LM2840XMKX-ADJL

{
  "slug": "lm2840xmkx-adjl",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2840xmkx-adjl",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2840xmkx-adjl.kicad_sym",
    "lm2840xmkx-adjl.kicad_mod",
    "lm2840xmkx-adjl.glb",
    "lm2840xmkx-adjl.step",
    "lm2840xmkx-adjl.lbr",
    "docs/hero.png",
    "docs/lm2840xmkx-adjl-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2840xmkx-adjl-hero.glb",
    "lm2840xmkx-adjl-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM2840XMKX-ADJL",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2842",
    "parts": {
      "symbol": "lm2840xmkx-adjl.kicad_sym",
      "footprint": "lm2840xmkx-adjl.kicad_mod",
      "model_3d": "lm2840xmkx-adjl-hero.glb",
      "model_3d_plain": "lm2840xmkx-adjl.glb",
      "model_3d_step": "lm2840xmkx-adjl-etched.step",
      "model_3d_step_plain": "lm2840xmkx-adjl.step",
      "lbr": "lm2840xmkx-adjl.lbr"
    },
    "distributor_links": {
      "lcsc": "C2073186"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:41:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CB",
        "type": "input",
        "description": "SW FET gate bias voltage; connect the CBOOT capacitor between CB and SW, and CB must not exceed 7 V above SW voltage (absolute maximum)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection for the regulator."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input set by VOUT = VFB(1 + R1/R2) with VFB of 0.765 V; resistors must be between 100 Ω and 10 kΩ to avoid input bias errors, and FB is rated -0.3 V to 5 V (absolute maximum)."
      },
      {
        "number": "4",
        "name": "SHDN",
        "type": "input",
        "description": "Logic-level shutdown input: pull to GND to disable the device and pull high to enable it; tie to VIN if unused and do not allow it to float; absolute maximum is -0.3 V to (VIN + 0.3 V) and below 45 V."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input voltage pin with a 4.5 V to 42 V normal operating range (absolute maximum -0.3 V to 45 V)."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Power FET output that connects to the inductor, catch diode and CBOOT capacitor; SW voltage is rated up to 42 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: The datasheet lists VIN as type I (input); it is typed power_in here as the main supply pin per KiCa; Pin table and package apply to all LM2840/41/42 variants. The orderable LM2840XMKX-ADJL/NOPB and /NO; The datasheet text provided is 8 of 28 pages; the 0.765 V feedback voltage is taken from the feature"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0483,
        "at": "2026-10-08T22:41:22"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2842",
        "pages": 28,
        "sha256": "51aa5624e2b69b17",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm2840xmkx-adjl.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2840xmkx-adjl-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b3b9086e168272b519bd7834a8e3b619ca1859bc9d1933e8caebe790ac74c93c",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}