LM46002AQPWPTQ1

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  "type": "component",
  "slug": "lm46002aqpwptq1",
  "title": "LM46002AQPWPTQ1",
  "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": [
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    "power supply chip",
    "lm46002aqpwptq1",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LM46002AQPWPTQ1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm46002-q1",
    "parts": {
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      "lbr": "lm46002aqpwptq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2070845",
      "digikey": "296-47097-2-ND",
      "mouser": "595-LM46002AQPWPTQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:46:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-47097-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM46002AQPWPTQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "power_out",
        "description": "Switching output of the regulator, internally connected to both power MOSFETs, and connected to the power inductor."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "power_out",
        "description": "Switching output of the regulator, internally connected to both power MOSFETs, and connected to the power inductor."
      },
      {
        "number": "3",
        "name": "CBOOT",
        "type": "power_out",
        "description": "Bootstrap capacitor connection for the high-side driver; connect a high-quality 470-nF capacitor from CBOOT to SW."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal bias supply output for bypassing; connect a bypass capacitor to AGND, do not connect an external load, and never short it to ground during operation."
      },
      {
        "number": "5",
        "name": "BIAS",
        "type": "power_in",
        "description": "Optional internal LDO supply input: tie to VOUT when 3.3 V ≤ VOUT ≤ 28 V (or to an external 3.3-V or 5-V rail), with a 1 to 10 µF bypass capacitor to ground, and tie to ground when not used."
      },
      {
        "number": "6",
        "name": "SYNC",
        "type": "input",
        "description": "Clock input to synchronize switching to an external clock, which requires proper high-speed termination to prevent ringing, and connect to ground if not used."
      },
      {
        "number": "7",
        "name": "RT",
        "type": "passive",
        "description": "Connect a resistor RT from this pin to AGND to program the switching frequency, or leave floating for the 500-kHz default."
      },
      {
        "number": "8",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power-good flag output that requires a 10-kΩ to 100-kΩ pullup to a logic rail or DC voltage no higher than 12 V."
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Feedback sense input connected to the midpoint of the feedback divider to set VOUT, and must not be shorted to ground during operation."
      },
      {
        "number": "10",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground and ground reference for internal references and logic, to be connected to system ground."
      },
      {
        "number": "11",
        "name": "SS/TRK",
        "type": "passive",
        "description": "Soft-start control pin: leave floating for internal soft-start slew rate, connect a capacitor to extend soft-start time, or connect an external voltage ramp for tracking."
      },
      {
        "number": "12",
        "name": "EN",
        "type": "input",
        "description": "Enable input where high turns the device ON and low turns it OFF, connected to VIN, a resistor divider, or an external voltage or logic source, and must not float."
      },
      {
        "number": "13",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input to the internal LDO and high-side power FET, connected to the power supply and bypass capacitor CIN with the VIN-to-CIN-to-PGND path kept as short as possible."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input to the internal LDO and high-side power FET, connected to the power supply and bypass capacitor CIN with the VIN-to-CIN-to-PGND path kept as short as possible."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connected internally to the low-side power FET, to be connected to system ground, PAD, AGND, and the grounds of CIN and COUT with a short path to CIN."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connected internally to the low-side power FET, to be connected to system ground, PAD, AGND, and the grounds of CIN and COUT with a short path to CIN."
      },
      {
        "number": "17",
        "name": "PAD",
        "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 exposed thermal pad is listed in the datasheet pin table (page 3) with no printed pin number, so; Pin types are KiCad ERC classes mapped from the datasheet's P/G/A/I-O column; SW, CBOOT and VCC are ",
          "exposed pad 17 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.058,
        "at": "2026-10-08T20:45:57"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm46002-q1",
        "pages": 51,
        "sha256": "c18503df0395799f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm46002aqpwptq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "4d21b4b4130d7b2c8f86392ce3ec0fe2b03da842354e4365c66fdb83eedbbde9",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-16-EP",
      "Category": "Power Supply Chip",
      "Pins": "17"
    }
  },
  "variants": [],
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  "discovery_triggers": [
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  "discovery_pitch": "LM46002AQPWPTQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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