LMR51410YFDBVR

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  "slug": "lmr51410yfdbvr",
  "title": "LMR51410YFDBVR",
  "brief": "Texas Instruments Global Sourcing Parts, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "LMR51410YFDBVR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Global Sourcing Parts",
    "subcategory": "Global Sourcing Parts",
    "datasheet": "https://www.ti.com.cn/cn/lit/ds/symlink/lmr51410.pdf",
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      "lbr": "lmr51410yfdbvr.lbr"
    },
    "distributor_links": {
      "lcsc": "C32347484",
      "digikey": "296-LMR51410YFDBVRTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:04:34Z",
      "source": "Component Ocean /api/assign-pns",
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    },
    "pins": [
      {
        "number": "1",
        "name": "CB",
        "type": "power_out",
        "description": "Bootstrap capacitor connection for the high-side FET gate driver; connect a 100nF quality capacitor between CB and SW, rated 16V or higher with X7R or X5R dielectric."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground, internally connected to the low-side FET source; connect to system ground and the ground side of CIN and COUT, keeping the connection to CIN as short as possible."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Converter feedback input; connect a resistor divider to set the output voltage, and do not short this pin to ground during operation."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Precision enable input that must not be left floating: high turns the converter on and low turns it off, it may be tied to VIN, its voltage must not exceed VIN + 0.3V, and an external divider can set an adjustable UVLO."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input for the internal bias LDO and high-side FET, operating from 4V to 42V, with the input bypass capacitor connected directly between this pin and GND."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "power_out",
        "description": "Converter switch output, internally connected to the high-side FET source and low-side FET drain, which drives the power inductor."
      }
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        "sha256": "c9e4cc6df5596e11",
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          "name": "VIN shutdown supply current",
          "symbol": "ISD(VIN)",
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          "conditions": "EN rising, enables switching",
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          "unit": "V",
          "min": 0.85,
          "typ": 1,
          "max": 1.15,
          "conditions": "EN falling, disables switching",
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        {
          "name": "EN pin pull current",
          "symbol": "IEN(P2)",
          "kind": "electrical",
          "unit": "nA",
          "min": 10,
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          "conditions": "VEN = 3V",
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        {
          "name": "Voltage reference",
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          "min": 0.788,
          "typ": 0.8,
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        {
          "name": "FB input leakage current",
          "symbol": "IFB(LKG)",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
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          "max": 0.2,
          "conditions": "VFB = 0.8V",
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        },
        {
          "name": "Switching frequency, CCM operation, Y version",
          "symbol": "fSW(CCM)",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0.935,
          "typ": 1.1,
          "max": 1.265,
          "conditions": "CCM operation, Y version",
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        },
        {
          "name": "Maximum ON pulse width",
          "symbol": "tON_MAX",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VIN = 12V, IOUT = 0.5A",
          "source_page": 5,
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        },
        {
          "name": "High-side peak current limit, LMR51410",
          "symbol": "IHS_PK(OC)",
          "kind": "electrical",
          "unit": "A",
          "min": 1.25,
          "typ": 1.6,
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          "name": "Low-side valley current limit, LMR51410",
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          "name": "VIN operating input voltage range",
          "symbol": "VIN",
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          "min": 4,
          "typ": null,
          "max": 42,
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        {
          "name": "Maximum switch duty cycle",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": null,
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        {
          "name": "VIN UVLO hysteresis",
          "symbol": "VIN_UVLO(H)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.25,
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        {
          "name": "High-side MOSFET on-resistance",
          "symbol": "RDSON(HS)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "VIN = 12V, TJ = 25°C",
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          "name": "Low-side MOSFET on-resistance",
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          "conditions": "VIN = 12V, TJ = 25°C",
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          "name": "Minimum ON pulse width",
          "symbol": "tON_MIN",
          "kind": "electrical",
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          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VIN = 12V, IOUT = 0.1A",
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        {
          "name": "Minimum OFF pulse width",
          "symbol": "tOFF_MIN",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "VIN = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
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          "name": "Low-side negative current limit, LMR51410 FPWM only",
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          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": -0.66,
          "max": null,
          "conditions": "LMR51410, FPWM only",
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          "name": "Zero-crossing detection current threshold",
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          "unit": "°C",
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          "typ": 165,
          "max": null,
          "conditions": "junction temperature rising",
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          "typ": 20,
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          "typ": 2.3,
          "max": null,
          "conditions": "",
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        {
          "name": "FB voltage triggering short-circuit hiccup",
          "symbol": "VHC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.32,
          "max": null,
          "conditions": "",
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        {
          "name": "Time between current-limit hiccup bursts",
          "symbol": "THICCUP",
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          "max": null,
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          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 147.8,
          "max": null,
          "conditions": "DBV (SOT-23-6), JESD 51-7 4-layer board, simulated",
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          "name": "Junction-to-ambient thermal resistance (effective)",
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          "typ": 95,
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          "name": "Junction-to-case (top) thermal resistance",
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          "name": "Junction-to-board thermal resistance",
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          "kind": "thermal",
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          "max": null,
          "conditions": "DBV (SOT-23-6)",
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        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
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          "min": null,
          "typ": 14.2,
          "max": null,
          "conditions": "DBV (SOT-23-6)",
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          "name": "Junction-to-board characterization parameter",
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