TPS53667RTAT

{
  "slug": "tps53667rtat",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, WQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps53667rtat",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps53667rtat.kicad_sym",
    "tps53667rtat.kicad_mod",
    "tps53667rtat.glb",
    "tps53667rtat.step",
    "tps53667rtat.lbr",
    "docs/hero.png",
    "docs/tps53667rtat-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps53667rtat-hero.glb",
    "tps53667rtat-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS53667RTAT",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-40-EP(6x6)",
    "pin_count": 41,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps53667",
    "parts": {
      "symbol": "tps53667rtat.kicad_sym",
      "footprint": "tps53667rtat.kicad_mod",
      "model_3d": "tps53667rtat-hero.glb",
      "model_3d_plain": "tps53667rtat.glb",
      "model_3d_step": "tps53667rtat-etched.step",
      "model_3d_step_plain": "tps53667rtat.step",
      "lbr": "tps53667rtat.lbr"
    },
    "distributor_links": {
      "lcsc": "C2650260",
      "digikey": "296-44940-2-ND",
      "mouser": "595-TPS53667RTAT"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T23:55:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-44940-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS53667RTAT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OCL-R",
        "type": "input",
        "description": "A resistor to GND and the voltage on this pin select one of 16 per-phase OCL levels and one of four RAMP levels, latched when V3R3 powers up."
      },
      {
        "number": "2",
        "name": "IMON",
        "type": "output",
        "description": "Analog current monitor output; the digitized IMON value is compared against OC_FAULT_LIMIT (1.25× IMAX by default) for overcurrent protection."
      },
      {
        "number": "3",
        "name": "CSP1",
        "type": "input",
        "description": "Positive current-sense input to be connected to the IOUT pin of a TI smart power stage (e.g. CSD9549x), with recommended range −0.1 V to 2.5 V."
      },
      {
        "number": "4",
        "name": "CSP2",
        "type": "input",
        "description": "Positive current-sense input to be connected to the IOUT pin of a TI smart power stage; tie to V3R3 to disable this phase, with recommended range −0.1 V to 2.5 V."
      },
      {
        "number": "5",
        "name": "CSP3",
        "type": "input",
        "description": "Positive current-sense input to be connected to the IOUT pin of a TI smart power stage; tie to V3R3 to disable this phase, with recommended range −0.1 V to 2.5 V."
      },
      {
        "number": "6",
        "name": "CSP4",
        "type": "input",
        "description": "Positive current-sense input to be connected to the IOUT pin of a TI smart power stage; tie to V3R3 to disable this phase, with recommended range −0.1 V to 2.5 V."
      },
      {
        "number": "7",
        "name": "CSP5",
        "type": "input",
        "description": "Positive current-sense input to be connected to the IOUT pin of a TI smart power stage; tie to V3R3 to disable this phase, with recommended range −0.1 V to 2.5 V."
      },
      {
        "number": "8",
        "name": "CSP6",
        "type": "input",
        "description": "Positive current-sense input to be connected to the IOUT pin of a TI smart power stage; tie to V3R3 to disable this phase, with recommended range −0.1 V to 2.5 V."
      },
      {
        "number": "9",
        "name": "VSP",
        "type": "input",
        "description": "Positive input of the remote voltage-sense amplifier, connected directly to the load, with recommended range −0.1 V to 2.5 V."
      },
      {
        "number": "10",
        "name": "VSN",
        "type": "input",
        "description": "Negative input of the remote voltage-sense amplifier, connected directly to the load ground, with recommended range −0.1 V to 0.1 V."
      },
      {
        "number": "11",
        "name": "COMP",
        "type": "output",
        "description": "Output of the gM error amplifier; resistors and capacitors between this pin and VREF set the compensation, with recommended maximum of 5.5 V."
      },
      {
        "number": "12",
        "name": "ISUM",
        "type": "output",
        "description": "A resistor from this pin to VREF sets the droop (per the datasheet relation with the number of phases n), with recommended maximum of 3.5 V."
      },
      {
        "number": "13",
        "name": "VREF",
        "type": "power_out",
        "description": "1.7-V, 500-µA LDO reference output; bypass to GND with a 0.33-µF ceramic capacitor."
      },
      {
        "number": "14",
        "name": "V3R3",
        "type": "power_out",
        "description": "3.3-V LDO output; bypass to GND with a ceramic capacitor of 1 µF or larger, with recommended range −0.1 V to 3.5 V."
      },
      {
        "number": "15",
        "name": "V5",
        "type": "power_in",
        "description": "5-V power input for all internal analog circuits, with recommended range 4.5 V to 5.5 V; bypass to GND with a ceramic capacitor of 1 µF or larger."
      },
      {
        "number": "16",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supply, also sensed for on-time control and input UVLO, with recommended range 4.5 V to 17 V (12 V nominal)."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the controller."
      },
      {
        "number": "18",
        "name": "VR_RDY",
        "type": "output",
        "description": "Open-drain power-good output, typically pulled up to V3R3 through a resistor of 3 kΩ or larger."
      },
      {
        "number": "19",
        "name": "VR_HOT",
        "type": "output",
        "description": "Open-drain, active-low thermal flag output, typically pulled up to V3R3 through a resistor of 3 kΩ or larger; leave floating if not used."
      },
      {
        "number": "20",
        "name": "GND",
        "type": "power_in",
        "description": "Connect to GND; the datasheet notes this is not the IC ground pin."
      },
      {
        "number": "21",
        "name": "RESET",
        "type": "input",
        "description": "Reset input; if held low for more than 1000 ns the controller pulls the output voltage to the VBOOT level, with recommended range −0.1 V to 3.5 V."
