TPS65263RHBT

{
  "slug": "tps65263rhbt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps65263rhbt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "tps65263rhbt.kicad_mod",
    "tps65263rhbt.glb",
    "tps65263rhbt.step",
    "tps65263rhbt.lbr",
    "docs/hero.png",
    "docs/tps65263rhbt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps65263rhbt-hero.glb",
    "tps65263rhbt-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS65263RHBT",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps65263",
    "parts": {
      "symbol": "tps65263rhbt.kicad_sym",
      "footprint": "tps65263rhbt.kicad_mod",
      "model_3d": "tps65263rhbt-hero.glb",
      "model_3d_plain": "tps65263rhbt.glb",
      "model_3d_step": "tps65263rhbt-etched.step",
      "model_3d_step_plain": "tps65263rhbt.step",
      "lbr": "tps65263rhbt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2072235",
      "digikey": "296-38362-2-ND",
      "mouser": "595-TPS65263RHBT"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T16:05:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-38362-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS65263RHBT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN3",
        "type": "input",
        "description": "Enable for buck3; float to enable, and a resistor divider on this pin can set the buck3 input UVLO."
      },
      {
        "number": "2",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C interface data pin; absolute maximum is 7 V and recommended operating range is -0.1 V to 6.3 V."
      },
      {
        "number": "3",
        "name": "SCL",
        "type": "input",
        "description": "I2C interface clock pin; absolute maximum is 7 V and recommended operating range is -0.1 V to 6.3 V."
      },
      {
        "number": "4",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground shared by the buck controllers and analog circuits, routed separately from high-current power grounds to the (-) terminal of the VIN bypass capacitor."
      },
      {
        "number": "5",
        "name": "VOUT2",
        "type": "input",
        "description": "Buck2 output voltage sense pin; absolute maximum is 7 V."
      },
      {
        "number": "6",
        "name": "FB2",
        "type": "input",
        "description": "Kelvin feedback sense pin for buck2 that connects to the buck2 resistor divider; recommended range is -0.1 V to 3 V."
      },
      {
        "number": "7",
        "name": "COMP2",
        "type": "passive",
        "description": "Buck2 error amplifier output and loop compensation pin, compensated with a series resistor and capacitor in peak current PWM mode."
      },
      {
        "number": "8",
        "name": "SS2",
        "type": "passive",
        "description": "Buck2 soft-start and tracking input with an internal 5 µA pullup; soft-start time is set by a capacitor to ground."
      },
      {
        "number": "9",
        "name": "BST2",
        "type": "passive",
        "description": "Bootstrap supply for the buck2 high-side gate driver; a 47 nF capacitor (recommended) connects from BST2 to LX2."
      },
      {
        "number": "10",
        "name": "LX2",
        "type": "passive",
        "description": "Buck2 switching node to the inductor and bootstrap capacitor, swinging from a diode drop below ground up to the PVIN2 voltage."
      },
      {
        "number": "11",
        "name": "PGND2",
        "type": "power_in",
        "description": "Buck2 power ground, to be placed as close as practical to the (-) terminal of the PVIN2 input ceramic capacitor."
      },
      {
        "number": "12",
        "name": "PVIN2",
        "type": "power_in",
        "description": "Buck2 input power supply, placed close to the input ceramic capacitor (suggested 10 µF); recommended input range is 4.5 V to 18 V."
      },
      {
        "number": "13",
        "name": "PVIN3",
        "type": "power_in",
        "description": "Buck3 input power supply, placed close to the input ceramic capacitor (suggested 10 µF); recommended input range is 4.5 V to 18 V."
      },
      {
        "number": "14",
        "name": "PGND3",
        "type": "power_in",
        "description": "Buck3 power ground, to be placed as close as practical to the (-) terminal of the PVIN3 input ceramic capacitor."
      },
      {
        "number": "15",
        "name": "LX3",
        "type": "passive",
        "description": "Buck3 switching node to the inductor and bootstrap capacitor, swinging from a diode drop below ground up to the PVIN3 voltage."
