CN3768

{
  "schema_version": 1,
  "type": "component",
  "slug": "cn3768",
  "title": "CN3768",
  "brief": "ShangHai Consonance Elec Battery Management, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "cn3768"
  ],
  "component": {
    "mpn": "CN3768",
    "manufacturer": "ShangHai Consonance Elec",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7530c790a6c34222ba4c6ec8a29b6738.pdf",
    "parts": {
      "symbol": "cn3768.kicad_sym",
      "footprint": "cn3768.kicad_mod",
      "model_3d": "cn3768-etched.glb",
      "model_3d_plain": "cn3768.glb",
      "model_3d_step": "cn3768-etched.step",
      "model_3d_step_plain": "cn3768.step",
      "lbr": "cn3768.lbr"
    },
    "distributor_links": {
      "lcsc": "C133398"
    },
    "pins": [
      {
        "number": "1",
        "name": "VG",
        "type": "power_out",
        "description": "Internal voltage regulator output. Supplies power to the internal gate-driver circuit. A 100nF capacitor must be connected between VG and VCC."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground. Negative input of the input supply and negative terminal of the battery."
      },
      {
        "number": "3",
        "name": "CHRG",
        "type": "output",
        "description": "Charge status indicator, open-drain output (active-low, denoted /CHRG). Internal transistor pulls the pin low during trickle, constant-current, and over-charge modes; otherwise the pin is high-impedance. Pull-down current typically 12mA at VCHRG=1V; leakage 1uA max at VCHRG=25V."
      },
      {
        "number": "4",
        "name": "COM",
        "type": "input",
        "description": "Loop compensation input. Connect a 120Ω resistor in series with a 220nF capacitor from this pin to GND to stabilize the current and voltage regulation loops. Absolute max 6.5V to GND."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "input",
        "description": "Battery positive-terminal connection and negative input of the charge-current sense. Connects to the battery '+' terminal; together with CSP it senses the voltage across the current-sense resistor RCS for current regulation. Typical BAT-pin current draw ~10uA at VBAT=12V."
      },
      {
        "number": "6",
        "name": "CSP",
        "type": "input",
        "description": "Positive input of the charge-current sense. Together with BAT it senses the voltage across the external current-sense resistor RCS; constant-current charging current ICH = 0.12V / RCS."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "External positive supply input; also powers the internal circuitry. Requires a decoupling/filter capacitor to GND. Operating input range 6.6V to 30V; UVLO typ 5.2V."
      },
      {
        "number": "8",
        "name": "DRV",
        "type": "output",
        "description": "Gate-drive output for the external P-channel MOSFET. Low level is clamped to (VCC − 6.5V typ, max 8V below VCC), enabling use of low-Vgs P-channel FETs. Rise/fall times typ 40ns into 2nF."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7530c790a6c34222ba4c6ec8a29b6738.pdf",
        "pages": 10,
        "sha256": "c4aac3eff069c435",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "cn3768.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cn3768-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b559e2de67977e47a366bffc7ecdec9d982c59b4d7228ff8e3f019351b1391e8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ShangHai Consonance Elec",
      "Package": "SOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cn3768"
  ],
  "discovery_pitch": "CN3768 (ShangHai Consonance Elec) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cn3768.kicad_sym",
    "cn3768.kicad_mod",
    "cn3768.glb",
    "cn3768.step",
    "cn3768-etched.step",
    "cn3768.lbr",
    "docs/hero.png",
    "docs/cn3768-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "CN3768",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:22:38.354Z"
}