TPS43061RTET

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps43061rtet",
  "title": "TPS43061RTET",
  "brief": "Texas Instruments DC-DC Converters, WQFN-16-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",
  "tags": [
    "component",
    "power supply chip",
    "tps43061rtet",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "TPS43061RTET",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps43061",
    "parts": {
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      "lbr": "tps43061rtet.lbr"
    },
    "distributor_links": {
      "lcsc": "C544914",
      "digikey": "296-35784-2-ND",
      "mouser": "595-TPS43061RTET"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T08:15:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-35784-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS43061RTET",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RT/CLK",
        "type": "input",
        "description": "Resistor timing and external clock pin: a resistor to AGND programs switching frequency between 50 kHz and 1 MHz, or an external clock of 300 kHz to 1 MHz synchronizes it."
      },
      {
        "number": "2",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start programming pin; a capacitor between SS and AGND sets the soft-start time."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "output",
        "description": "Output of the internal transconductance error amplifier; the loop compensation network connects from this pin to AGND."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Error amplifier input and feedback pin; connect to the center tap of a resistor divider to set the output voltage (reference 1.22 V typical)."
      },
      {
        "number": "5",
        "name": "ISNS-",
        "type": "input",
        "description": "Inductor current sense comparator inverting input, normally connected to the inductor side of the current sense resistor."
      },
      {
        "number": "6",
        "name": "ISNS+",
        "type": "input",
        "description": "Inductor current sense comparator non-inverting input, normally connected to the VIN side of the current sense resistor."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin of the IC, connected to a supply voltage between 4.5 and 38 V, which may differ from the boost power stage input."
      },
      {
        "number": "8",
        "name": "LDRV",
        "type": "output",
        "description": "Low-side gate driver output to the gate of the low-side N-channel MOSFET; an internal 200-kΩ resistor pulls it to PGND when VIN bias is removed."
      },
      {
        "number": "9",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground of the IC, connected to the source of the low-side MOSFET and tied to AGND at a single point on the PCB."
      },
      {
        "number": "10",
        "name": "VCC",
        "type": "power_out",
        "description": "Output of the internal LDO supplying control circuits and gate drivers, typically 5.5 V for the TPS43061; use a low-ESR ceramic capacitor of 0.47 to 10 µF to PGND."
      },
      {
        "number": "11",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap capacitor node for the high-side MOSFET gate driver; connect the bootstrap capacitor from this pin to SW (the TPS43061 has an integrated bootstrap diode)."
      },
      {
        "number": "12",
        "name": "SW",
        "type": "passive",
        "description": "Switching node of the boost converter, connected to the low-side MOSFET drain, high-side synchronous MOSFET source and the inductor."
      },
      {
        "number": "13",
        "name": "HDRV",
        "type": "output",
        "description": "High-side gate driver output to the gate of the synchronous rectifier MOSFET; connected to SW through an internal 200-kΩ resistor when VIN bias is removed."
      },
      {
        "number": "14",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power good indicator; a 10-kΩ pullup to VCC or an external logic supply is recommended."
      },
      {
        "number": "15",
        "name": "EN",
        "type": "input",
        "description": "Enable pin with internal pullup current source; floating enables the IC, below 1.2 V enters standby, below 0.4 V enters shutdown, and two resistors can set adjustable UVLO."
      },
      {
        "number": "16",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog signal ground of the IC, connected to PGND at a single point on the PCB."
      },
      {
        "number": "17",
        "name": "PowerPAD",
        "type": "power_in",
        "description": "Exposed PowerPAD connected to AGND, with thermal vias to an internal ground plane if possible for improved power dissipation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for SS, BOOT, SW, COMP are judgment calls since the datasheet does not state ERC classes; "
        ],
        "pages_sent": 9,
        "cost_usd": 0.1209,
        "at": "2026-10-23T08:15:38"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps43061",
        "pages": 44,
        "sha256": "2cd9f6a548135d9e",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "checked": "2026-10-23",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-16-EP(3x3)",
      "Category": "Power Supply Chip",
      "Pins": "17"
    },
    "characteristics": {
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "VIN, EN, ISNS+, ISNS-",
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        {
          "name": "SW DC voltage",
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          "conditions": "DC",
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        {
          "name": "SW transient voltage",
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        {
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        {
          "name": "BOOT, HDRV voltage wrt ground",
          "symbol": "",
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          "unit": "V",
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        {
          "name": "VCC, PGOOD, LDRV voltage",
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          "unit": "°C",
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        {
          "name": "Storage temperature range",
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          "unit": "°C",
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        {
          "name": "ESD HBM",
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          "unit": "V",
          "min": -2000,
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          "conditions": "Human body model, all pins",
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        {
          "name": "ESD CDM",
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          "conditions": "Charged device model, all pins",
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        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "recommended_operating",
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          "conditions": "",
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        {
          "name": "Output voltage range",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
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          "conditions": "min is VIN",
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        {
          "name": "EN voltage range",
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          "kind": "recommended_operating",
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          "min": 0,
          "typ": null,
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        },
        {
          "name": "External switching frequency logic input range",
          "symbol": "VCLK",
          "kind": "recommended_operating",
