LM22676TJ-ADJ

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm22676tj-adj",
  "title": "LM22676TJ-ADJ",
  "brief": "Texas Instruments DC-DC Converters, TO-263-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm22676tj-adj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM22676TJ-ADJ",
    "manufacturer": "Texas Instruments",
    "package": "TO-263-7",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm22676",
    "parts": {
      "symbol": "lm22676tj-adj.kicad_sym",
      "footprint": "lm22676tj-adj.kicad_mod",
      "model_3d": "lm22676tj-adj-etched.glb",
      "model_3d_plain": "lm22676tj-adj.glb",
      "model_3d_step": "lm22676tj-adj-etched.step",
      "model_3d_step_plain": "lm22676tj-adj.step",
      "lbr": "lm22676tj-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C543042"
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Switching output of the regulator connected to the drain of the internal N-channel power MOSFET, rated from -5 V to VIN under normal operation (with an extended -10 V transient limit allowed for pulses up to 50 ns)."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage to the regulator, with a recommended operating range of 4.5 V to 42 V and an absolute maximum rating of 43 V to GND."
      },
      {
        "number": "3",
        "name": "BOOT",
        "type": "input",
        "description": "Bootstrap input that provides the gate drive voltage for the internal high-side N-channel MOSFET via an external capacitor to SW, with an absolute maximum rating of VSW + 7 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground input to the regulator; system common/ground pin."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected pin; it is electrically isolated inside the chip and functions only as a thermal conductor."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the regulator's internal error amplifier, regulated to 1.285 V (typ) for the ADJ option, with an absolute maximum voltage rating of -0.5 V to 7 V."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Precision enable input used to control regulator start-up and shutdown, with a falling enable threshold of 1.6 V (typ) and an absolute maximum voltage rating of -0.5 V to 6 V."
      },
      {
        "number": "8",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-sonnet-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-4-8",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 8 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 35,
        "cost_usd": 0.8604,
        "at": "2026-09-23T07:29:19"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm22676",
        "pages": 35,
        "sha256": "ba59cb724c5d419d",
        "source_tier": "lcsc"
      },
      "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": "lm22676tj-adj.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm22676tj-adj-etched.step",
        "role": "eda",
        "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": "8b22e29f2a01cafb8368fcfcaf2c6efde7449ae7611b9dd8e61b65e9a3d35d35",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TO-263-7",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm22676tj-adj"
  ],
  "discovery_pitch": "LM22676TJ-ADJ (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "lm22676tj-adj.step",
    "lm22676tj-adj.lbr",
    "docs/hero.png",
    "docs/lm22676tj-adj-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T00:06:37.985Z"
}