LM53601LQDSXTQ1

{
  "slug": "lm53601lqdsxtq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, WSON-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "lm53601lqdsxtq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm53601lqdsxtq1.kicad_sym",
    "lm53601lqdsxtq1.kicad_mod",
    "lm53601lqdsxtq1.glb",
    "lm53601lqdsxtq1.step",
    "lm53601lqdsxtq1.lbr",
    "docs/hero.png",
    "docs/lm53601lqdsxtq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm53601lqdsxtq1-hero.glb",
    "lm53601lqdsxtq1-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM53601LQDSXTQ1",
    "manufacturer": "Texas Instruments",
    "package": "WSON-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm53601-q1",
    "parts": {
      "symbol": "lm53601lqdsxtq1.kicad_sym",
      "footprint": "lm53601lqdsxtq1.kicad_mod",
      "model_3d": "lm53601lqdsxtq1-hero.glb",
      "model_3d_plain": "lm53601lqdsxtq1.glb",
      "model_3d_step": "lm53601lqdsxtq1-etched.step",
      "model_3d_step_plain": "lm53601lqdsxtq1.step",
      "lbr": "lm53601lqdsxtq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C1848527",
      "digikey": "296-LM53601LQDSXTQ1TR-ND",
      "mouser": "595-LM53601LQDSXTQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T02:24:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LM53601LQDSXTQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM53601LQDSXTQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "power_out",
        "description": "Regulator switch node that connects to the output inductor; SW to GND is rated -0.3 V to VIN+0.3 V."
      },
      {
        "number": "2",
        "name": "BOOT",
        "type": "input",
        "description": "High-side gate driver upper supply rail; connect a 100-nF capacitor from SW to BOOT, charged by an internal diode while SW is low, and BOOT to SW is rated to 3.6 V maximum."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 3-V regulator output that supplies the internal control circuits; connect a high-quality 1.0-µF capacitor from this pin to AGND for fixed versions."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "power_in",
        "description": "Fixed-version feedback for the output voltage and power source for the VCC regulator; connect to the output node with a 10-nF bypass capacitor placed immediately adjacent to the pin, and FB to GND is rated to 16 V for the 3.3 V and 5.0 V versions."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Fixed-version ground to which the input signals and FB are compared."
      },
      {
        "number": "6",
        "name": "RESET",
        "type": "output",
        "description": "Open-drain reset output that goes low on a regulator fault or when EN is low, requires a current-limiting pull-up resistor, and has a sink current rating of 8 mA maximum."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input where high turns the regulator on and low turns it off; it can be connected to VIN but must not float, with EN to GND rated to 42 V."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply to the regulator with an input range of 3.8 V to 36 V after startup; connect input bypass capacitors directly between this pin and GND."
      },
      {
        "number": "9",
        "name": "SYNC/MODE",
        "type": "input",
        "description": "Multifunction mode input tolerant of voltages up to VIN: a valid external clock forces PWM and synchronizes the switching, tying it high selects forced PWM at the internal clock, tying it low selects AUTO mode with diode emulation at light load, and it must not float."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground that should be bypassed to VIN immediately adjacent to this pin."
      },
      {
        "number": "11",
        "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-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet classifies FB as I/P (feedback input that also powers the VCC regulator). Mapped to power_; The exposed pad is not numbered in the datasheet pin table, so it is listed as 'DAP' rather than a n; Pin names and functions follow the Fixed version (5.0 V) in the Pin Configuration table, which match",
          "exposed pad 11 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0778,
        "at": "2026-10-12T02:24:04"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm53601-q1",
        "pages": 51,
        "sha256": "d174c97c59a34282",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "lm53601lqdsxtq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          1.02
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1b436233b33ebba84da89538e97b0062d5b95e5ae0b484c46c569cb67274a3a5",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm53601lqdsxtq1-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": "9d5d4efc267f8f9445e68d55c6ff8f33cc6e9948fd3d56103970eb3a96974511",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}