TPS51716RUKR

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  "type": "component",
  "slug": "tps51716rukr",
  "title": "TPS51716RUKR",
  "brief": "Texas Instruments Power Management Specialized - PMIC, WQFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "power supply chip",
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  "component": {
    "mpn": "TPS51716RUKR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-20-EP(3x3)",
    "pin_count": 21,
    "category": "Power Supply Chip",
    "subcategory": "Power Management Specialized - PMIC",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps51716",
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    "distributor_links": {
      "lcsc": "C2871145"
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    "distributor_check": {
      "checked_at": "2026-10-22T20:58:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VTTSNS",
        "type": "input",
        "description": "VTT output voltage feedback; connect to the positive node of the VTT output capacitor(s) as a separate trace from the high-current line."
      },
      {
        "number": "2",
        "name": "VLDOIN",
        "type": "power_in",
        "description": "Power supply input for the VTT LDO; connect VDDQ in typical application."
      },
      {
        "number": "3",
        "name": "VTT",
        "type": "power_out",
        "description": "VTT 2-A LDO output; needs 10 μF or larger capacitance for stability."
      },
      {
        "number": "4",
        "name": "VTTGND",
        "type": "power_in",
        "description": "Power ground for the VTT LDO."
      },
      {
        "number": "5",
        "name": "VTTREF",
        "type": "power_out",
        "description": "Buffered VTT reference output (10 mA sink/source); needs 0.22 μF or larger capacitance for stability."
      },
      {
        "number": "6",
        "name": "VREF",
        "type": "power_out",
        "description": "1.8-V reference output."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground."
      },
      {
        "number": "8",
        "name": "REFIN",
        "type": "input",
        "description": "Reference input for VDDQ; connect to the midpoint of a resistor divider from VREF to GND and add a capacitor for stable operation."
      },
      {
        "number": "9",
        "name": "VDDQSNS",
        "type": "input",
        "description": "VDDQ output voltage feedback, reference input for VTTREF, and also the power supply for VTTREF."
      },
      {
        "number": "10",
        "name": "PGND",
        "type": "power_in",
        "description": "Gate driver power ground and RDS(on) current sensing input(+)."
      },
      {
        "number": "11",
        "name": "DRVL",
        "type": "output",
        "description": "Low-side MOSFET gate driver output."
      },
      {
        "number": "12",
        "name": "V5IN",
        "type": "power_in",
        "description": "5-V power supply input for internal circuits and MOSFET gate drivers."
      },
      {
        "number": "13",
        "name": "SW",
        "type": "bidirectional",
        "description": "High-side MOSFET gate driver return and RDS(on) current sensing input(-)."
      },
      {
        "number": "14",
        "name": "DRVH",
        "type": "output",
        "description": "High-side MOSFET gate driver output."
      },
      {
        "number": "15",
        "name": "VBST",
        "type": "input",
        "description": "High-side MOSFET gate driver bootstrap voltage input; connect a capacitor from VBST to SW."
      },
      {
        "number": "16",
        "name": "S5",
        "type": "input",
        "description": "S5 signal input (see Table 1)."
      },
      {
        "number": "17",
        "name": "S3",
        "type": "input",
        "description": "S3 signal input (see Table 1)."
      },
      {
        "number": "18",
        "name": "TRIP",
        "type": "input",
        "description": "Connect resistor to GND to set OCL at VTRIP/8; outputs 10 μA at room temperature, TC = 4700 ppm/°C."
      },
      {
        "number": "19",
        "name": "MODE",
        "type": "input",
        "description": "Connect resistor to GND to configure switching frequency, control mode and discharge mode (see Table 2)."
      },
      {
        "number": "20",
        "name": "PGOOD",
        "type": "output",
        "description": "Powergood open-drain output that goes high when the VDDQ output voltage is within the target range."
      },
      {
        "number": "21",
        "name": "Thermal Pad",
        "type": "passive",
        "description": "Thermal pad; connect directly to system GND plane with multiple vias."
