LMR33620CDDAR

{
  "slug": "lmr33620cddar",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lmr33620cddar",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lmr33620cddar.kicad_sym",
    "lmr33620cddar.kicad_mod",
    "lmr33620cddar.glb",
    "lmr33620cddar.step",
    "lmr33620cddar.lbr",
    "docs/hero.png",
    "docs/lmr33620cddar-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lmr33620cddar-hero.glb",
    "lmr33620cddar-hero.overlay.json",
    "lmr33620cddar-etched.glb"
  ],
  "component": {
    "mpn": "LMR33620CDDAR",
    "manufacturer": "Texas Instruments",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lmr33620.pdf",
    "parts": {
      "symbol": "lmr33620cddar.kicad_sym",
      "footprint": "lmr33620cddar.kicad_mod",
      "model_3d": "lmr33620cddar-hero.glb",
      "model_3d_plain": "lmr33620cddar-etched.glb",
      "model_3d_step": "lmr33620cddar-etched.step",
      "model_3d_step_plain": "lmr33620cddar.step",
      "lbr": "lmr33620cddar.lbr"
    },
    "distributor_links": {
      "lcsc": "C2070921",
      "digikey": "296-51357-2-ND",
      "mouser": "595-LMR33620CDDAR"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T21:36:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-51357-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-LMR33620CDDAR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground terminal that must connect to system ground and AGND, with bypass capacitor connected using short wide traces."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply to the regulator, specified from 3.8 V to 36 V, with a high-quality bypass capacitor connected directly to this pin and PGND."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input where high turns the regulator on and low turns it off; it can be connected directly to VIN but must not float."
      },
      {
        "number": "4",
        "name": "PG",
        "type": "output",
        "description": "Open-drain power-good flag output that is pulled low when EN is low or power is bad, and requires a current-limiting resistor to a supply when used."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input connected to the tap point of the feedback voltage divider, which must not float or be grounded."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 5-V LDO output used as the supply for internal control circuits, which must not drive external loads and needs a high-quality 1-µF capacitor to GND."
      },
      {
        "number": "7",
        "name": "BOOT",
        "type": "power_out",
        "description": "Boot-strap supply for the internal high-side driver, connected through a high-quality 100-nF capacitor to the SW pin."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "power_out",
        "description": "Regulator switch node that connects to the power inductor."
      }
    ],
    "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: AGND is carried on the HSOIC thermal pad, which has no numbered pin in the Table 6-1 HSOIC column, s"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0181,
        "at": "2026-11-05T21:36:50"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lmr33620.pdf",
        "pages": 59,
        "sha256": "865af73e62240338",
        "source_tier": "mfr"
      },
      "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": "lmr33620cddar.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": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lmr33620cddar-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": "4ebeda682ba09c0cdf33a81b204c87975e8ec446866a7136199e268ad657fd88",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}