LM53602AMPWPT

{
  "slug": "lm53602ampwpt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "lm53602ampwpt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "lm53602ampwpt.kicad_sym",
    "lm53602ampwpt.kicad_mod",
    "lm53602ampwpt.glb",
    "lm53602ampwpt.step",
    "lm53602ampwpt.lbr",
    "docs/hero.png",
    "docs/lm53602ampwpt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm53602ampwpt-hero.glb",
    "lm53602ampwpt-hero.overlay.json"
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  "component": {
    "mpn": "LM53602AMPWPT",
    "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/lm53602",
    "parts": {
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      "footprint": "lm53602ampwpt.kicad_mod",
      "model_3d": "lm53602ampwpt-hero.glb",
      "model_3d_plain": "lm53602ampwpt.glb",
      "model_3d_step": "lm53602ampwpt-etched.step",
      "model_3d_step_plain": "lm53602ampwpt.step",
      "lbr": "lm53602ampwpt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2071008",
      "digikey": "296-45233-2-ND",
      "mouser": "595-LM53602AMPWPT"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T03:00:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-45233-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM53602AMPWPT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "power_out",
        "description": "Regulator switch node that connects to the power inductor, and pins 1 and 2 must be connected directly together at the PCB."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "power_out",
        "description": "Second regulator switch node pin, which must be connected directly to pin 1 at the PCB."
      },
      {
        "number": "3",
        "name": "CBOOT",
        "type": "power_in",
        "description": "Bootstrap supply input for the gate drivers, connected through a high-quality 470-nF capacitor to SW, with CBOOT to SW rated at -0.3 V to 3.6 V."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 3.15-V regulator output that supplies internal control circuits, must not be connected to any external loads, and needs a high-quality 3.3-µF capacitor to GND."
      },
      {
        "number": "5",
        "name": "BIAS",
        "type": "power_in",
        "description": "Input to the internal voltage regulator that connects to the output voltage point, must not be grounded, and needs a high-quality 0.1-µF capacitor to GND."
      },
      {
        "number": "6",
        "name": "SYNC",
        "type": "input",
        "description": "Synchronization input that locks the regulator switching frequency to the system clock within the 1.9 MHz to 2.3 MHz synchronizing range, and must be connected to GND when not used and not left floating."
      },
      {
        "number": "7",
        "name": "FPWM",
        "type": "input",
        "description": "Mode control input where high selects forced PWM and low selects auto mode with automatic PFM/PWM transition, and it must not be left floating."
      },
      {
        "number": "8",
        "name": "RESET",
        "type": "output",
        "description": "Open-drain reset output that goes high when power is OK and low on a fault or when EN is low, must be connected to a suitable supply through a current-limiting resistor, and has a pin current rating of -0.1 mA to 1.2 mA."
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that connects to the output sense point for the fixed 5-V and 3.3-V options or to the feedback divider tap for the ADJ option, and must not be left floating or grounded."
      },
      {
        "number": "10",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground for the regulator and system against which all electrical parameters are measured, to be connected to EP and PGND on the PCB."
      },
      {
        "number": "11",
        "name": "EN",
        "type": "input",
        "description": "Enable input where high turns the regulator on and low turns it off, which can be connected directly to VIN but must not be left floating."
      },
      {
        "number": "12",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply to the regulator that requires a high-quality bypass capacitor to PGND, with pins 12 and 13 connected directly together at the PCB."
      },
      {
        "number": "13",
        "name": "VIN",
        "type": "power_in",
        "description": "Second input supply pin that must be connected directly to pin 12 at the PCB."
      },
      {
        "number": "14",
        "name": "N/C",
        "type": "unconnected",
        "description": "No connection; this pin has no connection to the device."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the internal low-side MOSFET that connects to AGND and system ground, with pins 15 and 16 connected directly together at the PCB."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Second power ground pin that must be connected directly to pin 15 at the PCB."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "power_in",
        "description": "Exposed die attach paddle that must be connected to the ground plane for adequate heat sinking and noise reduction."
      }
    ],
    "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 pad is listed as pin 17 (EP) in the Pin Functions table on page 4 and appears as '(17)' ; The datasheet text does not give the physical side or position of each pin on the HTSSOP outline (th; Pins 14 (N/C) is documented as having no connection; no electrical type beyond unconnected is stated"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0657,
        "at": "2026-10-12T03:00:11"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm53602",
        "pages": 40,
        "sha256": "590d70f52aa0f37f",
        "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": -0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-12",
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}