MAX38889AATE+

{
  "slug": "max38889aate",
  "version": "0.1.0",
  "type": "component",
  "description": "MAXIM INTEGRATED Global Sourcing Parts, TQFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "global sourcing parts",
    "max38889aate+",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max38889aate.kicad_sym",
    "max38889aate.kicad_mod",
    "max38889aate.glb",
    "max38889aate.step",
    "max38889aate.lbr",
    "docs/hero.png",
    "docs/max38889aate-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max38889aate-hero.glb",
    "max38889aate-hero.overlay.json",
    "max38889aate-etched.glb"
  ],
  "component": {
    "mpn": "MAX38889AATE+",
    "manufacturer": "MAXIM INTEGRATED",
    "package": "TQFN-16(3x3)",
    "pin_count": 17,
    "category": "Global Sourcing Parts",
    "subcategory": "Global Sourcing Parts",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/max38889.pdf",
    "parts": {
      "symbol": "max38889aate.kicad_sym",
      "footprint": "max38889aate.kicad_mod",
      "model_3d": "max38889aate-hero.glb",
      "model_3d_plain": "max38889aate-etched.glb",
      "model_3d_step": "max38889aate-etched.step",
      "model_3d_step_plain": "max38889aate.step",
      "lbr": "max38889aate.lbr"
    },
    "distributor_links": {
      "lcsc": "C5155969",
      "digikey": "505-MAX38889AATE+-ND",
      "mouser": "700-MAX38889AATE+"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:03:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-MAX38889AATE+-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "700-MAX38889AATE+",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ENC",
        "type": "input",
        "description": "Charger enable input: drive high to enable supercapacitor charging while VSYS is above the charging threshold, drive low to disable charging, with ENC above 950mV and tied to SYS if not driven."
      },
      {
        "number": "2",
        "name": "ENB",
        "type": "input",
        "description": "Backup enable input: drive high to enable system backup when VSYS drops below the backup threshold, drive low to disable backup, with ENB above 950mV and tied to SYS if not driven."
      },
      {
        "number": "3",
        "name": "RDY",
        "type": "output",
        "description": "Ready status pin: open-drain output with a pullup to a logic supply, pulled low when VFBCR is below 0.5V and released when it is above 0.5V, and pulled low when VENC and VENB are both low."
      },
      {
        "number": "4",
        "name": "BKB",
        "type": "output",
        "description": "Backup status pin: open-drain output with a pullup to a logic supply, pulled low when VFBS is regulating at 1.2V and released when VFBS is above 1.23V."
      },
      {
        "number": "5",
        "name": "CAP",
        "type": "passive",
        "description": "Supercapacitor connection: connect to a supercapacitor rated 0.8V to 5V, with a 22µF high-frequency capacitor placed close to the pin."
      },
      {
        "number": "6",
        "name": "LX",
        "type": "passive",
        "description": "Inductor switching node: connect a 0.47µH inductor from LX to CAP and keep it separated from the feedback nodes FBS, FBCH and FBCR as much as possible."
      },
      {
        "number": "7",
        "name": "LX",
        "type": "passive",
        "description": "Inductor switching node: connect a 0.47µH inductor from LX to CAP and keep it separated from the feedback nodes FBS, FBCH and FBCR as much as possible."
      },
      {
        "number": "8",
        "name": "LX",
        "type": "passive",
        "description": "Inductor switching node: connect a 0.47µH inductor from LX to CAP and keep it separated from the feedback nodes FBS, FBCH and FBCR as much as possible."
      },
      {
        "number": "9",
        "name": "FBCR",
        "type": "input",
        "description": "Supercapacitor ready input: RDY goes high when VFBCR reaches 0.5V."
      },
      {
        "number": "10",
        "name": "FBCH",
        "type": "input",
        "description": "Supercapacitor feedback input: a resistor divider from CAP to FBCH to GND sets the maximum supercapacitor charging voltage, and charging halts when VFBCH reaches 0.5V."
      },
      {
        "number": "11",
        "name": "FBS",
        "type": "input",
        "description": "System feedback input: a resistor divider from SYS to FBS to GND sets the system backup operating voltage, and charging from SYS begins when VFBS is above 102.5% of VFBS_BU."
      },
      {
        "number": "12",
        "name": "ISET",
        "type": "passive",
        "description": "Charge/discharge current select: sets ICAP_CHG = 1.5A x (33kΩ/RISET) during charging and peak backup inductor current ILX_BU = 3A x (33kΩ/RISET), with RISET from 33kΩ to 100kΩ."
      },
      {
        "number": "13",
        "name": "SYS",
        "type": "power_in",
        "description": "System supply: connect to the system supply, bypass with 2x47µF and 2x22µF ceramic capacitors to PGND, and place a 1µF high-frequency filter capacitor close to the part across SYS and PGND."
      },
      {
        "number": "14",
        "name": "SYS",
        "type": "power_in",
        "description": "System supply: connect to the system supply, bypass with 2x47µF and 2x22µF ceramic capacitors to PGND, and place a 1µF high-frequency filter capacitor close to the part across SYS and PGND."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the switching power path."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the switching power path."
      },
      {
        "number": "17",
        "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": [],
        "pages_sent": 17,
        "cost_usd": 0.0288,
        "at": "2026-10-28T16:03:00"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/max38889.pdf",
        "pages": 17,
        "sha256": "76c88f69bb2cb1f4",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "max38889aate.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max38889aate-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "footprint_binding": "identity",
        "sha256": "8f02e8c15f41e3bc66d3d4060851ea485d938093628edc3bf7d82b832249ed9c",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}