LM3489MM

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm3489mm",
  "title": "LM3489MM",
  "brief": "Texas Instruments DC-DC Converters, VSSOP-8-0.65mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm3489mm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM3489MM",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8-0.65mm",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm3489",
    "parts": {
      "symbol": "lm3489mm.kicad_sym",
      "footprint": "lm3489mm.kicad_mod",
      "model_3d": "lm3489mm-hero.glb",
      "model_3d_plain": "lm3489mm.glb",
      "model_3d_step": "lm3489mm-etched.step",
      "model_3d_step_plain": "lm3489mm.step",
      "lbr": "lm3489mm.lbr"
    },
    "distributor_links": {
      "lcsc": "C129961",
      "digikey": "LM3489MMTR-ND",
      "mouser": "926-LM3489MM"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T02:21:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM3489MMTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM3489MM",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ISENSE",
        "type": "input",
        "description": "The current sense input must be connected to the PFET drain terminal directly or through a series resistor up to 600 Ω for 28 V > VIN > 35 V (limit as printed in the datasheet)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground for the controller."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: connect to ground to shut down the part or float to enable operation (internally pulled high and clamped at 8 V typical); recommended EN voltage is 5.5 V maximum, and it can also be used for a UVLO function."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input; connect to a resistor voltage divider between the output and GND to set the adjustable output voltage."
      },
      {
        "number": "5",
        "name": "ADJ",
        "type": "input",
        "description": "Current limit threshold adjustment pin tied to an internal 5.5 µA current source; a resistor between this pin and VIN sets the overcurrent threshold compared against the ISENSE voltage."
      },
      {
        "number": "6",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the external PFET gate drive."
      },
      {
        "number": "7",
        "name": "PGATE",
        "type": "output",
        "description": "Gate drive output for the external PFET, which swings between VIN and VIN minus 5 V."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input pin; recommended VIN supply range is 4.5 V to 35 V."
      }
    ],
    "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 ISENSE series-resistor limit is garbled in the extracted text ('for 28 V > VIN > 35 V'), which i; The PGATE swing is printed as 'VIN and VIN 5-V' with the minus sign apparently lost in extraction. I; The datasheet lists VIN as type 'I'. I mapped it to KiCad power_in because it is the supply input; t"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0498,
        "at": "2026-10-08T02:21:07"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm3489",
        "pages": 28,
        "sha256": "8486c86e0ce9150d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm3489mm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.1,
          2,
          0.85
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "353552981eef35cb93635057d4aeb89aef22648c77af6fd095e328bfe6b834bd",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm3489mm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.1,
          2,
          0.85
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0a18b7aaac57bf8393c1161ef54b661e24a6f934700a5c127e0e6f6b55c33a2e",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VSSOP-8-0.65mm",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm3489mm"
  ],
  "discovery_pitch": "LM3489MM (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm3489mm.kicad_sym",
    "lm3489mm.kicad_mod",
    "lm3489mm.glb",
    "lm3489mm.step",
    "lm3489mm.lbr",
    "docs/hero.png",
    "docs/lm3489mm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm3489mm-hero.glb",
    "lm3489mm-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}