      }
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        "pages": 34,
        "sha256": "9580a94642924230",
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        "described": 21,
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-20-EP(3x3)",
      "Category": "Power Supply Chip",
      "Pins": "21"
    },
    "characteristics": {
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          "name": "V5IN supply voltage",
          "symbol": "V5IN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
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        {
          "name": "Operating free-air temperature",
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          "typ": null,
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        {
          "name": "Storage temperature",
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          "min": -5,
          "typ": null,
          "max": 30,
          "conditions": "",
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        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 94.1,
          "max": null,
          "conditions": "RUK (WQFN) 20 pins",
          "source_page": 5,
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        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 58.1,
          "max": null,
          "conditions": "",
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        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 64.3,
          "max": null,
          "conditions": "",
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          "name": "VREF output voltage",
          "symbol": "VVREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7856,
          "typ": 1.8,
          "max": 1.8144,
          "conditions": "0 μA ≤ IVREF <300 μA, TA = –10°C to 85°C",
          "source_page": 6,
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          "name": "VREF output voltage",
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          "conditions": "0 μA ≤ IVREF <300 μA, TA = –40°C to 85°C",
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        {
          "name": "VTTREF output voltage tolerance to VVDDQ",
          "symbol": "VVTTREF",
          "kind": "electrical",
          "unit": "%",
          "min": 49.2,
          "typ": null,
          "max": 50.8,
          "conditions": "|IVTTREF| <100 μA, 1.2 V ≤ VVDDQSNS ≤ 1.8 V",
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          "source": "datasheet"
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          "name": "VTTREF output voltage tolerance to VVDDQ",
          "symbol": "VVTTREF",
          "kind": "electrical",
          "unit": "%",
          "min": 49,
          "typ": null,
          "max": 51,
          "conditions": "|IVTTREF| <10 mA, 1.2 V ≤ VVDDQSNS ≤ 1.8 V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "VTT output voltage tolerance to VTTREF",
          "symbol": "VVTTTOL",
          "kind": "electrical",
          "unit": "mV",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "|IVTT| ≤ 10 mA, 1.2 V ≤ VVDDQSNS ≤ 1.8 V, IVTTREF= 0 A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VTT output voltage tolerance to VTTREF",
          "symbol": "VVTTTOL",
          "kind": "electrical",
          "unit": "mV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "|IVTT| ≤ 1 A, 1.2 ≤ VVDDQSNS ≤ 1.8 V, IVTTREF= 0 A",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "VTT output voltage tolerance to VTTREF",
          "symbol": "VVTTTOL",
          "kind": "electrical",
          "unit": "mV",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "|IVTT| ≤ 2 A, 1.4 V ≤ VVDDQSNS ≤ 1.8 V, IVTTREF= 0 A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VTTSNS input bias current",
          "symbol": "IVTTSNSBIAS",
          "kind": "electrical",
          "unit": "μA",
          "min": -0.5,
          "typ": 0,
          "max": 0.5,
          "conditions": "VS3 = 5 V, VS5 = 5 V, VVTTSNS = VVTTREF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "MODE source current",
          "symbol": "IMODE",
          "kind": "electrical",
          "unit": "μA",
          "min": 14,
          "typ": 15,
          "max": 16,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "TRIP source current",
          "symbol": "ITRIP",
          "kind": "electrical",
          "unit": "μA",
          "min": 9,
          "typ": 10,
          "max": 11,
          "conditions": "TA = 25°C, VTRIP = 0.4 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "V5IN UVLO wake-up",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.2,
          "typ": 4.4,
          "max": 4.5,
          "conditions": "Wake-up",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "V5IN UVLO shutdown",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 3.7,
          "typ": 3.9,
          "max": 4.1,
          "conditions": "Shutdown",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VDDQ OVP threshold",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "%",
          "min": 118,
          "typ": 120,
          "max": 122,
          "conditions": "OVP detect voltage",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VDDQ UVP threshold",
          "symbol": "VUVP",
          "kind": "electrical",
          "unit": "%",
          "min": 66,
          "typ": 68,
          "max": 70,
          "conditions": "UVP detect voltage",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HBM ESD",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "HBM",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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