LM2676S-5.0

{
  "slug": "lm2676s-5-0",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, TO-263-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2676s-5.0",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2676s-5-0.kicad_sym",
    "lm2676s-5-0.kicad_mod",
    "lm2676s-5-0.glb",
    "lm2676s-5-0.step",
    "lm2676s-5-0.lbr",
    "docs/hero.png",
    "docs/lm2676s-5-0-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2676s-5-0-hero.glb",
    "lm2676s-5-0-hero.overlay.json",
    "lm2676s-5-0-etched.glb"
  ],
  "component": {
    "mpn": "LM2676S-5.0",
    "manufacturer": "Texas Instruments",
    "package": "TO-263-7",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm2676.pdf",
    "parts": {
      "symbol": "lm2676s-5-0.kicad_sym",
      "footprint": "lm2676s-5-0.kicad_mod",
      "model_3d": "lm2676s-5-0-hero.glb",
      "model_3d_plain": "lm2676s-5-0-etched.glb",
      "model_3d_step": "lm2676s-5-0-etched.step",
      "model_3d_step_plain": "lm2676s-5-0.step",
      "lbr": "lm2676s-5-0.lbr"
    },
    "distributor_links": {
      "lcsc": "C179660",
      "digikey": "LM2676S-5.0-ND",
      "mouser": "926-LM2676S-50"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T00:44:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2676S-5.0-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "926-LM2676S-50",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Switch_output",
        "type": "output",
        "description": "Source pin of the internal high-side FET and switching node; connect to the inductor and the cathode of the external diode."
      },
      {
        "number": "2",
        "name": "Input",
        "type": "input",
        "description": "Supply input to the collector of the high-side FET; connect to the power supply and input bypass capacitors CIN, keeping the path to GND as short as possible. Supply range is 8V to 40V."
      },
      {
        "number": "3",
        "name": "CB",
        "type": "input",
        "description": "Bootstrap capacitor connection for the high-side driver; connect a high-quality 100-nF capacitor from CB to the switch output pin."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin; connect to system ground and to the ground returns of CIN and COUT."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback sense input; connect to the midpoint of the feedback divider for the ADJ version, or directly to the output capacitor for fixed-output versions such as the 5.0 V part."
      },
      {
        "number": "7",
        "name": "ON/OFF",
        "type": "input",
        "description": "Enable input to the regulator: high or floating enables the regulator, low puts it in OFF standby at about 50µA quiescent current."
      },
      {
        "number": "8",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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": [],
        "pages_sent": 9,
        "cost_usd": 0.0163,
        "at": "2026-11-06T00:43:06"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm2676.pdf",
        "pages": 41,
        "sha256": "2f3085e42097cc93",
        "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": "lm2676s-5-0.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "34b8121b216e7b6490402befe573a69b06919acafd33d6e8da88bd238574da52",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2676s-5-0-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
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        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e3912104ed9a71188ea92d7bb40a23b9611a95f1a917fdd3ce2a85b7b5a46bfe",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}