CN3302

{
  "schema_version": 1,
  "type": "component",
  "slug": "cn3302",
  "title": "CN3302",
  "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",
    "cn3302"
  ],
  "component": {
    "mpn": "CN3302",
    "manufacturer": "ShangHai Consonance Elec",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/38b504317ba05defbd8cfe1426d7b638.pdf",
    "parts": {
      "symbol": "cn3302.kicad_sym",
      "footprint": "cn3302.kicad_mod",
      "model_3d": "cn3302-etched.glb",
      "model_3d_plain": "cn3302.glb",
      "model_3d_step": "cn3302-etched.step",
      "model_3d_step_plain": "cn3302.step",
      "lbr": "cn3302.lbr"
    },
    "distributor_links": {
      "lcsc": "C559039"
    },
    "pins": [
      {
        "number": "1",
        "name": "STAT",
        "type": "output",
        "description": "Charge status indicator output (CMOS). High level indicates the charger is in charging state; low level indicates charging has ended. Can drive an LED directly or interface with an MCU input; sink/source capability ~10mA."
      },
      {
        "number": "2",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input. A high level (>=2.2V) enables normal operation; a low level (<=0.7V) shuts CN3302 down. Compatible with TTL/CMOS logic levels; do not leave floating between 0.7V and 2.2V."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "input",
        "description": "Battery voltage feedback input. Connects directly to the positive terminal of the 2-cell Li-ion battery to sense pack voltage (charge termination 8.4V typ, recharge 8.095V typ, over-voltage protection ~1.0663 x Vterm). Absolute max -0.3V to 18V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground / device return. Common ground for the input supply and the battery negative terminal."
      },
      {
        "number": "5",
        "name": "LDRV",
        "type": "output",
        "description": "Gate driver output for the external low-side N-channel power MOSFET. Drives the switch that stores energy in the boost inductor; typical peak drive current ~0.65A, VOH >= VCC-0.3V, VOL <= 0.3V."
      },
      {
        "number": "6",
        "name": "HDRV",
        "type": "output",
        "description": "Gate driver output for an optional external high-side P-channel power MOSFET. Used only when low-battery / short-circuit protection with buck-mode operation is needed; leave floating if not used. Typical peak drive current ~0.8A."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive supply input (2.75V to 6.5V) that powers the internal circuitry and also serves as the positive terminal of the inductor / input current sense. Quiescent current ~280 uA at VBAT=8.6V, no switching."
      },
      {
        "number": "8",
        "name": "CSN",
        "type": "input",
        "description": "Inductor / input current sense negative input. A sense resistor Rcs is connected between VIN and CSN; in normal operation (VIN-CSN) has an upper threshold of ~125 mV and lower threshold of ~85 mV (constant-current mode)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/38b504317ba05defbd8cfe1426d7b638.pdf",
        "pages": 13,
        "sha256": "551905dad923bfdc",
        "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": "cn3302.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": "cn3302-etched.step",
        "role": "eda",
        "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": "1449ae76bc2256b47cf5ec2ecdcfe9198d9e975a8847064531531b19bff421c8",
        "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": [
    "cn3302"
  ],
  "discovery_pitch": "CN3302 (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",
    "cn3302.kicad_sym",
    "cn3302.kicad_mod",
    "cn3302.glb",
    "cn3302.step",
    "cn3302-etched.step",
    "cn3302.lbr",
    "docs/hero.png",
    "docs/cn3302-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "CN3302",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:21:27.117Z"
}