MAX17320G22+

{
  "slug": "max17320g22",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Inc Maxim Integrated Battery Management, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "max17320g22+",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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    "README.md",
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    "max17320g22.glb",
    "max17320g22.step",
    "max17320g22.lbr",
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    "docs/max17320g22-datasheet.pdf",
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  "component": {
    "mpn": "MAX17320G22+",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919950132056064",
    "parts": {
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      "model_3d_step_plain": "max17320g22.step",
      "lbr": "max17320g22.lbr"
    },
    "distributor_links": {
      "lcsc": "C2914309",
      "digikey": "505-MAX17320G22+-ND",
      "mouser": "700-MAX17320G22+"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:55:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-MAX17320G22+-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "700-MAX17320G22+",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Power supply input connected to the positive terminal of the cell stack through a 10Ω resistor, bypassed with a 0.1µF/25V ceramic capacitor to GND."
      },
      {
        "number": "2",
        "name": "CP",
        "type": "power_out",
        "description": "Charge pump output and bypass, bypassed to IN with a 0.47µF/25V ceramic capacitor."
      },
      {
        "number": "3",
        "name": "CHG",
        "type": "output",
        "description": "Charge FET gate control that enables or disables the high-side CHG N-FET by driving its gate between CP and IN, with a 0.1µF capacitor from gate to source."
      },
      {
        "number": "4",
        "name": "DIS",
        "type": "output",
        "description": "Discharge FET gate control that enables or disables the high-side DIS N-FET by driving its gate between CP and PCKP."
      },
      {
        "number": "5",
        "name": "ZVC",
        "type": "passive",
        "description": "Zero-volt charge path where the recovery charge current is set by the resistor from PCKP to ZVC, and it is left open if not used."
      },
      {
        "number": "6",
        "name": "PCKP",
        "type": "passive",
        "description": "Connects to the positive terminal of the pack connector through 1kΩ."
      },
      {
        "number": "7",
        "name": "ALRT",
        "type": "output",
        "description": "Programmable alert output."
      },
      {
        "number": "8",
        "name": "SCL/OD",
        "type": "input",
        "description": "Input-only serial clock for I2C communication or speed selection for 1-Wire communication, with an internal pulldown used for sensing pack disconnection."
      },
      {
        "number": "9",
        "name": "SDA/DQ",
        "type": "bidirectional",
        "description": "Open-drain serial data input/output for both 1-Wire and I2C modes, connected to the DATA terminal of the battery pack, with an internal pulldown used for sensing pack disconnection."
      },
      {
        "number": "10",
        "name": "TH1",
        "type": "passive",
        "description": "Thermistor input 1 for a 10k/100k thermistor connected to GND; leave disconnected or connect to GND if not used."
      },
      {
        "number": "11",
        "name": "PFAIL",
        "type": "output",
        "description": "Permanent failure indicator connected to a three-terminal fuse for primary FET failure action; if not used, connect to GND through a 1kΩ resistor."
      },
      {
        "number": "12",
        "name": "AOLDO",
        "type": "power_out",
        "description": "Always-on LDO configurable as 3.4V or 1.8V, bypassed to GND with a 0.47µF/10V ceramic capacitor, or connected to GND with a 10kΩ resistor if not used."
      },
      {
        "number": "13",
        "name": "REG3",
        "type": "power_out",
        "description": "Internal 3.4V regulator output bypassed to GND with a 0.47µF/10V ceramic capacitor."
      },
      {
        "number": "14",
        "name": "CSN",
        "type": "power_in",
        "description": "System ground and current-measurement negative sense point, Kelvin-connected to the load side of the sense resistor."
      },
      {
        "number": "15",
        "name": "CSP",
        "type": "power_in",
        "description": "Device ground and current-measurement positive sense point, Kelvin-connected to the cell side of the sense resistor."
      },
      {
        "number": "16",
        "name": "TH2",
        "type": "passive",
        "description": "Thermistor input 2 for a 10k/100k thermistor connected to GND; leave disconnected or connect to GND if not used."
      },
      {
        "number": "17",
        "name": "REG2",
        "type": "power_out",
        "description": "Internal 1.8V regulator output bypassed to GND with a 0.47µF/10V ceramic capacitor."
      },
      {
        "number": "18",
        "name": "TH3",
        "type": "passive",
        "description": "Thermistor input 3 for a 10k/100k thermistor connected to GND; leave disconnected or connect to GND if not used."
      },
      {
        "number": "19",
        "name": "TH4",
        "type": "passive",
        "description": "Thermistor input 4 for a 10k/100k thermistor connected to GND; leave disconnected or connect to GND if not used."
      },
      {
        "number": "20",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must connect to ground and must not share the ground trace with the CSP Kelvin-sense trace."
      },
      {
        "number": "21",
        "name": "CELL1",
        "type": "passive",
        "description": "Cell voltage sense 1 used for cell balancing and voltage sensing."
      },
      {
        "number": "22",
        "name": "CELL2",
        "type": "passive",
        "description": "Cell voltage sense 2 used for cell balancing and voltage sensing."
      },
      {
        "number": "23",
        "name": "CELL3",
        "type": "passive",
        "description": "Cell voltage sense 3 used for cell balancing and voltage sensing."
      },
      {
        "number": "24",
        "name": "BATTS",
        "type": "passive",
        "description": "Battery voltage sense of the top cell in the series stack, used for cell balancing and voltage sensing."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 text provided does not describe an exposed pad (EP) for the 24-pin TQFN, so no EP pin ; The TQFN pin diagram on page 31 only shows a few labels in the extracted text; pin numbers and names; Pin types for CSN and CSP are classified as power_in because the datasheet calls them system ground ",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 15,
        "cost_usd": 0.098,
        "at": "2026-10-18T02:53:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919950132056064",
        "pages": 179,
        "sha256": "4c96fe0d8b1fe60d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}