TPS53632GRSMT

{
  "slug": "tps53632grsmt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, VQFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps53632grsmt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps53632grsmt.kicad_sym",
    "tps53632grsmt.kicad_mod",
    "tps53632grsmt.glb",
    "tps53632grsmt.step",
    "tps53632grsmt.lbr",
    "docs/hero.png",
    "docs/tps53632grsmt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps53632grsmt-hero.glb",
    "tps53632grsmt-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS53632GRSMT",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32-EP(4x4)",
    "pin_count": 33,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps53632g",
    "parts": {
      "symbol": "tps53632grsmt.kicad_sym",
      "footprint": "tps53632grsmt.kicad_mod",
      "model_3d": "tps53632grsmt-hero.glb",
      "model_3d_plain": "tps53632grsmt.glb",
      "model_3d_step": "tps53632grsmt-etched.step",
      "model_3d_step_plain": "tps53632grsmt.step",
      "lbr": "tps53632grsmt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2868802",
      "digikey": "296-44541-2-ND",
      "mouser": "595-TPS53632GRSMT"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T11:20:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-44541-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS53632GRSMT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial digital I/O line of the I2C interface; absolute maximum range is -0.3 V to 3.6 V."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3-V digital power input, recommended 3.1 V to 3.5 V, bypassed to GND with at least 1 µF."
      },
      {
        "number": "3",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power-good output, recommended range -0.1 V to 3.5 V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "5",
        "name": "PWM-LO",
        "type": "output",
        "description": "PWM control for the external low-side driver at 5-V logic level; the controller forces the tri-state level when needed, with recommended range -0.1 V to 5.5 V."
      },
      {
        "number": "6",
        "name": "PWM-HI",
        "type": "output",
        "description": "PWM control for the external high-side driver at 5-V logic level; the controller forces the tri-state level when needed, with recommended range -0.1 V to 5.5 V."
      },
      {
        "number": "7",
        "name": "SKIP",
        "type": "output",
        "description": "When high the driver enters FCCM mode, otherwise DCM mode; driving the tri-state level puts the drivers into low-power sleep, with recommended range -0.1 V to 5.5 V."
      },
      {
        "number": "8",
        "name": "EN",
        "type": "input",
        "description": "Enable input with 100-ns de-bounce; when low the regulator enters low-power mode but retains start-up settings, with recommended range -0.1 V to 5.5 V."
      },
      {
        "number": "9",
        "name": "PU",
        "type": "passive",
        "description": "Pull-up to VREF through a 10-kΩ resistor."
      },
      {
        "number": "10",
        "name": "FREQ-P",
        "type": "input",
        "description": "A resistor to GND sets the per-phase switching frequency, and a resistor to VREF disables dynamic phase add and drop; recommended range -0.1 V to 5.5 V."
      },
      {
        "number": "11",
        "name": "RAMP",
        "type": "input",
        "description": "Voltage divider to VREF; a resistor to GND sets the ramp setting voltage and can override the factory ramp setting, with recommended range -0.1 V to 3.5 V."
      },
      {
        "number": "12",
        "name": "OCP-I",
        "type": "bidirectional",
        "description": "Voltage divider to IMON whose ratio sets the IMON gain; a resistor to GND (ROCP) selects one of 8 OCP levels per phase, latched at start-up."
      },
      {
        "number": "13",
        "name": "IMON",
        "type": "output",
        "description": "Analog current monitor output following VIMON = ΣVISENSE × (1 + RIMON/ROCP)."
      },
      {
        "number": "14",
        "name": "VINTF",
        "type": "power_in",
        "description": "Input voltage to the interface logic, which must be between 1.62 V and 3.5 V."
      },
      {
        "number": "15",
        "name": "SLEWA",
        "type": "input",
        "description": "Voltage sets the 3 LSBs of the I2C address and resistance to GND selects one of 8 slew rates, both latched at start-up; recommended range -0.1 V to 5.5 V."
      },
      {
        "number": "16",
        "name": "VBUS",
        "type": "power_in",
        "description": "Provides input voltage information to the on-time circuits of both converters; must not exceed 28 V."
      },
      {
        "number": "17",
        "name": "CSP1",
        "type": "input",
        "description": "Positive current sense input connected to the most positive node of the sense resistor or inductor DCR network; tie CSP2 or CSP1 to a 3.3-V supply to disable the CSP2 phase."
      },
      {
        "number": "18",
        "name": "CSN1",
        "type": "input",
        "description": "Negative current sense input connected to the most negative node of the sense network; it has a secondary OVP comparator and includes the soft-stop function."
      },
      {
        "number": "19",
        "name": "CSN2",
        "type": "input",
        "description": "Negative current sense input for phase 2, connected to the most negative node of the sense network; it includes the soft-stop pull-down transistor."
      },
      {
        "number": "20",
        "name": "CSP2",
        "type": "input",
        "description": "Positive current sense input for phase 2; tie CSP2 or CSP1 (in that order) to a 3.3-V supply to disable the CSP2 phase."
      },
      {
        "number": "21",
        "name": "PU3",
        "type": "power_in",
        "description": "Connect to the 3.3-V supply."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "23",
        "name": "GFB",
        "type": "input",
        "description": "Voltage sense return; tie to GND on the PCB through a 10-Ω resistor when the microprocessor is not populated, with absolute range -0.2 V to 0.2 V."
      },
      {
        "number": "24",
        "name": "VFB",
        "type": "input",
        "description": "Voltage sense line tied directly to the processor VOUT sense point, with more than 1 MΩ between VFB and GFB and absolute range -0.3 V to 3.6 V."
      },
      {
        "number": "25",
        "name": "DROOP",
        "type": "output",
        "description": "Error amplifier output; the resistor pair to VREF and to COMP sets the droop gain, ADROOP = 1 + RDROOP / RCOMP."
      },
      {
        "number": "26",
        "name": "COMP",
        "type": "input",
        "description": "Error amplifier summing node; RCOMP between VREF and COMP and RDROOP between COMP and DROOP set the droop gain."
      },
      {
        "number": "27",
        "name": "VREF",
        "type": "power_out",
        "description": "1.7-V, 500-µA reference, bypassed to GND with a 0.22-µF ceramic capacitor."
      },
      {
        "number": "28",
        "name": "V5A",
        "type": "power_in",
        "description": "5-V analog power input, recommended 4.5 V to 5.5 V, connected through a resistor to the 5-V plane and bypassed to GND with at least 1 µF ceramic."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Analog circuit reference; tie to a quiet point on the ground plane."
      },
      {
        "number": "30",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "31",
        "name": "SCL",
        "type": "input",
        "description": "Serial digital clock line of the I2C interface; absolute range -0.3 V to 3.6 V."
      },
      {
        "number": "32",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "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 exposed thermal pad (PAD, listed as GND, tie to the ground plane with multiple vias) has no prin; The datasheet's pin table gives PU as type I, but its function is a pull-up to VREF through 10 kΩ; I; The soft-stop/pull-down sentence in the pin table is ambiguous: it reads 'CSN1 has a secondary OVP c",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0802,
        "at": "2026-10-11T11:20:15"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps53632g",
        "pages": 42,
        "sha256": "2763a5aa2352d309",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps53632grsmt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps53632grsmt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "78cd5aed521428141faea4b8ad36b435a41e293d9eeffca9f9e875ea9803706a",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}