main
Ray Set visibility: public 86c5b17 9h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lmr51606ydbvr",
  "title": "LMR51606YDBVR",
  "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",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "global sourcing parts",
    "lmr51606ydbvr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LMR51606YDBVR",
    "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/lmr51606.pdf?ts=1730374222032&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fproduct%252Fzh-cn%252FLMR51606%253FkeyMatch%253DLMR51606%2526tisearch%253Duniversal_search%2526usecase%253DGPN",
    "parts": {
      "symbol": "lmr51606ydbvr.kicad_sym",
      "footprint": "lmr51606ydbvr.kicad_mod",
      "model_3d": "lmr51606ydbvr-hero.glb",
      "model_3d_plain": "lmr51606ydbvr-etched.glb",
      "model_3d_step": "lmr51606ydbvr-etched.step",
      "model_3d_step_plain": "lmr51606ydbvr.step",
      "lbr": "lmr51606ydbvr.lbr"
    },
    "distributor_links": {
      "lcsc": "C33545953",
      "digikey": "296-LMR51606YDBVRTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:15:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LMR51606YDBVRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CB",
        "type": "passive",
        "description": "Bootstrap capacitor connection for the high-side FET driver; a 100nF quality capacitor is connected between this pin and SW."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin, internally connected to the low-side FET source; connect to system ground and to the ground side of CIN and COUT, keeping the connection to CIN short."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Converter feedback input; a resistor divider connected here sets the output voltage, and this pin must not be shorted to ground during operation."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Precision enable input that must not be left open or floating; high turns the converter on and low turns it off, it may be tied to VIN, and an external divider allows an adjustable UVLO."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin for the internal bias LDO and high-side FET, operating over 4 V to 65 V; the input bypass capacitor CIN must be connected directly between this pin and GND."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Converter switching output, internally connected to the high-side FET source and low-side FET drain; connects to the power inductor."
      }
    ],
    "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 pin table (Table 5-1) is taken from the Chinese translation of the datasheet, which TI states ma; The datasheet lists pin type 'P' (power) for CB and SW, which does not map cleanly to KiCad classes;; The pin table and figure 5-1 (top view) do not give a pin 1 orientation mark beyond the numbering in"
        ],
        "pages_sent": 24,
        "cost_usd": 0.1145,
        "at": "2026-10-17T14:14:08"
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      "datasheet": {
        "url": "https://www.ti.com.cn/cn/lit/ds/symlink/lmr51606.pdf?ts=1730374222032&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fproduct%252Fzh-cn%252FLMR51606%253FkeyMatch%253DLMR51606%2526tisearch%253Duniversal_search%2526usecase%253DGPN",
        "pages": 33,
        "sha256": "5c1fcf38e7a0045e",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "f8c8f8a2ed3020935561d05fcf2718e38a90e4666613a0aecaf7c83e2d40f76e",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "TEXAS INSTRUMENTS",
      "Package": "SOT-23-6",
      "Category": "Global Sourcing Parts",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5c1fcf38e7a0045e7edc114b23caae11a916288954d03713e49c38d1eb665223",
      "rows": [
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          "name": "VIN to GND",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN to GND",
          "symbol": "EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max printed as VIN + 0.3 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB to GND",
          "symbol": "FB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SW to GND",
          "symbol": "SW",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SW to GND transient",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": 70,
          "conditions": "transient less than 10 ns",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CBOOT to SW",
          "symbol": "CBOOT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
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        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN input voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 65,
          "conditions": "VIN to GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN input voltage",
          "symbol": "EN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "max printed as VIN",
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        {
          "name": "FB voltage",
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          "min": 0,
          "typ": null,
          "max": 4.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current, non-switching, PFM",
          "symbol": "IQ(VIN)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 26.5,
          "max": 40,
          "conditions": "VEN = 3 V, PFM model only",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown supply current",
          "symbol": "ISD(VIN)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.8,
          "max": 3,
          "conditions": "VEN = 0 V",
          "source_page": 5,
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        },
        {
          "name": "EN rising threshold (enable switching)",
          "symbol": "VEN(R)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": 1.227,
          "max": 1.36,
          "conditions": "EN rising, enables switching",
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        {
          "name": "EN falling threshold (disable switching)",
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          "conditions": "EN falling, disables switching",
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        {
          "name": "Reference voltage",
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        {
          "name": "Switching frequency, CCM, Y version",
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          "kind": "electrical",
          "unit": "Mhz",
          "min": 0.935,
          "typ": 1.1,
          "max": 1.265,
          "conditions": "CCM operation, Y version",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-side peak current limit, LMR51606",
          "symbol": "IHS_PK(OC)",
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          "unit": "A",
          "min": 0.8,
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          "max": 1.4,
          "conditions": "LMR51606",
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        {
          "name": "Low-side valley current limit, LMR51606",
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          "conditions": "LMR51606",
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        },
        {
          "name": "VOUT adjustment regulation accuracy",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": -1.5,
          "typ": null,
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          "conditions": "PFM operation, VIN = 24 V, IOUT = 0 A to full load, deviation from nominal VOUT",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Maximum duty cycle",
          "symbol": "DMAX",
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          "source_page": 6,
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        {
          "name": "Thermal resistance, junction-to-ambient",
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          "kind": "thermal",
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          "min": null,
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          "typ": 95,
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          "conditions": "EVM",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction-to-case (top)",
          "symbol": "RθJC(top)",
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          "min": null,
          "typ": 71.1,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction-to-board",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 36.6,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 14.2,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 36.4,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}