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Connect to GND; the datasheet notes this is not the IC ground pin."
      },
      {
        "number": "23",
        "name": "ENABLE",
        "type": "input",
        "description": "VR enable input with 1-V I/O level and 100-ns debounce, with recommended range −0.1 V to 3.5 V."
      },
      {
        "number": "24",
        "name": "PMB_CLK",
        "type": "input",
        "description": "I²C PMBus clock input supporting 3.3-V and 1.8-V logic levels, with recommended range −0.1 V to 3.5 V."
      },
      {
        "number": "25",
        "name": "PMB_ALERT",
        "type": "output",
        "description": "Open-drain I²C PMBus interrupt line supporting 3.3-V and 1.8-V logic levels."
      },
      {
        "number": "26",
        "name": "PMB_DIO",
        "type": "bidirectional",
        "description": "I²C PMBus digital data I/O line supporting 3.3-V and 1.8-V logic levels, with recommended range −0.1 V to 3.5 V."
      },
      {
        "number": "27",
        "name": "VR_FAULT",
        "type": "output",
        "description": "Open-drain VR fault indicator that goes low on high-side FET short, over-temperature, output overvoltage, or input overcurrent; typically pulled up to V3R3 through 3 kΩ or larger, and left floating if unused."
      },
      {
        "number": "28",
        "name": "ADDR-TRISE",
        "type": "input",
        "description": "Resistor-divider strap to VREF that sets the rise slew rate (bits 2-1), the LSB of the boot voltage (bit 0), and the 4-bit PMBus address, latched at V3R3 power-up."
      },
      {
        "number": "29",
        "name": "SLEW-MODE",
        "type": "input",
        "description": "Resistor-divider strap to VREF that sets one of 8 slew rates and the 4-bit operating mode, latched at V3R3 power-up."
      },
      {
        "number": "30",
        "name": "O-USR",
        "type": "input",
        "description": "Resistor-divider strap to VREF that selects one of seven OSR thresholds or OFF and sets one of seven USR levels or OFF, latched at V3R3 power-up."
      },
      {
        "number": "31",
        "name": "VBOOT",
        "type": "input",
        "description": "Resistor-divider strap to VREF that sets the 7 high bits of the 8-bit VID boot voltage (0.5 V to 2.5 V range), latched at V3R3 power-up."
      },
      {
        "number": "32",
        "name": "F-IMAX",
        "type": "input",
        "description": "Resistor to VREF sets the switching frequency from 300 kHz to 1 MHz, and the voltage sets IMAX via an 8-bit A/D (VF-IMAX = VVREF × IMAX / 255), latched at V3R3 power-up."
      },
      {
        "number": "33",
        "name": "PWM6",
        "type": "output",
        "description": "PWM signal for phase 6 to the power stage, 3.3-V logic: high turns on the high-side MOSFET, low turns on the low-side MOSFET, and tri-state is 1.7 V when both are off."
      },
      {
        "number": "34",
        "name": "PWM5",
        "type": "output",
        "description": "PWM signal for phase 5 to the power stage, 3.3-V logic: high turns on the high-side MOSFET, low turns on the low-side MOSFET, and tri-state is 1.7 V when both are off."
      },
      {
        "number": "35",
        "name": "PWM4",
        "type": "output",
        "description": "PWM signal for phase 4 to the power stage, 3.3-V logic: high turns on the high-side MOSFET, low turns on the low-side MOSFET, and tri-state is 1.7 V when both are off."
      },
      {
        "number": "36",
        "name": "PWM3",
        "type": "output",
        "description": "PWM signal for phase 3 to the power stage, 3.3-V logic: high turns on the high-side MOSFET, low turns on the low-side MOSFET, and tri-state is 1.7 V when both are off."
      },
      {
        "number": "37",
        "name": "PWM2",
        "type": "output",
        "description": "PWM signal for phase 2 to the power stage, 3.3-V logic: high turns on the high-side MOSFET, low turns on the low-side MOSFET, and tri-state is 1.7 V when both are off."
      },
      {
        "number": "38",
        "name": "PWM1",
        "type": "output",
        "description": "PWM signal for phase 1 to the power stage, 3.3-V logic: high turns on the high-side MOSFET, low turns on the low-side MOSFET, and tri-state is 1.7 V when both are off."
      },
      {
        "number": "39",
        "name": "SKIP-NVM",
        "type": "output",
        "description": "A resistor to GND sets pinstrap or NVM configuration mode, can connect to the FCCM pin of the power stage, and is asserted low during soft-start; recommended maximum is 3.5 V."
      },
      {
        "number": "40",
        "name": "TSEN",
        "type": "input",
        "description": "Connect to the TAO/FAULT pin of the power stage to sense the hottest stage temperature and its fault signal; a voltage above 2.5 V is treated as a power-stage fault by default, with recommended range −0.1 V to 5.5 V."
      },
      {
        "number": "41",
        "name": "EP",
        "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 exposed thermal pad (labeled 'Thermal Pad', GND) has no printed number in the datasheet, so it i; The datasheet pin table lists pin 17, 20 and 22 as GND; pins 20 and 22 are noted as 'not IC ground p; SKIP-NVM (pin 39) is listed as 'O' in the datasheet but is also used as a configuration strap resist",
          "exposed pad 41 added from the footprint"
        ],
        "pages_sent": 15,
        "cost_usd": 0.1229,
        "at": "2026-10-07T23:55:34"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps53667",
        "pages": 126,
        "sha256": "994fd9ded6c778c5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 41,
        "described": 41,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps53667rtat.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps53667rtat-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b85e4f9190d5bc1aa4aade464337c55286b65fcf62aace6a8f1151bb5a1a6af6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}