LMR16020PDDAR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lmr16020pddar",
  "title": "LMR16020PDDAR",
  "brief": "Texas Instruments DC-DC Converters, SOIC-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "lmr16020pddar"
  ],
  "component": {
    "mpn": "LMR16020PDDAR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lmr16020pddar.pdf",
    "parts": {
      "symbol": "lmr16020pddar.kicad_sym",
      "footprint": "lmr16020pddar.kicad_mod",
      "model_3d": "lmr16020pddar-etched.glb",
      "model_3d_plain": "lmr16020pddar.glb",
      "model_3d_step": "lmr16020pddar-etched.step",
      "model_3d_step_plain": "lmr16020pddar.step",
      "lbr": "lmr16020pddar.lbr"
    },
    "distributor_links": {
      "digikey": "296-47335-2-ND",
      "lcsc": "C190006"
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap capacitor connection for high-side MOSFET driver. Connect a high quality 0.1 µF capacitor from BOOT to SW. Absolute max BOOT-to-GND = 71 V; BOOT-to-SW = 6.5 V."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, 4.3 V to 60 V operating (65 V absolute max). Connect bypass capacitor CIN between VIN and GND with minimum trace length."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin with internal pull-up current source. Pull below 1.2 V (typ threshold 1.20 V) to disable; float or tie to VIN to enable. Can be driven by a resistor divider from VIN to program the input under-voltage lockout."
      },
      {
        "number": "4",
        "name": "RT/SYNC",
        "type": "bidirectional",
        "description": "Resistor Timing or External Clock input. A resistor from RT/SYNC to GND sets the switching frequency (200 kHz-2.5 MHz). Driving the pin above the PLL threshold switches it to a synchronization input (250 kHz-2.3 MHz); if clocks stop, it reverts to resistor-programmed mode."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input pin. 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 GND during operation."
      },
      {
        "number": "6",
        "name": "PGOOD",
        "type": "output",
        "description": "Power-Good open-drain output flag. Use a 10 kΩ to 100 kΩ pull-up resistor to a logic rail or DC voltage no higher than 7 V. Asserts when FB is within roughly 94%-107% of the reference."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "System ground pin. Return for VIN bypass and internal control circuitry."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "power_out",
        "description": "Switching output of the regulator, internally connected to the high-side power MOSFET (155 mΩ RDS(on)). Connect to the power inductor and to the catch diode's cathode. SW-to-GND rating: -3 V to 65 V absolute max."
      },
      {
        "number": "9",
        "name": "Thermal Pad",
        "type": "power_in",
        "description": "Exposed thermal pad on package underside; primary heat dissipation path from the die. Must be soldered to the PCB ground plane for proper thermal performance and electrical ground reference."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lmr16020pddar.pdf",
        "pages": 36,
        "sha256": "98a8cc9ee1109f35",
        "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": "lmr16020pddar.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": "lmr16020pddar-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": "662f629edbccba15bd16de73ee87ffc59a1d82f814141709c70572d8664c26f3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8-EP",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lmr16020pddar"
  ],
  "discovery_pitch": "LMR16020PDDAR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lmr16020pddar.kicad_sym",
    "lmr16020pddar.kicad_mod",
    "lmr16020pddar.glb",
    "lmr16020pddar.step",
    "lmr16020pddar-etched.step",
    "lmr16020pddar.lbr",
    "docs/hero.png",
    "docs/lmr16020pddar-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "LMR16020PDDAR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T17:22:44.803Z"
}