LM2671MX-12

{
  "slug": "lm2671mx-12",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2671mx-12",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2671mx-12.kicad_sym",
    "lm2671mx-12.kicad_mod",
    "lm2671mx-12.glb",
    "lm2671mx-12.step",
    "lm2671mx-12.lbr",
    "docs/hero.png",
    "docs/lm2671mx-12-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2671mx-12-hero.glb",
    "lm2671mx-12-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM2671MX-12",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2671",
    "parts": {
      "symbol": "lm2671mx-12.kicad_sym",
      "footprint": "lm2671mx-12.kicad_mod",
      "model_3d": "lm2671mx-12-hero.glb",
      "model_3d_plain": "lm2671mx-12.glb",
      "model_3d_step": "lm2671mx-12-etched.step",
      "model_3d_step_plain": "lm2671mx-12.step",
      "lbr": "lm2671mx-12.lbr"
    },
    "distributor_links": {
      "lcsc": "C2073302",
      "digikey": "LM2671MX-12-ND",
      "mouser": "926-LM2671MX-12"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:44:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2671MX-12-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM2671MX-12",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CB",
        "type": "input",
        "description": "Bootstrap capacitor connection for the high-side driver; connect a high-quality 100-nF capacitor from CB to the VSW pin."
      },
      {
        "number": "2",
        "name": "SS",
        "type": "input",
        "description": "Soft-start pin; a capacitor from SS to GND controls the output voltage ramp, and the pin can be left floating if soft start is not wanted."
      },
      {
        "number": "3",
        "name": "SYNC",
        "type": "input",
        "description": "Input that controls the switching clock frequency; if left open-circuited the regulator runs at the internal oscillator frequency, typically 260 kHz."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback sense input; for the fixed 12-V version it connects directly to the output capacitor, and the feedback pin voltage is rated −0.3 V to 14 V."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Enable input: high or floating enables the regulator and low disables it, with the ON/OFF pin voltage rated −0.1 V to 6 V."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin that connects to system ground; the path to the CIN ground must be as short as possible."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input to the high-side FET collector, connected to the power supply and input bypass capacitor CIN, with the supply range 6.5 V to 40 V recommended and the VIN-to-CIN-to-GND path kept as short as possible."
      },
      {
        "number": "8",
        "name": "VSW",
        "type": "output",
        "description": "Source of the internal high-side FET and switching node; it connects to the inductor and the cathode of the external diode, with the switch voltage to ground rated no lower than −1 V."
      }
    ],
    "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: Pin types for VIN and GND are mapped to KiCad power_in as a supply/ground classification; the datash; The datasheet does not give a separate pin number for the 12-V version; the SOIC-8 pinout is common "
        ],
        "pages_sent": 9,
        "cost_usd": 0.0583,
        "at": "2026-10-08T22:43:31"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2671",
        "pages": 40,
        "sha256": "3002d970b17265d0",
        "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"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2671mx-12-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b8d8b001389a42096841398e8fbf1d53400e3b86a77cf8087c5e1a244fd19aa2",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}