LMR51610YFDBVR

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  "title": "LMR51610YFDBVR",
  "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": "LMR51610YFDBVR",
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    "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/lmr51610.pdf?ts=1739432366526&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fsitesearch%252Fzh-cn%252Fdocs%252Funiversalsearch.tsp%253FlangPref%253Dzh-CN%2526nr%253D7%2526searchTerm%253DLMR51610YFDBVR",
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      "lbr": "lmr51610yfdbvr.lbr"
    },
    "distributor_links": {
      "lcsc": "C22428435",
      "digikey": "296-LMR51610YFDBVRTR-ND"
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    "distributor_check": {
      "checked_at": "2026-10-17T21:49:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LMR51610YFDBVRTR-ND",
        "status": "found"
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      "mouser": {
        "pn": null,
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    "pins": [
      {
        "number": "1",
        "name": "CB",
        "type": "passive",
        "description": "Bootstrap capacitor connection for the high-side FET driver; connect a 100 nF good-quality capacitor between this pin and SW (the datasheet elsewhere recommends 0.1 µF, X7R or X5R, rated 16 V or higher)."
      },
      {
        "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 terminal to ground during operation."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Precision enable input that turns the converter on (high) and off (low); it must not be left floating, may be tied to VIN, and an external resistor divider can set an adjustable UVLO."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin for the internal bias LDO and the high-side FET; connect to the input supply and input bypass capacitor CIN, which must be connected directly to this pin and GND."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "power_out",
        "description": "Converter switching output, internally connected to the high-side FET source and low-side FET drain; connect to the power inductor."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Table 5-1 labels CB and SW as type 'P' (power), which does not map cleanly to a KiCad class. I chose; The provided datasheet text is the Chinese translation (ZHCSQJ7B). Pin names and numbers were taken ; The pin-1 position in Figure 5-1 is only given as a graphic, and the text extraction does not show t"
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          "name": "Reference voltage",
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          "min": 0.935,
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          "conditions": "LMR51610, TJ = -40°C to 105°C",
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          "name": "Low-side negative current limit (FPWM only)",
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          "kind": "electrical",
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        {
          "name": "VIN UVLO rising threshold",
          "symbol": "VINUVLO(R)",
          "kind": "electrical",
          "unit": "V",
          "min": 3.82,
          "typ": 4,
          "max": null,
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        {
          "name": "VIN UVLO falling threshold",
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          "name": "VIN UVLO hysteresis",
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          "unit": "V",
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        {
          "name": "VIN quiescent current, FPWM operation",
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          "unit": "µA",
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          "max": null,
          "conditions": "VEN = 3V, FPWM operation",
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          "name": "FB input leakage current",
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          "kind": "electrical",
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        {
          "name": "Internal fixed soft-start time",
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          "kind": "electrical",
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          "min": null,
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        {
          "name": "High-side MOSFET on-resistance",
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          "kind": "electrical",
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          "min": null,
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          "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",
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          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VIN = 12V, IOUT = 0.1A",
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        {
          "name": "Maximum ON pulse width",
          "symbol": "tON(max)",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
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          "max": null,
          "conditions": "VIN = 12V, IOUT = 0.5A",
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        {
          "name": "Minimum OFF pulse width",
          "symbol": "tOFF(min)",
          "kind": "electrical",
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          "min": null,
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          "conditions": "VIN = 5V",
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          "name": "Output voltage regulation accuracy",
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          "kind": "electrical",
          "unit": "%",
          "min": -1.5,
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          "conditions": "PFM operation, VIN = 24V, IOUT = 0A to full load (printed for PFM; FPWM not separately listed)",
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        {
          "name": "FB voltage to force hiccup",
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          "name": "Maximum duty cycle",
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          "min": null,
          "typ": 98,
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          "name": "Switch voltage dead time",
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          "max": null,
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          "name": "Thermal shutdown threshold",
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          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "temperature rising",
          "source_page": 6,
          "source": "datasheet"
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          "name": "Thermal shutdown hysteresis",
          "symbol": "TJ(HYS)",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "not production tested",
          "source_page": 6,
          "source": "datasheet"
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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": "JESD 51-7, 4-layer JEDEC board; for comparison only",
          "source_page": 5,
          "source": "datasheet"
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          "name": "Junction-to-ambient thermal resistance (EVM)",
          "symbol": "RθJA(Effective)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 95,
          "max": null,
          "conditions": "EVM",
          "source_page": 5,
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          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
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          "unit": "°C/W",
          "min": null,
          "typ": 71.1,
          "max": null,
          "conditions": "",
          "source_page": 5,
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          "name": "Junction-to-board thermal resistance",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 36.6,
          "max": null,
          "conditions": "",
          "source_page": 5,
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        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 14.2,
          "max": null,
          "conditions": "",
          "source_page": 5,
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        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 36.4,
          "max": null,
          "conditions": "",
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