LP2998QMRX

{
  "slug": "lp2998qmrx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Power Management - Specialized, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lp2998qmrx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lp2998qmrx.kicad_sym",
    "lp2998qmrx.kicad_mod",
    "lp2998qmrx.glb",
    "lp2998qmrx.step",
    "lp2998qmrx.lbr",
    "docs/hero.png",
    "docs/lp2998qmrx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lp2998qmrx-hero.glb",
    "lp2998qmrx-hero.overlay.json"
  ],
  "component": {
    "mpn": "LP2998QMRX",
    "manufacturer": "Texas Instruments",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Management - Specialized",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lp2998-q1",
    "parts": {
      "symbol": "lp2998qmrx.kicad_sym",
      "footprint": "lp2998qmrx.kicad_mod",
      "model_3d": "lp2998qmrx-hero.glb",
      "model_3d_plain": "lp2998qmrx.glb",
      "model_3d_step": "lp2998qmrx-etched.step",
      "model_3d_step_plain": "lp2998qmrx.step",
      "lbr": "lp2998qmrx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2650364"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T15:45:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator; the exposed pad must also be connected to ground."
      },
      {
        "number": "2",
        "name": "SD",
        "type": "input",
        "description": "Active-low shutdown pin that tri-states VTT while VREF stays active; it has an internal pull-up so it can connect to AVIN or be left open, and its input voltage is limited to 0 V to AVIN."
      },
      {
        "number": "3",
        "name": "VSENSE",
        "type": "input",
        "description": "Feedback pin for regulating VTT, which should be connected to the middle of the termination bus for improved remote load regulation, or to VTT if remote regulation is not used."
      },
      {
        "number": "4",
        "name": "VREF",
        "type": "power_in",
        "description": "Buffered output of the internal reference VDDQ/2 for the chipset and memory, recommended to be bypassed with a 0.1 µF to 0.01 µF ceramic capacitor, and it remains active during shutdown."
      },
      {
        "number": "5",
        "name": "VDDQ",
        "type": "input",
        "description": "Input used to create the internal reference equal to VDDQ/2, which must be less than 2 x (AVIN - 1) or 6 V, whichever is smaller, per the absolute maximum ratings."
      },
      {
        "number": "6",
        "name": "AVIN",
        "type": "power_in",
        "description": "Supply pin for the internal control circuitry, with a recommended range of 2.2 V to 5.5 V referenced to GND."
      },
      {
        "number": "7",
        "name": "PVIN",
        "type": "power_in",
        "description": "Supply rail for the VTT output stage, which must be equal to or lower than AVIN and is recommended to be 3.3 V or less to avoid thermal limiting."
      },
      {
        "number": "8",
        "name": "VTT",
        "type": "power_out",
        "description": "Regulated termination output that sinks and sources a continuous current of 1.5 A with transient peaks up to 3 A."
      }
    ],
    "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 exact MPN LP2998QMRX is not listed verbatim; the package option addendum (page 24) lists LP2998Q; The exposed pad is labeled EP rather than a numeric pin number, and it is not a numbered package pin; The pin-configuration page's top-view diagram text is garbled, so pin positions were taken from the ",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0616,
        "at": "2026-10-10T15:45:43"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lp2998-q1",
        "pages": 42,
        "sha256": "8f3b293771e0fafc",
        "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"
    },
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        "file": "lp2998qmrx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp2998qmrx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "218a1052a7e24bbc0f1e94f9878228df31820a5df16491ceadcc87bcba01842d",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}