MAX17205G+T

{
  "slug": "max17205g-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Inc Maxim Integrated Battery Management, TDFN-14-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "max17205g+t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max17205g-t.kicad_sym",
    "max17205g-t.kicad_mod",
    "max17205g-t.glb",
    "max17205g-t.step",
    "max17205g-t.lbr",
    "docs/hero.png",
    "docs/max17205g-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max17205g-t-hero.glb",
    "max17205g-t-hero.overlay.json",
    "max17205g-t-etched.glb"
  ],
  "component": {
    "mpn": "MAX17205G+T",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "TDFN-14-EP(3x3)",
    "pin_count": 15,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912115415048192",
    "parts": {
      "symbol": "max17205g-t.kicad_sym",
      "footprint": "max17205g-t.kicad_mod",
      "model_3d": "max17205g-t-hero.glb",
      "model_3d_plain": "max17205g-t-etched.glb",
      "model_3d_step": "max17205g-t-etched.step",
      "model_3d_step_plain": "max17205g-t.step",
      "lbr": "max17205g-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C401140",
      "digikey": "MAX17205G+TTR-ND",
      "mouser": "700-MAX17205G+T"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T22:39:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MAX17205G+TTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "700-MAX17205G+T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REG3",
        "type": "power_out",
        "description": "Internal 3.4V regulator output that must be bypassed with an external 0.47µF capacitor on the MAX17205 (connect REG3 to VBATT on the MAX17201)."
      },
      {
        "number": "2",
        "name": "CSP",
        "type": "input",
        "description": "Current measurement positive sense point that must be Kelvin-connected to the cell side of the sense resistor."
      },
      {
        "number": "3",
        "name": "REG2",
        "type": "power_out",
        "description": "Internal 1.8V regulator output that must be bypassed with an external 0.47µF capacitor to CSN, with REG2 to CSN rated -0.3V to +2.2V."
      },
      {
        "number": "4",
        "name": "CSN",
        "type": "power_in",
        "description": "Device ground and current measurement negative sense point that must be Kelvin-connected to the load side of the sense resistor."
      },
      {
        "number": "5",
        "name": "VBATT",
        "type": "power_in",
        "description": "Power-supply and battery voltage sense input connected to the positive terminal of the cell stack, bypassed with an RC filter to CSN."
      },
      {
        "number": "6",
        "name": "CELL2",
        "type": "input",
        "description": "Voltage sense input for the second or middle cell, where its series resistance sets the balancing current and it also serves as the external divider gate drive for CELLx pack measurement."
      },
      {
        "number": "7",
        "name": "CELL1",
        "type": "input",
        "description": "Voltage sense input for the bottom cell, where its series resistance sets the balancing current."
      },
      {
        "number": "8",
        "name": "ALRT1",
        "type": "output",
        "description": "Programmable open-drain alert output that requires an external pullup to generate a logic-high, with a continuous sink current limit of 20mA."
      },
      {
        "number": "9",
        "name": "AIN1",
        "type": "input",
        "description": "Auxiliary voltage input 1 that receives the voltage from the external thermal-measurement network."
      },
      {
        "number": "10",
        "name": "AIN2",
        "type": "input",
        "description": "Auxiliary voltage input 2 that receives the voltage from the external thermal-measurement network."
      },
      {
        "number": "11",
        "name": "OD/SCL",
        "type": "input",
        "description": "Input-only pin that serves as the I2C serial clock or the 1-Wire speed selection, with an internal pulldown used to sense pack disconnection."
      },
      {
        "number": "12",
        "name": "DQ/SDA",
        "type": "bidirectional",
        "description": "Serial data input/output for both 1-Wire and I2C modes using an open-drain driver, with an internal pulldown used to sense pack disconnection and a continuous sink current limit of 20mA."
      },
      {
        "number": "13",
        "name": "CELLx",
        "type": "input",
        "description": "High-impedance voltage measurement channel that connects to an external voltage divider for measuring cell stacks larger than 4S."
      },
      {
        "number": "14",
        "name": "THRM",
        "type": "output",
        "description": "Thermistor bias connection to the high side of the thermistor divider, biased to the REG3 voltage during AIN1 and AIN2 measurement, with a continuous source current limit of 20mA."
      },
      {
        "number": "15",
        "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 exposed pad is not a numbered pin; it is listed as 'EP' in the pin table and is included here as; The pin table does not give a KiCad electrical type. Types for REG3 (power_out), ALRT1 (output, open; The pin table describes REG3 differently for the MAX17205 (external 0.47µF bypass) and the MAX17201 ",
          "exposed pad 15 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1244,
        "at": "2026-10-20T22:37:06"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912115415048192",
        "pages": 115,
        "sha256": "7a77e041ceb5fd46",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 15,
        "described": 15,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "file": "max17205g-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "87c79f888fa130ae597ee6cd19fcfec832fd9fd8c7b5adaac3852b90e528964c",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max17205g-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
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        "footprint_binding": "identity",
        "sha256": "a2f7e15308cf6538a2dca7c21cfc3735489ec46490c7bbb3c7819eb7587d881a",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}