LM5185QPWPRQ1

{
  "slug": "lm5185qpwprq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, HTSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm5185qpwprq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm5185qpwprq1.kicad_sym",
    "lm5185qpwprq1.kicad_mod",
    "lm5185qpwprq1.glb",
    "lm5185qpwprq1.step",
    "lm5185qpwprq1.lbr",
    "docs/hero.png",
    "docs/lm5185qpwprq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm5185qpwprq1-hero.glb",
    "lm5185qpwprq1-hero.overlay.json",
    "lm5185qpwprq1-etched.glb"
  ],
  "component": {
    "mpn": "LM5185QPWPRQ1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-14",
    "pin_count": 15,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com.cn/cn/lit/ds/symlink/lm5185-q1.pdf",
    "parts": {
      "symbol": "lm5185qpwprq1.kicad_sym",
      "footprint": "lm5185qpwprq1.kicad_mod",
      "model_3d": "lm5185qpwprq1-hero.glb",
      "model_3d_plain": "lm5185qpwprq1-etched.glb",
      "model_3d_step": "lm5185qpwprq1-etched.step",
      "model_3d_step_plain": "lm5185qpwprq1.step",
      "lbr": "lm5185qpwprq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C22450802",
      "digikey": "296-LM5185QPWPRQ1TR-ND",
      "mouser": "595-LM5185QPWPRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T02:25:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LM5185QPWPRQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM5185QPWPRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Enable and UVLO programming pin: below 1.1 V the converter is in shutdown, between 1.1 V and 1.5 V it is in standby, and above 1.5 V the start-up sequence begins."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No electrical connection."
      },
      {
        "number": "3",
        "name": "TC",
        "type": "input",
        "description": "Temperature compensation pin; a resistor between TC and RSET compensates the temperature coefficient of the secondary diode forward voltage (TC voltage 1 V typical at ITC = ±10 µA)."
      },
      {
        "number": "4",
        "name": "RSET",
        "type": "input",
        "description": "Reference-current pin for FB; a 10 kΩ resistor from RSET to GND sets the regulated RSET voltage of 1 V typical."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, the ground connection for the internal control circuitry."
      },
      {
        "number": "6",
        "name": "SS",
        "type": "input",
        "description": "Soft-start input; a capacitor from SS to AGND sets the start-up time and input inrush current, and if SS is left open an internal 6 ms soft-start timer is used."
      },
      {
        "number": "7",
        "name": "COMP",
        "type": "output",
        "description": "Transconductance error amplifier output; the compensation network is connected between COMP and AGND."
      },
      {
        "number": "8",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, the ground connection for the gate driver."
      },
      {
        "number": "9",
        "name": "CS",
        "type": "input",
        "description": "Current-sense input, connected by a short path to the positive side of the current-sense resistor; the peak current-limit threshold is 100 mV maximum at the sense input."
      },
      {
        "number": "10",
        "name": "VCC",
        "type": "power_out",
        "description": "Output of the internal VCC regulator and supply input for the MOSFET driver; place a ceramic bypass capacitor between VCC and PGND, with a recommended range of 1 µF to 4.7 µF, and VCC regulates to 7 V typical with an absolute maximum of 15 V."
      },
      {
        "number": "11",
        "name": "GATE",
        "type": "output",
        "description": "N-channel MOSFET gate drive output, connected through a short low-inductance path directly to the MOSFET gate; absolute maximum is VVCC + 0.3 V."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No electrical connection."
      },
      {
        "number": "13",
        "name": "FB",
        "type": "input",
        "description": "Primary-side feedback pin; a resistor between FB and SW together with the RSET resistor sets the output voltage, and the pin is rated to 105 V to AGND."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply connection that powers the internal bias regulator and the input-voltage sense; the recommended operating input range is 4.5 V to 100 V."
      },
      {
        "number": "15",
        "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: The exposed thermal pad (EP) is listed in the pin table without a numeric pin number (shown as '--'); VCC is described as a power pin (P) that both outputs the internal regulator voltage and supplies th; Pin types for TC, RSET, SS, CS, and FB are given as I (input) in the datasheet and mapped to KiCad i",
          "exposed pad 15 added from the footprint"
        ],
        "pages_sent": 23,
        "cost_usd": 0.1214,
        "at": "2026-10-19T02:25:39"
      },
      "datasheet": {
        "url": "https://www.ti.com.cn/cn/lit/ds/symlink/lm5185-q1.pdf",
        "pages": 34,
        "sha256": "4c73add249ee4964",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 15,
        "described": 15,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm5185qpwprq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.35,
          5.0,
          1.05
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e73930af88609deacee2bde98223bb9da2411f0cebb494015de765f0df216789",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm5185qpwprq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.35,
          5.0,
          1.05
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "31e68a99a083811e62e50dd30e685f28912c6e60bfe4b4f9a95537801d4b2f85",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}