TPS65268QRHBRQ1

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps65268qrhbrq1",
  "title": "TPS65268QRHBRQ1",
  "brief": "Texas Instruments DC-DC Converters, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power supply chip",
    "tps65268qrhbrq1",
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  "component": {
    "mpn": "TPS65268QRHBRQ1",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps65268-q1",
    "parts": {
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      "lbr": "tps65268qrhbrq1.lbr"
    },
    "distributor_links": {
      "lcsc": 2071437,
      "digikey": "296-52047-2-ND",
      "mouser": "595-TPS65268QRHBRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T19:28:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-52047-2-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "595-TPS65268QRHBRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN3",
        "type": "input",
        "description": "Enable for BUCK3; float to enable or use resistor divider to adjust UVLO input voltage."
      },
      {
        "number": "2",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground common to buck controllers and analog circuits; route separately from power grounds."
      },
      {
        "number": "3",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground common to buck controllers and analog circuits."
      },
      {
        "number": "4",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground common to buck controllers and analog circuits."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground common to buck controllers and analog circuits."
      },
      {
        "number": "6",
        "name": "FB2",
        "type": "input",
        "description": "Feedback Kelvin sensing pin for BUCK2 output voltage."
      },
      {
        "number": "7",
        "name": "COMP2",
        "type": "output",
        "description": "Error amplifier output and compensation pin for BUCK2 PWM loop."
      },
      {
        "number": "8",
        "name": "SS2",
        "type": "output",
        "description": "Soft-start and tracking input for BUCK2 with 5.2-µA pullup current source."
      },
      {
        "number": "9",
        "name": "BST2",
        "type": "output",
        "description": "Boot-strapped supply for BUCK2 high-side gate driver."
      },
      {
        "number": "10",
        "name": "LX2",
        "type": "output",
        "description": "Switching node connection to inductor and bootstrap capacitor for BUCK2."
      },
      {
        "number": "11",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground connection for BUCK2."
      },
      {
        "number": "12",
        "name": "PVIN2",
        "type": "power_in",
        "description": "Input power supply for BUCK2."
      },
      {
        "number": "13",
        "name": "PVIN3",
        "type": "power_in",
        "description": "Input power supply for BUCK3."
      },
      {
        "number": "14",
        "name": "PGND3",
        "type": "power_in",
        "description": "Power ground connection for BUCK3."
      },
      {
        "number": "15",
        "name": "LX3",
        "type": "output",
        "description": "Switching node connection to inductor and bootstrap capacitor for BUCK3."
      },
      {
        "number": "16",
        "name": "BST3",
        "type": "output",
        "description": "Boot-strapped supply for BUCK3 high-side gate driver."
      },
      {
        "number": "17",
        "name": "SS3",
        "type": "output",
        "description": "Soft-start and tracking input for BUCK3 with 5.2-µA pullup current source."
      },
      {
        "number": "18",
        "name": "COMP3",
        "type": "output",
        "description": "Error amplifier output and compensation pin for BUCK3 PWM mode."
      },
      {
        "number": "19",
        "name": "FB3",
        "type": "input",
        "description": "Feedback Kelvin sensing pin for BUCK3 output voltage."
      },
      {
        "number": "20",
        "name": "PGOOD",
        "type": "output",
        "description": "Output voltage supervision pin asserted high when all buck converters are in regulation."
      },
      {
        "number": "21",
        "name": "ROSC",
        "type": "output",
        "description": "Clock frequency adjustment pin connected to external clock or ground resistor."
      },
      {
        "number": "22",
        "name": "FB1",
        "type": "input",
        "description": "Feedback Kelvin sensing pin for BUCK1 output voltage."
      },
      {
        "number": "23",
        "name": "COMP1",
        "type": "output",
        "description": "Error amplifier output and compensation pin for BUCK1 peak current PWM mode."
      },
      {
        "number": "24",
        "name": "SS1",
        "type": "output",
        "description": "Soft-start and tracking input for BUCK1 with 5.2-µA pullup current source."
      },
      {
        "number": "25",
        "name": "BST1",
        "type": "output",
        "description": "Boot-strapped supply for BUCK1 high-side gate driver."
      },
      {
        "number": "26",
        "name": "LX1",
        "type": "output",
        "description": "Switching node connection to inductor and bootstrap capacitor for BUCK1."
      },
      {
        "number": "27",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground connection for BUCK1."
      },
      {
        "number": "28",
        "name": "PVIN1",
        "type": "power_in",
        "description": "Input power supply for BUCK1."
      },
      {
        "number": "29",
        "name": "VIN",
        "type": "power_in",
        "description": "Buck controller power supply."
      },
      {
        "number": "30",
        "name": "V7V",
        "type": "output",
        "description": "Internal LDO regulator output for gate driver and internal controller."
      },
      {
        "number": "31",
        "name": "EN1",
        "type": "input",
        "description": "Enable for BUCK1; float to enable or use resistor divider to adjust UVLO input voltage."
      },
      {
        "number": "32",
        "name": "EN2",
        "type": "input",
        "description": "Enable for BUCK2; float to enable or use resistor divider to adjust UVLO input voltage."
      },
      {
        "number": "33",
        "name": "PAD",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.132,
        "at": "2026-10-05T19:28:39"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps65268-q1",
        "pages": 44,
        "sha256": "c76c84aa847507dc",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-32-EP(5x5)",
      "Category": "Power Supply Chip",
      "Pins": "33"
    }
  },
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  "discovery_pitch": "TPS65268QRHBRQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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