LM2738YMY

{
  "slug": "lm2738ymy",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments AC-DC Controllers & Regulators, MSOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "lm2738ymy",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2738ymy.kicad_sym",
    "lm2738ymy.kicad_mod",
    "lm2738ymy.glb",
    "lm2738ymy.step",
    "lm2738ymy.lbr",
    "docs/hero.png",
    "docs/lm2738ymy-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2738ymy-hero.glb",
    "lm2738ymy-hero.overlay.json",
    "lm2738ymy-etched.glb"
  ],
  "component": {
    "mpn": "LM2738YMY",
    "manufacturer": "Texas Instruments",
    "package": "MSOP-8-EP",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm2738ymy.pdf",
    "parts": {
      "symbol": "lm2738ymy.kicad_sym",
      "footprint": "lm2738ymy.kicad_mod",
      "model_3d": "lm2738ymy-hero.glb",
      "model_3d_plain": "lm2738ymy-etched.glb",
      "model_3d_step": "lm2738ymy-etched.step",
      "model_3d_step_plain": "lm2738ymy.step",
      "lbr": "lm2738ymy.lbr"
    },
    "distributor_links": {
      "lcsc": "C181393"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:13:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOST",
        "type": "input",
        "description": "Boost voltage that drives the internal NMOS control switch, with a bootstrap capacitor connected between BOOST and SW (boost voltage rated -0.5 V to 30 V absolute max, boost-to-SW 2.5 V to 5.5 V recommended)."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage for the output power stage, requires a bypass capacitor and must be tied to pin 3 at the package (3 V to 20 V recommended)."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply voltage of the device, requires a bypass capacitor and must be tied to pin 2 at the package (3 V to 20 V recommended)."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable control input where logic high enables operation; do not allow it to float or exceed VIN + 0.3 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal and power ground pin, with the bottom resistor of the feedback network placed as close as possible to it."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin connected to the external resistor divider to set the output voltage (0.8 V reference)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Signal and power ground pin, with the bottom resistor of the feedback network placed as close as possible to it."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Output switch that connects to the inductor, catch diode, and bootstrap capacitor (rated -0.5 V to 20 V recommended)."
      },
      {
        "number": "9",
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet pin table lists VIN (pin 2) as PWR and VCC (pin 3) as I (input supply). Both are supply pi; The exposed pad is labeled DAP in the datasheet and has no numeric pin number. Used 'DAP' as the num; The pinout drawing is not in the extracted text. Pin numbers come from the pin function table, which"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0769,
        "at": "2026-10-22T21:13:45"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm2738ymy.pdf",
        "pages": 40,
        "sha256": "035bc40cca3a6951",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm2738ymy.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.96
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "43252be3beac8fd30ca9bfeb82a613fa01d5dffff9b22810c13a4655daafb5ee",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2738ymy-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.96
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e55ff38617ee7faf8af75939697480ae11f7355e32d0d705f366f47b561eb77c",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}