LM53602AQPWPRQ1

{
  "slug": "lm53602aqpwprq1",
  "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",
    "lm53602aqpwprq1",
    "factory-2.0.0",
    "extractor-text"
  ],
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    "lm53602aqpwprq1.step",
    "lm53602aqpwprq1.lbr",
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    "docs/lm53602aqpwprq1-datasheet.pdf",
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    "viewers/footprint.html",
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  "component": {
    "mpn": "LM53602AQPWPRQ1",
    "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-q1",
    "parts": {
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      "lbr": "lm53602aqpwprq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2070666",
      "digikey": "296-48586-2-ND",
      "mouser": "595-LM53602AQPWPRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T16:54:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-48586-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM53602AQPWPRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "power_out",
        "description": "Regulator switch node that connects to the power inductor; pins 1 and 2 must be connected directly together on the PCB."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "power_out",
        "description": "Regulator switch node that connects to the power inductor; pins 1 and 2 must be connected directly together on the PCB."
      },
      {
        "number": "3",
        "name": "CBOOT",
        "type": "power_in",
        "description": "Bootstrap supply input for the gate drivers; connect a high-quality 470 nF capacitor from this pin to SW."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 3.15 V regulator output supplying the internal control circuits; do not connect external loads, and connect a high-quality 3.3 µF capacitor from this pin to GND."
      },
      {
        "number": "5",
        "name": "BIAS",
        "type": "power_in",
        "description": "Input to the internal voltage regulator that connects to the output voltage point and must not be grounded; connect a high-quality 0.1 µF capacitor from this pin to GND."
      },
      {
        "number": "6",
        "name": "SYNC",
        "type": "input",
        "description": "Synchronization input that locks the regulator switching frequency to a system clock (FSYNC range 1.9 MHz to 2.3 MHz); connect to GND when not used and do not float."
      },
      {
        "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; do not float."
      },
      {
        "number": "8",
        "name": "RESET",
        "type": "output",
        "description": "Open-drain reset output that must be pulled up to a suitable supply through a current-limiting resistor, going high for power OK and low for fault or when EN is low; RESET pin current is limited to 1 mA in recommended operating conditions."
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Feedback input connected 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; do not float or ground."
      },
      {
        "number": "10",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground for the regulator and system to which all electrical parameters are measured; connect 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; it can be connected directly to VIN and must not float."
      },
      {
        "number": "12",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply to the regulator with recommended input voltage of 3.9 V to 36 V; connect high-quality bypass capacitors from this pin to PGND and connect pins 12 and 13 directly together on the PCB."
      },
      {
        "number": "13",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply to the regulator with recommended input voltage of 3.9 V to 36 V; connect high-quality bypass capacitors from this pin to PGND and connect pins 12 and 13 directly together on the PCB."
      },
      {
        "number": "14",
        "name": "N/C",
        "type": "unconnected",
        "description": "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; pins 15, 16 must be connected directly together on the PCB."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the internal low-side MOSFET that connects to AGND and system ground; pins 15, 16 must be connected directly together on 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 datasheet covers the LM53602-Q1/LM53603-Q1 family. The MPN LM53602AQPWPRQ1 appears only in the o; The exposed pad is listed in the pin table as pin 17 (EP). It is not a physical lead, and it is show; The datasheet marks SW as 'P' (power), which has no direct KiCad match. Assigned power_out because i"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0742,
        "at": "2026-10-11T16:53:53"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm53602-q1",
        "pages": 42,
        "sha256": "b2d0d78814aaf2aa",
        "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,
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        "checked": "2026-10-11",
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}