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Ray Set visibility: public ad908cb 4d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lmr50410y5fqdbvrq1",
  "title": "LMR50410Y5FQDBVRQ1",
  "brief": "Texas Instruments DC-DC Converters, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power supply chip",
    "lmr50410y5fqdbvrq1",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LMR50410Y5FQDBVRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lmr50410-q1.pdf",
    "parts": {
      "symbol": "lmr50410y5fqdbvrq1.kicad_sym",
      "footprint": "lmr50410y5fqdbvrq1.kicad_mod",
      "model_3d": "lmr50410y5fqdbvrq1-hero.glb",
      "model_3d_plain": "lmr50410y5fqdbvrq1-etched.glb",
      "model_3d_step": "lmr50410y5fqdbvrq1-etched.step",
      "model_3d_step_plain": "lmr50410y5fqdbvrq1.step",
      "lbr": "lmr50410y5fqdbvrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2871822",
      "digikey": "296-LMR50410Y5FQDBVRQ1TR-ND"
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      "checked_at": "2026-10-22T20:10:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LMR50410Y5FQDBVRQ1TR-ND",
        "status": "found"
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      "mouser": {
        "pn": null,
        "status": "quota"
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    "pins": [
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        "number": "1",
        "name": "CB",
        "type": "passive",
        "description": "Bootstrap capacitor connection for the high-side FET driver; connect a high quality 100-nF capacitor from this pin to the SW pin (CB to SW max 5.5 V)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground terminal connected to the source of the low-side FET internally; connect to system ground and the ground side of CIN and COUT, with the path to CIN as short as possible."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the converter; for this fixed 5.0-V output version connect it directly to the output point, and never short it to ground during operation (FB to GND max 5.5 V)."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Precision enable input (high = on, low = off) that must not be floated, can be tied to VIN, and allows adjustable UVLO with an external resistor divider."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input terminal to the internal bias LDO and high-side FET, operating range 4 V to 36 V, with input bypass capacitors CIN connected directly between this pin and GND."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "passive",
        "description": "Switching output of the converter, internally connected to the source of the high-side FET and drain of the low-side FET; connect to the power inductor."
      }
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      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet pin table gives only type letters (P, G, A), not directions. CB and SW are Power-type and "
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        "pages_sent": 7,
        "cost_usd": 0.0732,
        "at": "2026-10-22T20:10:10"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lmr50410-q1.pdf",
        "pages": 38,
        "sha256": "70125484c2028d37",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-6",
      "Category": "Power Supply Chip",
      "Pins": "6"
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      "contacts": {
        "quote": "The SW pin connecting to the inductor must be as short as possible, and just wide enough to carry the load current without excessive heating. Short, thick traces or copper pours (shapes) must be used ",
        "page": 27,
        "doc": "ds.pdf",
        "material": "copper"
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          "name": "Rising UVLO threshold",
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          "kind": "electrical",
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          "min": 3.55,
          "typ": 3.75,
          "max": 4,
          "conditions": "Rising threshold",
          "source_page": 5,
          "source": "datasheet"
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          "name": "Falling UVLO threshold",
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          "min": 3.25,
          "typ": 3.45,
          "max": 3.65,
          "conditions": "Falling threshold",
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          "source": "datasheet"
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        {
          "name": "Shutdown quiescent current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "VEN = 0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Enable input high-level",
          "symbol": "VEN-VOUT-H",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": 1.23,
          "max": 1.36,
          "conditions": "VENABLE rising",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Enable input low-level",
          "symbol": "VEN-VOUT-L",
          "kind": "electrical",
          "unit": "V",
          "min": 0.95,
          "typ": 1.1,
          "max": 1.22,
          "conditions": "VENABLE falling",
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          "source": "datasheet"
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        {
          "name": "Enable input leakage current",
          "symbol": "ILKG-EN",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": 200,
          "conditions": "VEN = 3.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (5 V fixed)",
          "symbol": "VOUT-5V-Fixed",
          "kind": "electrical",
          "unit": "V",
          "min": 4.925,
          "typ": 5,
          "max": 5.075,
          "conditions": "Vin=12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-side current limit",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "A",
          "min": 1.25,
          "typ": 1.6,
          "max": 1.9,
          "conditions": "Vin=12V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Low-side current limit",
          "symbol": "ILS-LIMIT",
          "kind": "electrical",
          "unit": "A",
          "min": 0.9,
          "typ": 1.1,
          "max": 1.3,
          "conditions": "Vin=12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Internal oscillator frequency",
          "symbol": "FOSC",
          "kind": "timing",
          "unit": "MHz",
          "min": 1.8,
          "typ": 2.1,
          "max": 2.4,
          "conditions": "2.1-MHz variant",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input voltage VIN to GND (abs max)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 38,
          "conditions": "VIN to GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN to GND (abs max)",
          "symbol": "EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max is VIN+0.3",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "FB to GND (abs max)",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "FB to GND",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "SW to GND (abs max)",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max is VIN+0.3",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "SW to GND transients",
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          "kind": "absolute_maximum",
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          "min": -3.5,
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          "max": 38,
          "conditions": "less than 10-ns transients",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "CB to SW (abs max)",
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          "kind": "absolute_maximum",
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          "conditions": "CB to SW",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature (abs max)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "ESD HBM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2500,
          "typ": null,
          "max": 2500,
          "conditions": "Human body model (HBM)",
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          "name": "ESD CDM",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -750,
          "typ": null,
          "max": 750,
          "conditions": "Charged device model (CDM)",
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          "source": "datasheet"
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        {
          "name": "Input voltage VIN to GND",
          "symbol": "VIN",
          "kind": "recommended_operating",
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          "min": 4,
          "typ": null,
          "max": 36,
          "conditions": "VIN to GND",
          "source_page": 4,
          "source": "datasheet"
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          "name": "EN to GND",
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          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
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          "conditions": "Max is VIN",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Output current",
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          "kind": "recommended_operating",
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          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
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          "name": "Junction-to-ambient thermal resistance",
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          "kind": "thermal",
          "unit": "°C/W",
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          "typ": 173,
          "max": null,
          "conditions": "DBV (SOT-23-6)",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 116,
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          "conditions": "DBV (SOT-23-6)",
          "source_page": 4,
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        {
          "name": "Junction-to-board thermal resistance",
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          "kind": "thermal",
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          "min": null,
          "typ": 31,
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          "conditions": "DBV (SOT-23-6)",
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          "source": "datasheet"
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          "name": "Junction-to-top characterization parameter",
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          "min": null,
          "typ": 20,
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          "source": "datasheet"
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          "name": "Junction-to-board characterization parameter",
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          "source_page": 5,
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          "typ": 170,
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