CN3303

{
  "slug": "cn3303",
  "version": "0.1.0",
  "type": "component",
  "description": "ShangHai Consonance Elec DC-DC Controllers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "power supply chip",
    "cn3303",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "path": "docs/hero.png"
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    "README.md",
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    "cn3303.lbr",
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    "docs/cn3303-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cn3303-hero.glb",
    "cn3303-hero.overlay.json",
    "cn3303-etched.glb"
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  "component": {
    "mpn": "CN3303",
    "manufacturer": "ShangHai Consonance Elec",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Controllers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d4da46f62b23b311128947d9c60a7c44.pdf",
    "parts": {
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      "lbr": "cn3303.lbr"
    },
    "distributor_links": {
      "lcsc": "C3034873"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T08:06:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
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    },
    "pins": [
      {
        "number": "1",
        "name": "STAT",
        "type": "output",
        "description": "CMOS charge-status output that is high while charging and low when charging is finished, and can drive an LED or interface with an MCU."
      },
      {
        "number": "2",
        "name": "CE",
        "type": "input",
        "description": "Chip-enable input: a high level gives normal operation and a low level disables the device, with input low at or below 0.7 V and input high at or above 2.2 V, and voltages between 0.7 V and 2.2 V must be avoided."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "input",
        "description": "Battery-voltage feedback input connected directly to the battery positive terminal, where the charge-termination threshold is 12.6 V typical."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground that connects to the negative terminals of the input supply and the battery, and should be routed to system ground separately from the power-stage copper."
      },
      {
        "number": "5",
        "name": "LDRV",
        "type": "output",
        "description": "Gate-drive output for the external N-channel power MOSFET, with output current of 0.65 A typical and output high level of VCC-0.3 V minimum."
      },
      {
        "number": "6",
        "name": "HDRV",
        "type": "output",
        "description": "Gate-drive output for the external P-channel MOSFET, needed only when low-battery or battery-short protection is required and left floating otherwise, with output current of 0.8 A typical."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive supply input that powers the internal circuits and is the positive sense input for inductor current; operating range is 2.7 V to 6.5 V and the absolute maximum is 7.0 V."
      },
      {
        "number": "8",
        "name": "CSN",
        "type": "input",
        "description": "Inductor-current sense negative input, with the sense resistor connected between VIN and CSN and the normal (VIN-CSN) limits of 125 mV typical upper and 85 mV typical lower."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "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": [
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        ],
        "pages_sent": 13,
        "cost_usd": 0.055,
        "at": "2026-10-21T08:02:06"
      },
      "datasheet": {
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        "pages": 13,
        "sha256": "c222bff8175062f1",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "checked": "2026-10-21",
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}