LMR14030SDDAR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lmr14030sddar",
  "title": "LMR14030SDDAR",
  "brief": "Texas Instruments DC-DC Converters, SO-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "lmr14030sddar"
  ],
  "component": {
    "mpn": "LMR14030SDDAR",
    "manufacturer": "Texas Instruments",
    "package": "SO-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lmr14030sddar.pdf",
    "parts": {
      "symbol": "lmr14030sddar.kicad_sym",
      "footprint": "lmr14030sddar.kicad_mod",
      "model_3d": "lmr14030sddar-etched.glb",
      "model_3d_plain": "lmr14030sddar.glb",
      "model_3d_step": "lmr14030sddar-etched.step",
      "model_3d_step_plain": "lmr14030sddar.step",
      "lbr": "lmr14030sddar.lbr"
    },
    "distributor_links": {
      "digikey": "296-44321-2-ND",
      "lcsc": "C182078"
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap capacitor connection for the high-side MOSFET driver. Connect a high-quality 0.1 µF capacitor from BOOT to SW. Absolute max 49 V to GND, 6.5 V to SW."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, 4 V to 40 V recommended (44 V abs max). Connect bypass capacitor C_IN as close as possible between VIN and GND."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Precision enable input with internal pull-up current source. Pull below 1.2 V (typ) to disable; float or connect to VIN to enable. Can be used with a resistor divider to set input UVLO. EN threshold 1.05-1.38 V."
      },
      {
        "number": "4",
        "name": "RT/SYNC",
        "type": "bidirectional",
        "description": "Resistor timing / external clock synchronization input. An internal amplifier holds this pin at a fixed voltage; an external resistor to GND sets switching frequency (200 kHz-2.5 MHz). Pulling above the PLL threshold switches the pin to a high-impedance sync clock input (250 kHz-2.3 MHz). Abs max 3.6 V."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input pin. Connect to the output feedback divider to set V_OUT. Reference V_FB = 0.750 V typ. Do not short to ground during operation. Abs max 7 V."
      },
      {
        "number": "6",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start control pin. Connect a capacitor from SS to GND to program the soft-start ramp time. Internal charge current 3 µA typ. Abs max 5 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "System ground pin. Return for VIN bypass and all control circuitry."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "power_out",
        "description": "Switching output of the regulator, internally connected to the high-side power MOSFET drain. Connect to the power inductor and catch/Schottky diode. Recommended range -1 V to 40 V (abs max -3 V to 44 V)."
      },
      {
        "number": "9",
        "name": "PAD",
        "type": "power_in",
        "description": "Exposed thermal pad on the package bottom. Major heat-dissipation path of the die; must be soldered to the PCB ground plane for proper thermal performance."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lmr14030sddar.pdf",
        "pages": 30,
        "sha256": "86735f604f09329c",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.78,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TI_SO-PowerPAD-8@sha256:251b438f7e2e0404",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lmr14030sddar.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "53b055ee4d166c0b9de551669cc1294f95b96baacbfe26d9316b576c1ce29fbf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lmr14030sddar-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "609de17267cc2700e740ee7e39e16ecdf35d089470d4932590f1a546e5213dde",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SO-8-EP",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lmr14030sddar"
  ],
  "discovery_pitch": "LMR14030SDDAR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lmr14030sddar.kicad_sym",
    "lmr14030sddar.kicad_mod",
    "lmr14030sddar.glb",
    "lmr14030sddar.step",
    "lmr14030sddar-etched.step",
    "lmr14030sddar.lbr",
    "docs/hero.png",
    "docs/lmr14030sddar-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "LMR14030SDDAR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T17:21:50.621Z"
}