LM34966QPWPRQ1

{
  "slug": "lm34966qpwprq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Controllers, HTSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "lm34966qpwprq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm34966qpwprq1.kicad_sym",
    "lm34966qpwprq1.kicad_mod",
    "lm34966qpwprq1.glb",
    "lm34966qpwprq1.step",
    "lm34966qpwprq1.lbr",
    "docs/hero.png",
    "docs/lm34966qpwprq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm34966qpwprq1-hero.glb",
    "lm34966qpwprq1-hero.overlay.json",
    "lm34966qpwprq1-etched.glb"
  ],
  "component": {
    "mpn": "LM34966QPWPRQ1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-14",
    "pin_count": 15,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Controllers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm34966-q1",
    "parts": {
      "symbol": "lm34966qpwprq1.kicad_sym",
      "footprint": "lm34966qpwprq1.kicad_mod",
      "model_3d": "lm34966qpwprq1-hero.glb",
      "model_3d_plain": "lm34966qpwprq1-etched.glb",
      "model_3d_step": "lm34966qpwprq1-etched.step",
      "model_3d_step_plain": "lm34966qpwprq1.step",
      "lbr": "lm34966qpwprq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2862732",
      "digikey": "296-LM34966QPWPRQ1TR-ND",
      "mouser": "595-LM34966QPWPRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:02:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LM34966QPWPRQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM34966QPWPRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BIAS",
        "type": "power_in",
        "description": "Supply voltage input to the VCC regulator; connect a bypass capacitor from this pin to PGND (absolute maximum 45 V)."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No electrical contact."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_out",
        "description": "Output of the internal VCC regulator and supply input of the MOSFET driver; connect a ceramic bypass capacitor from this pin to PGND."
      },
      {
        "number": "4",
        "name": "GATE",
        "type": "output",
        "description": "N-channel MOSFET gate drive output; connect directly to the MOSFET gate through a short, low inductance path."
      },
      {
        "number": "5",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin; connect directly to the ground of the sense resistor through a low inductance wide and short path."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground pin; connect directly to the analog ground plane through a wide and short path."
      },
      {
        "number": "7",
        "name": "CS",
        "type": "input",
        "description": "Current sense input; connect to the positive side of the current sense resistor through a short path."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "output",
        "description": "Output of the internal transconductance error amplifier; connect the loop compensation components between this pin and the ground plane."
      },
      {
        "number": "9",
        "name": "VDD",
        "type": "power_in",
        "description": "Input of the internal logic; connect directly to VCC."
      },
      {
        "number": "10",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the error amplifier; connect a voltage divider from the output to set output voltage, with the low-side resistor to AGND."
      },
      {
        "number": "11",
        "name": "SS",
        "type": "input",
        "description": "Soft-start time programming pin; an external capacitor to AGND and an internal current source set the reference ramp rate."
      },
      {
        "number": "12",
        "name": "RT",
        "type": "input",
        "description": "Switching frequency setting pin; frequency is programmed by a single resistor between RT and AGND."
      },
      {
        "number": "13",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power-good output that goes low if FB is below the undervoltage threshold; use a pullup resistor or leave floating if unused."
      },
      {
        "number": "14",
        "name": "EN/UVLO/SYNC",
        "type": "input",
        "description": "Programs undervoltage lockout start-up and shutdown levels via a divider and accepts a negative pulse for external clock synchronization; must not be left floating, connect to BIAS if not used."
      },
      {
        "number": "15",
        "name": "EP",
        "type": "power_in",
        "description": "Exposed pad; must be connected to AGND and the large ground copper plane to decrease thermal resistance."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Exposed pad is printed as 'EP' with no pin number in the pin table; number '15' is taken from the pa; Datasheet text is the Chinese-language version; the pin table is in English. VCC type is set to powe",
          "1/15 pins cited to the wrong page (name found elsewhere): ['15:EP@p3']"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0822,
        "at": "2026-10-23T09:02:22"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm34966-q1",
        "pages": 45,
        "sha256": "50b45891edffe0df",
        "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": "lm34966qpwprq1.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm34966qpwprq1-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": "2077639b5d34076d27bc684fb3cc0a21fa2e5eb34ad6279f83dc728117ca53c1",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}