      },
      {
        "number": "16",
        "name": "BST3",
        "type": "passive",
        "description": "Bootstrap supply for the buck3 high-side gate driver; a 47 nF capacitor (recommended) connects from BST3 to LX3."
      },
      {
        "number": "17",
        "name": "SS3",
        "type": "passive",
        "description": "Buck3 soft-start and tracking input with an internal 5 µA pullup; soft-start time is set by a capacitor to ground."
      },
      {
        "number": "18",
        "name": "COMP3",
        "type": "passive",
        "description": "Buck3 error amplifier output and loop compensation pin, compensated with a series resistor and capacitor in peak current PWM mode."
      },
      {
        "number": "19",
        "name": "FB3",
        "type": "input",
        "description": "Kelvin feedback sense pin for buck3 that connects to the buck3 resistor divider; recommended range is -0.1 V to 3 V."
      },
      {
        "number": "20",
        "name": "VOUT3",
        "type": "input",
        "description": "Buck3 output voltage sense pin; absolute maximum is 7 V."
      },
      {
        "number": "21",
        "name": "VOUT1",
        "type": "input",
        "description": "Buck1 output voltage sense pin; absolute maximum is 7 V."
      },
      {
        "number": "22",
        "name": "FB1",
        "type": "input",
        "description": "Kelvin feedback sense pin for buck1 that connects to the buck1 resistor divider; recommended range is -0.1 V to 3 V."
      },
      {
        "number": "23",
        "name": "COMP1",
        "type": "passive",
        "description": "Buck1 error amplifier output and loop compensation pin, compensated with a series resistor and capacitor in peak current PWM mode."
      },
      {
        "number": "24",
        "name": "SS1",
        "type": "passive",
        "description": "Buck1 soft-start and tracking input with an internal 5 µA pullup; soft-start time is set by a capacitor to ground."
      },
      {
        "number": "25",
        "name": "BST1",
        "type": "passive",
        "description": "Bootstrap supply for the buck1 high-side gate driver; a 47 nF capacitor (recommended) connects from BST1 to LX1."
      },
      {
        "number": "26",
        "name": "LX1",
        "type": "passive",
        "description": "Buck1 switching node to the inductor and bootstrap capacitor, swinging from a diode drop below ground up to the PVIN1 voltage."
      },
      {
        "number": "27",
        "name": "PGND1",
        "type": "power_in",
        "description": "Buck1 power ground, to be placed as close as practical to the (-) terminal of the PVIN1 input ceramic capacitor."
      },
      {
        "number": "28",
        "name": "PVIN1",
        "type": "power_in",
        "description": "Buck1 input power supply, placed close to the input ceramic capacitor (suggested 10 µF); recommended input range is 4.5 V to 18 V."
      },
      {
        "number": "29",
        "name": "VIN",
        "type": "power_in",
        "description": "Buck controller power supply; recommended input range is 4.5 V to 18 V."
      },
      {
        "number": "30",
        "name": "V7V",
        "type": "power_out",
        "description": "Internal LDO output for the gate driver and internal controller; connect a 10 µF capacitor from this pin to power ground."
      },
      {
        "number": "31",
        "name": "EN1",
        "type": "input",
        "description": "Enable for buck1; float to enable, and a resistor divider on this pin can adjust the buck1 input UVLO."
      },
      {
        "number": "32",
        "name": "EN2",
        "type": "input",
        "description": "Enable for buck2; float to enable, and a resistor divider on this pin can adjust the buck2 input UVLO."
      },
      {
        "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-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 lists SDA and SCL only as 'I' (input) with the description 'I2C interface data/clock p; Types for switching nodes, bootstrap, compensation and soft-start pins are assigned as passive from ; The exposed thermal pad has no printed pin number (shown as '—' in Table 6-1), so it is listed as 'P",
          "exposed pad 33 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0737,
        "at": "2026-10-10T16:04:57"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps65263",
        "pages": 48,
        "sha256": "68fb2fd65d5ab84d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps65263rhbt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}