LM3409QHVMY

{
  "slug": "lm3409qhvmy",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments LED Drivers, HVSSOP-10-EP-0.5mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "led drivers",
    "lm3409qhvmy",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
  "files": [
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    "lm3409qhvmy.glb",
    "lm3409qhvmy.step",
    "lm3409qhvmy.lbr",
    "docs/hero.png",
    "docs/lm3409qhvmy-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm3409qhvmy-hero.glb",
    "lm3409qhvmy-hero.overlay.json",
    "lm3409qhvmy-etched.glb"
  ],
  "component": {
    "mpn": "LM3409QHVMY",
    "manufacturer": "Texas Instruments",
    "package": "HVSSOP-10-EP-0.5mm",
    "pin_count": 11,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm3409.pdf",
    "parts": {
      "symbol": "lm3409qhvmy.kicad_sym",
      "footprint": "lm3409qhvmy.kicad_mod",
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      "model_3d_plain": "lm3409qhvmy-etched.glb",
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      "lbr": "lm3409qhvmy.lbr"
    },
    "distributor_links": {
      "lcsc": "C701831"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:42:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "UVLO",
        "type": "input",
        "description": "Input undervoltage lockout connects to a resistor divider from VIN and GND, with a turn-on threshold of 1.24 V and turnoff hysteresis provided by a 22 µA current source."
      },
      {
        "number": "2",
        "name": "IADJ",
        "type": "input",
        "description": "Analog LED current adjust accepts a voltage from 0 to 1.24 V, or a resistor to GND, or can be left open to set the current sense threshold voltage."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Logic level enable and PWM dimming input: a voltage above 1.74 V enables the device, and a voltage below 0.5 V gives low-power shutdown."
      },
      {
        "number": "4",
        "name": "COFF",
        "type": "input",
        "description": "Off-time programming pin: a resistor from VO and a capacitor to GND set the off-time."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Connect to system ground."
      },
      {
        "number": "6",
        "name": "PGATE",
        "type": "output",
        "description": "Gate drive output connects to the gate of the external P-channel MOSFET, with a 2-Ω, 1-A peak gate drive."
      },
      {
        "number": "7",
        "name": "CSN",
        "type": "input",
        "description": "Negative current sense connects to the negative side of the sense resistor."
      },
      {
        "number": "8",
        "name": "CSP",
        "type": "input",
        "description": "Positive current sense connects to the positive side of the sense resistor and also to VIN."
      },
      {
        "number": "9",
        "name": "VCC",
        "type": "power_out",
        "description": "VIN-referenced linear regulator output connects to VIN through at least a 1-µF ceramic capacitor and powers the P-channel MOSFET drive."
      },
      {
        "number": "10",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage connects to the input supply, with a VIN range of 6 V to 75 V for the LM3409HV-Q1 variant."
      },
      {
        "number": "11",
        "name": "DAP",
        "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 datasheet's thermal pad (DAP) is printed without a pin number, so it is not listed in pins. It m"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0173,
        "at": "2026-11-05T23:42:42"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm3409.pdf",
        "pages": 47,
        "sha256": "7745578a43302ee7",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "18605eed706df7bb9674107abe7aa36e0ba163a09c21a2cee6c75cfa291b7937",
        "checked": "2026-11-05",
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      },
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}