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          "typ": null,
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        {
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          "conditions": "",
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        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 65.7,
          "max": null,
          "conditions": "WQFN 16-pin",
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        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 42.3,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 18,
          "max": null,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Junction-to-case (bottom) thermal resistance",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 22.7,
          "max": null,
          "conditions": "",
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        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "electrical",
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          "min": 4.5,
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        {
          "name": "Input undervoltage threshold, falling",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
          "min": 3.7,
          "typ": 3.9,
          "max": 4,
          "conditions": "VIN falling",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input undervoltage threshold, rising",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
          "min": 3.9,
          "typ": 4.1,
          "max": 4.3,
          "conditions": "VIN rising",
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        },
        {
          "name": "Operating quiescent current into VIN",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 600,
          "max": 800,
          "conditions": "Device non-switching, RT = 115 kΩ, VFB = 2 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1.5,
          "max": 5,
          "conditions": "VEN = 0.4 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN threshold to standby",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "V",
          "min": 0.4,
          "typ": 0.7,
          "max": 0.9,
          "conditions": "VEN ramping down",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN threshold to enable",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.12,
          "typ": 1.21,
          "max": 1.29,
          "conditions": "VEN ramping up",
          "source_page": 5,
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        },
        {
          "name": "EN threshold to disable",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.14,
          "max": 1.28,
          "conditions": "VEN ramping down",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN hysteresis current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 3.2,
          "max": 4.6,
          "conditions": "VEN = 1.3 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage reference",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.21,
          "typ": 1.22,
          "max": 1.23,
          "conditions": "TJ = 25°C",
          "source_page": 5,
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        },
        {
          "name": "Feedback voltage reference",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.195,
          "typ": 1.22,
          "max": 1.244,
          "conditions": "TJ = –40°C to 150°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum current sense threshold",
          "symbol": "VCSmax",
          "kind": "electrical",
          "unit": "mV",
          "min": 64,
          "typ": 73,
          "max": 82,
          "conditions": "At 0% duty cycle",
          "source_page": 5,
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        },
        {
          "name": "Maximum current sense threshold",
          "symbol": "VCSmax",
          "kind": "electrical",
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          "min": 50,
          "typ": 61,
          "max": 72,
          "conditions": "At max duty cycle",
          "source_page": 5,
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        },
        {
          "name": "Switching frequency range",
          "symbol": "ƒSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 50,
          "typ": null,
          "max": 1000,
          "conditions": "Operating frequency range using resistor timing mode",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "ƒSW",
          "kind": "electrical",
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          "min": 450,
          "typ": 500,
          "max": 550,
          "conditions": "RT = 115 kΩ",
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          "source": "datasheet"
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        {
          "name": "Switching frequency",
          "symbol": "ƒSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 675,
          "typ": 750,
          "max": 825,
          "conditions": "RT = 75 kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum input clock pulse duration",
          "symbol": "tCLK-min",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 14,
          "max": 60,
          "conditions": "PLL = 500 kHz",
          "source_page": 5,
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        },
        {
          "name": "RT/CLK high threshold",
          "symbol": "vCLK-H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.78,
          "max": 2,
          "conditions": "",
          "source_page": 6,
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        },
        {
          "name": "RT/CLK low threshold",
          "symbol": "ƒCLK",
          "kind": "electrical",
          "unit": "V",
          "min": 0.4,
          "typ": null,
          "max": 1.35,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "PLL frequency sync range",
          "symbol": "ƒCLK",
          "kind": "electrical",
          "unit": "kHz",
          "min": 300,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "PLL lock in time",
          "symbol": "tPLLIN",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": 100,
          "max": 250,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Last RT/CLK falling edge to resistor timing mode return",
          "symbol": "tPLLEXIT",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": 140,
          "max": 250,
          "conditions": "if CLK is not present",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "PGOOD low threshold",
          "symbol": "PGDL",
          "kind": "electrical",
          "unit": "%",
          "min": 86,
          "typ": 90,
          "max": 93,
          "conditions": "VFB with respect to feedback voltage reference, VFB falling",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PGOOD high threshold",
          "symbol": "PGDH",
          "kind": "electrical",
          "unit": "%",
          "min": 107,
          "typ": 110,
          "max": 114,
          "conditions": "VFB with respect to feedback voltage reference, VFB rising",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PGOOD sink current",
          "symbol": "PGDSC",
          "kind": "electrical",
          "unit": "mA",
          "min": 1.8,
          "typ": null,
          "max": 4,
          "conditions": "VPGOOD = 0.4 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Minimum VIN for valid PGOOD",
          "symbol": "VIN_PGD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 4.3,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "OVP threshold",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "%",
          "min": 104,
          "typ": 107,
          "max": 110,
          "conditions": "VFB with respect to feedback voltage reference, VFB rising",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PGOOD pin leakage current",
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