main
Ray lm46001pwpr: LCSC part number C116574 (was published as the bare integer) 4811d93 1h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm46001pwpr",
  "title": "LM46001PWPR",
  "brief": "Texas Instruments DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm46001pwpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM46001PWPR",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm46001",
    "parts": {
      "symbol": "lm46001pwpr.kicad_sym",
      "footprint": "lm46001pwpr.kicad_mod",
      "model_3d": "lm46001pwpr-hero.glb",
      "model_3d_plain": "lm46001pwpr.glb",
      "model_3d_step": "lm46001pwpr-etched.step",
      "model_3d_step_plain": "lm46001pwpr.step",
      "lbr": "lm46001pwpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C116574",
      "digikey": "296-40223-2-ND",
      "mouser": "595-LM46001PWPR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T21:29:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-40223-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM46001PWPR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Switching output of regulator internally connected to both power MOSFETs and connected to power inductor."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Switching output of regulator internally connected to both power MOSFETs and connected to power inductor."
      },
      {
        "number": "3",
        "name": "CBOOT",
        "type": "power_out",
        "description": "Bootstrap capacitor connection for high-side driver requiring 470-nF capacitor connection from CBOOT to SW."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal bias supply output for bypassing with bypass capacitor to AGND; do not connect external load or short to ground during operation."
      },
      {
        "number": "5",
        "name": "BIAS",
        "type": "power_in",
        "description": "Optional internal LDO supply input tied to VOUT (3.3 V to 28 V) or external 3.3 V/5 V rail with 1-10 µF bypass capacitor, or to ground if VOUT < 3.3 V; do not float."
      },
      {
        "number": "6",
        "name": "SYNC",
        "type": "input",
        "description": "Clock input to synchronize switching action to external clock with proper high-speed termination; connect to ground if not used; do not float."
      },
      {
        "number": "7",
        "name": "RT",
        "type": "input",
        "description": "Resistor connection to AGND to program switching frequency; leave floating for 500 kHz default switching frequency."
      },
      {
        "number": "8",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power-good flag output requiring 10-kΩ to 100-kΩ pullup resistor to logic rail or DC voltage not exceeding 12 V."
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Feedback sense input connected to midpoint of feedback divider to set VOUT; do not short to ground during operation."
      },
      {
        "number": "10",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground pin serving as ground reference for internal references and logic."
      },
      {
        "number": "11",
        "name": "SS/TRK",
        "type": "input",
        "description": "Soft-start control pin left floating for internal soft-start, or connected to capacitor to extend soft-start time, or connected to external voltage ramp for tracking."
      },
      {
        "number": "12",
        "name": "EN",
        "type": "input",
        "description": "Enable input with High = ON and Low = OFF logic; connect to VIN, VIN through resistor divider, or external voltage/logic source; do not float."
      },
      {
        "number": "13",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input pin to internal LDO and high-side power FET; connect to power supply and bypass capacitors CIN with path from VIN to high-frequency bypass CIN and PGND kept as short as possible."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input pin to internal LDO and high-side power FET; connect to power supply and bypass capacitors CIN with path from VIN to high-frequency bypass CIN and PGND kept as short as possible."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin connected internally to low-side power FET; connect to system ground, PAD, AGND, and ground pins of CIN and COUT with path to CIN kept as short as possible."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin connected internally to low-side power FET; connect to system ground, PAD, AGND, and ground pins of CIN and COUT with path to CIN kept as short as possible."
      },
      {
        "number": "17",
        "name": "PAD",
        "type": "power_in",
        "description": "Low-impedance connection to AGND serving as major heat dissipation path of die; must be used for heat sinking to ground plane on PCB."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 7,
        "cost_usd": 0.1433,
        "at": "2026-10-05T21:29:29"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm46001",
        "pages": 55,
        "sha256": "03496a33574d38df",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-16-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm46001pwpr"
  ],
  "discovery_pitch": "LM46001PWPR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm46001pwpr.kicad_sym",
    "lm46001pwpr.kicad_mod",
    "lm46001pwpr.glb",
    "lm46001pwpr.step",
    "lm46001pwpr.lbr",
    "docs/hero.png",
    "docs/lm46001pwpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm46001pwpr-hero.glb",
    "lm46001pwpr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}