 for overcharge voltage detection; the cell-to-cell input voltage (VC1-VC2) is limited to 0 to 12 V absolute maximum."
      },
      {
        "number": "3",
        "name": "VC2",
        "type": "input",
        "description": "Positive voltage terminal of cell 2 and negative connection of cell 1; the cell input voltage (VC2-VC3) is limited to 0 to 12 V absolute maximum."
      },
      {
        "number": "4",
        "name": "VC3",
        "type": "input",
        "description": "Positive voltage terminal of cell 3 and negative connection of cell 2; the cell input voltage (VC3-VC4) is limited to 0 to 12 V absolute maximum."
      },
      {
        "number": "5",
        "name": "VC4",
        "type": "input",
        "description": "Positive voltage terminal of cell 4 and negative connection of cell 3; the cell input voltage (VC4-VC5) is limited to 0 to 12 V absolute maximum."
      },
      {
        "number": "6",
        "name": "VC5",
        "type": "input",
        "description": "Positive voltage terminal of cell 5 and negative connection of cell 4; the cell input voltage (VC5-VC6) is limited to 0 to 12 V absolute maximum."
      },
      {
        "number": "7",
        "name": "VC6",
        "type": "input",
        "description": "Positive voltage terminal of cell 6 and negative connection of cell 5; the cell input voltage (VC6-VC7) is limited to 0 to 12 V absolute maximum."
      },
      {
        "number": "8",
        "name": "VC7",
        "type": "input",
        "description": "Positive voltage terminal of cell 7 and negative connection of cell 6; the cell input voltage (VC7-VSS) is limited to 0 to 12 V absolute maximum."
      },
      {
        "number": "9",
        "name": "VSS",
        "type": "power_in",
        "description": "Chip ground terminal, the reference for the supply and cell voltage limits."
      },
      {
        "number": "10",
        "name": "CO",
        "type": "output",
        "description": "Charge-control connection that drives the external MOSFET for overcharge protection; the CO terminal voltage is limited to VSS-0.3 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 datasheet does not give an ERC class for the VC sense pins. 'input' was chosen because they only; VSS is typed power_in as GND per the brief. The datasheet only calls it the chip ground terminal.; The pinout is the CM1270-A series pinout (Table 2 and Figure 3). The datasheet does not print a sepa"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0668,
        "at": "2026-11-11T04:42:12"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349791879409664",
        "pages": 15,
        "sha256": "bfdb452ec1827bd0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cm1270-lca-a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b8f88eac3ce221c2ccb0b5048f9ad49c2ef4af148f8ae50c4e232e357683f547",
        "checked": "2026-11-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cm1270-lca-a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f9afff94dd79c147931a864774219882e24ce0746af257e9eef2d35775d609bb",
        "checked": "2026-11-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "MSOP10",
      "source_page": 12,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          2.8,
          3.2
        ]
      },
      "E1": {
        "nom_mm": 3.0,
        "range_mm": [
          2.8,
          3.2
        ]
      },
      "E": {
        "nom_mm": 4.9,
        "range_mm": [
          4.7,
          5.1
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.1,
        "range_mm": [
          null,
          1.1
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "cm1270-lca-a.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}