CN3170

{
  "slug": "cn3170",
  "version": "0.1.0",
  "type": "component",
  "description": "ShangHai Consonance Elec Battery Management, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "cn3170",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cn3170.kicad_sym",
    "cn3170.kicad_mod",
    "cn3170.glb",
    "cn3170.step",
    "cn3170.lbr",
    "docs/hero.png",
    "docs/cn3170-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cn3170-hero.glb",
    "cn3170-hero.overlay.json"
  ],
  "component": {
    "mpn": "CN3170",
    "manufacturer": "ShangHai Consonance Elec",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590902600865177600",
    "parts": {
      "symbol": "cn3170.kicad_sym",
      "footprint": "cn3170.kicad_mod",
      "model_3d": "cn3170-hero.glb",
      "model_3d_plain": "cn3170.glb",
      "model_3d_step": "cn3170-etched.step",
      "model_3d_step_plain": "cn3170.step",
      "lbr": "cn3170.lbr"
    },
    "distributor_links": {
      "lcsc": "C5456937"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T13:09:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TEMP",
        "type": "input",
        "description": "Battery temperature sense input: a nominal 10 kΩ NTC to GND sets the pin voltage with the 30 µA pin current, charging pauses when TEMP is below 0.1 V or above 0.85 V, and a fixed 10 kΩ resistor to GND is used if temperature monitoring is not needed."
      },
      {
        "number": "2",
        "name": "ISET",
        "type": "passive",
        "description": "Charge-current program and monitor pin: RISET from ISET to GND sets ICH = 1182V/RISET, the pin sits at 0.135 V in trickle and 1.205 V in constant-current mode, and a short to GND or an abnormally low RISET triggers overcurrent shutdown above 1.0-1.5 A."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for the device."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive input supply, specified at 4.4 V to 6 V, that powers the internal circuits; the device enters sleep mode when VIN is within 10 mV of BAT and is undervoltage-locked-out below about 2.4-2.65 V."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection that delivers the charge current and constant-voltage charge (4.2 V default); sleep-mode and UVLO battery drain is below 3 µA, and a 1 µF to 10 µF ceramic capacitor from BAT to GND is required for stability."
      },
      {
        "number": "6",
        "name": "DONE",
        "type": "output",
        "description": "Open-drain charge-complete indicator that is pulled low by an internal switch when charging ends and is high-impedance otherwise, with a 10 mA sink capability and 6 V maximum leakage rating."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charging-status indicator that is pulled low by an internal switch while charging is in progress and is high-impedance otherwise, with a 10 mA sink capability and 6 V maximum leakage rating."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Battery-voltage sense input connected directly at the battery positive terminal to regulate the constant-voltage charge to 4.2 V ±1%, with a resistor from FB to BAT raising the float voltage per VREG = 4.2 + 3.707×10⁻⁶×Rx and FB input current of 1.8-5 µA."
      },
      {
        "number": "9",
        "name": "Exposed PAD",
        "type": "power_in",
        "description": "Exposed thermal pad on the underside of the package that must be soldered to the GND copper on the PCB to achieve the maximum charge current."
      }
    ],
    "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 overbar on the DONE and CHRG pin names was lost in the extracted text; names were taken from the; The exposed pad is numbered 9 in the datasheet's pin table and is included as pin 9 with type power_; The pinout diagram ('管脚排列') is an image and not present in the text; pin numbers and names come from",
          "1/9 pin names appear NOWHERE in the datasheet text: ['9:EPAD@p4']"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0716,
        "at": "2026-10-09T13:06:54"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590902600865177600",
        "pages": 12,
        "sha256": "61c63a3179310621",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cn3170.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cn3170-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "52139f9831873c46033d165cd432574d4ae90b53cae6e2d491e0e9dd4ef54074",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}