LMR16030SDDAR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lmr16030sddar",
  "title": "LMR16030SDDAR",
  "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",
    "lmr16030sddar"
  ],
  "component": {
    "mpn": "LMR16030SDDAR",
    "manufacturer": "Texas Instruments",
    "package": "SO-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lmr16030sddar.pdf",
    "parts": {
      "symbol": "lmr16030sddar.kicad_sym",
      "footprint": "lmr16030sddar.kicad_mod",
      "model_3d": "lmr16030sddar-etched.glb",
      "model_3d_plain": "lmr16030sddar.glb",
      "model_3d_step": "lmr16030sddar-etched.step",
      "model_3d_step_plain": "lmr16030sddar.step",
      "lbr": "lmr16030sddar.lbr"
    },
    "distributor_links": {
      "digikey": "296-47797-2-ND",
      "lcsc": "C136648"
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap capacitor connection for the high-side MOSFET gate driver. Connect a high-quality 0.1 µF capacitor from BOOT to SW. BOOT-to-SW rating is 6.5 V max; BOOT-to-GND up to 71 V absolute max."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, 4.3 V to 60 V. Connect bypass capacitor CIN with the shortest possible path to GND for high-frequency decoupling."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input with internal pull-up current source. Pull below 1.20 V (typ threshold) to disable; float or tie to VIN to enable. May be used with a two-resistor divider to program an input under-voltage lockout. Rated up to 60 V."
      },
      {
        "number": "4",
        "name": "RT/SYNC",
        "type": "bidirectional",
        "description": "Resistor Timing / External Clock input. A resistor from this pin to GND programs the switching frequency (200 kHz to 2.5 MHz). Pulling the pin above the PLL upper threshold switches it into synchronization mode, accepting an external clock (250 kHz to 2.3 MHz) into the internal PLL; when the clock stops, the pin reverts to RT resistor programming."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the internal error amplifier; connect to the resistor divider from VOUT to set the output voltage. Internal reference VFB = 0.750 V typ. Do not short this pin to ground during operation."
      },
      {
        "number": "6",
        "name": "SS",
        "type": "passive",
        "description": "Soft-Start pin (this SDDAR / 'S' variant). Connect an external capacitor CSS from this pin to GND to program the soft-start ramp time; internal SS source current is ~3.0 µA. On the alternate LMR16030PDDAR variant this pin is instead PGOOD (open-drain power-good flag)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "System ground return. Must be tied to the exposed thermal pad and to the ground plane."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "power_out",
        "description": "Switch node output of the regulator; internally connected to the source of the high-side power MOSFET (155 mΩ). Connect to the external power inductor. Rated -3 V to 65 V absolute max."
      },
      {
        "number": "9",
        "name": "PAD",
        "type": "power_in",
        "description": "Exposed PowerPAD (thermal pad) on the package underside - major heat-dissipation path of the die. Must be soldered to the PCB ground plane for thermal and electrical connection."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lmr16030sddar.pdf",
        "pages": 35,
        "sha256": "673e4773df97a65f",
        "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": "lmr16030sddar.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": "lmr16030sddar-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": "7920b915204da1898b70e5c0f9eb71ecc104ace8f4da28f1805f2be7b0412e34",
        "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": [
    "lmr16030sddar"
  ],
  "discovery_pitch": "LMR16030SDDAR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lmr16030sddar.kicad_sym",
    "lmr16030sddar.kicad_mod",
    "lmr16030sddar.glb",
    "lmr16030sddar.step",
    "lmr16030sddar-etched.step",
    "lmr16030sddar.lbr",
    "docs/hero.png",
    "docs/lmr16030sddar-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "LMR16030SDDAR",
      "kind": "packaging"
    },
    {
      "mpn": "LMR16030SDDARPDDAR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T17:22:52.581Z"
}