LM26420XMHX

{
  "slug": "lm26420xmhx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "lm26420xmhx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm26420xmhx.kicad_sym",
    "lm26420xmhx.kicad_mod",
    "lm26420xmhx.glb",
    "lm26420xmhx.step",
    "lm26420xmhx.lbr",
    "docs/hero.png",
    "docs/lm26420xmhx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm26420xmhx-hero.glb",
    "lm26420xmhx-hero.overlay.json",
    "lm26420xmhx-etched.glb"
  ],
  "component": {
    "mpn": "LM26420XMHX",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-20-EP",
    "pin_count": 21,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm26420xmhx.pdf",
    "parts": {
      "symbol": "lm26420xmhx.kicad_sym",
      "footprint": "lm26420xmhx.kicad_mod",
      "model_3d": "lm26420xmhx-hero.glb",
      "model_3d_plain": "lm26420xmhx-etched.glb",
      "model_3d_step": "lm26420xmhx-etched.step",
      "model_3d_step_plain": "lm26420xmhx.step",
      "lbr": "lm26420xmhx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2070622"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T18:45:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VINC",
        "type": "power_in",
        "description": "Input supply for control circuitry."
      },
      {
        "number": "2",
        "name": "EN1",
        "type": "input",
        "description": "Logic high enable operation for Buck 1; do not allow this pin to float or be greater than VIN + 0.3 V."
      },
      {
        "number": "3",
        "name": "VIND1",
        "type": "power_in",
        "description": "Power input supply for Buck 1."
      },
      {
        "number": "4",
        "name": "VIND1",
        "type": "power_in",
        "description": "Power input supply for Buck 1."
      },
      {
        "number": "5",
        "name": "SW1",
        "type": "output",
        "description": "Output switch for Buck 1; connect to the inductor."
      },
      {
        "number": "6",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground pin for Buck 1."
      },
      {
        "number": "7",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground pin for Buck 1."
      },
      {
        "number": "8",
        "name": "FB1",
        "type": "input",
        "description": "Feedback pin for Buck 1; connect to external resistor divider to set output voltage."
      },
      {
        "number": "9",
        "name": "PG1",
        "type": "output",
        "description": "Power Good indicator for Buck 1; connected through a resistor to an external supply (open drain output)."
      },
      {
        "number": "10",
        "name": "DAP",
        "type": "passive",
        "description": "Die Attach Pad; connect to system ground for low thermal impedance, but it cannot be used as a primary GND connection."
      },
      {
        "number": "11",
        "name": "DAP",
        "type": "passive",
        "description": "Die Attach Pad; connect to system ground for low thermal impedance, but it cannot be used as a primary GND connection."
      },
      {
        "number": "12",
        "name": "PG2",
        "type": "output",
        "description": "Power Good indicator for Buck 2; connected through a resistor to an external supply (open drain output)."
      },
      {
        "number": "13",
        "name": "FB2",
        "type": "input",
        "description": "Feedback pin for Buck 2; connect to external resistor divider to set output voltage."
      },
      {
        "number": "14",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground pin for Buck 2."
      },
      {
        "number": "15",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground pin for Buck 2."
      },
      {
        "number": "16",
        "name": "SW2",
        "type": "output",
        "description": "Output switch for Buck 2; connect to the inductor."
      },
      {
        "number": "17",
        "name": "VIND2",
        "type": "power_in",
        "description": "Power input supply for Buck 2."
      },
      {
        "number": "18",
        "name": "VIND2",
        "type": "power_in",
        "description": "Power input supply for Buck 2."
      },
      {
        "number": "19",
        "name": "EN2",
        "type": "input",
        "description": "Logic high enable operation for Buck 2; do not allow this pin to float or be greater than VIN + 0.3 V."
      },
      {
        "number": "20",
        "name": "AGND",
        "type": "power_in",
        "description": "Signal ground pin; place the bottom resistor of the feedback network as close as possible to this pin."
      },
      {
        "number": "21",
        "name": "DAP",
        "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": [
          "extractor flagged: The 20-pin HTSSOP table lists pins 10 and 11 together with the DAP (\"10, 11, DAP\"), so they are mapp"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0207,
        "at": "2026-10-31T18:45:16"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm26420xmhx.pdf",
        "pages": 47,
        "sha256": "31980aecd87c6fe7",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm26420xmhx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.41,
          6.5,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4bf2d10bf42d4bb6d44366cd8dc7d2df0d7a25ca30fcc3cbf1fe9c1aad5588b4",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm26420xmhx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.41,
          6.5,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "954f30ab5f58c54a87fd0f58d09cff65be112afb3c3ec6d6c9ea9457b6ae7032",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}