TPS65273VRHHR

{
  "slug": "tps65273vrhhr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, VQFN-36-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps65273vrhhr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps65273vrhhr.kicad_sym",
    "tps65273vrhhr.kicad_mod",
    "tps65273vrhhr.glb",
    "tps65273vrhhr.step",
    "tps65273vrhhr.lbr",
    "docs/hero.png",
    "docs/tps65273vrhhr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps65273vrhhr-hero.glb",
    "tps65273vrhhr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS65273VRHHR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-36-EP(6x6)",
    "pin_count": 37,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps65273v",
    "parts": {
      "symbol": "tps65273vrhhr.kicad_sym",
      "footprint": "tps65273vrhhr.kicad_mod",
      "model_3d": "tps65273vrhhr-hero.glb",
      "model_3d_plain": "tps65273vrhhr.glb",
      "model_3d_step": "tps65273vrhhr-etched.step",
      "model_3d_step_plain": "tps65273vrhhr.step",
      "lbr": "tps65273vrhhr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2072216",
      "digikey": "296-52048-2-ND",
      "mouser": "595-TPS65273VRHHR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:46:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-52048-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS65273VRHHR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PVIN2",
        "type": "power_in",
        "description": "Power input supplying the power switches of Buck 2, with an input operating range of 4.5 V to 18 V (absolute maximum 20 V)."
      },
      {
        "number": "2",
        "name": "PVIN2",
        "type": "power_in",
        "description": "Power input supplying the power switches of Buck 2, with an input operating range of 4.5 V to 18 V (absolute maximum 20 V)."
      },
      {
        "number": "3",
        "name": "ADDR",
        "type": "input",
        "description": "I2C address configuration pin; connect to low, high, or leave open to select the I2C slave address (absolute maximum 7 V)."
      },
      {
        "number": "4",
        "name": "MODE",
        "type": "input",
        "description": "Operation mode control: ground selects forced PWM without current sharing, open selects pulse-skipping mode at light load, and V7V selects forced PWM with two-buck current sharing (absolute maximum 7 V)."
      },
      {
        "number": "5",
        "name": "V7V",
        "type": "power_out",
        "description": "Internal LDO output powering the internal driver and control circuits, regulated to a typical 6.3 V and requiring at least 1 µF ceramic decoupling to power ground (absolute maximum 7 V)."
      },
      {
        "number": "6",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input for the internal LDO and controllers, with an operating range of 4.5 V to 18 V."
      },
      {
        "number": "7",
        "name": "PVIN1",
        "type": "power_in",
        "description": "Power input supplying the power switches of Buck 1, with an input operating range of 4.5 V to 18 V (absolute maximum 20 V)."
      },
      {
        "number": "8",
        "name": "PVIN1",
        "type": "power_in",
        "description": "Power input supplying the power switches of Buck 1, with an input operating range of 4.5 V to 18 V (absolute maximum 20 V)."
      },
      {
        "number": "9",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground of Buck 1; place the input capacitor ground return as close as possible to this pin."
      },
      {
        "number": "10",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground of Buck 1; place the input capacitor ground return as close as possible to this pin."
      },
      {
        "number": "11",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground of Buck 1; place the input capacitor ground return as close as possible to this pin."
      },
      {
        "number": "12",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C interface data pin (absolute maximum 7 V)."
      },
      {
        "number": "13",
        "name": "SCL",
        "type": "input",
        "description": "I2C interface clock pin (absolute maximum 7 V)."
      },
      {
        "number": "14",
        "name": "FB1",
        "type": "input",
        "description": "Feedback sense pin for the Buck 1 external resistor divider that pre-sets the output voltage before I2C VID is enabled, referenced to 0.6 V (absolute maximum 3 V)."
      },
      {
        "number": "15",
        "name": "VOUT1",
        "type": "input",
        "description": "Buck 1 output voltage sense pin; with I2C VID enabled the output is programmable from 0.68 V to 1.95 V in 10-mV steps (absolute maximum 7 V)."
      },
      {
        "number": "16",
        "name": "BST1",
        "type": "passive",
        "description": "Bootstrap capacitor connection between BST1 and LX1 that supplies the high-side MOSFET gate drive (absolute maximum 7 V referenced to LX1)."
      },
      {
        "number": "17",
        "name": "LX1",
        "type": "output",
        "description": "Buck 1 switching node; withstands -4.5 V to 20 V (transients under 20 ns)."
      },
      {
        "number": "18",
        "name": "LX1",
        "type": "output",
        "description": "Buck 1 switching node; withstands -4.5 V to 20 V (transients under 20 ns)."
      },
      {
        "number": "19",
        "name": "LX1",
        "type": "output",
        "description": "Buck 1 switching node; withstands -4.5 V to 20 V (transients under 20 ns)."
      },
      {
        "number": "20",
        "name": "SS1",
        "type": "passive",
        "description": "Soft-start and voltage tracking pin for Buck 1; an external capacitor sets the reference rise time and the pin can override the internal reference for tracking (absolute maximum 3 V)."
      },
      {
        "number": "21",
        "name": "COMP1",
        "type": "passive",
        "description": "Error amplifier output and loop compensation pin for Buck 1 (absolute maximum 3 V)."
      },
      {
        "number": "22",
        "name": "ROSC",
        "type": "input",
        "description": "Oscillator frequency pin; an external resistor sets the switching frequency (100 kΩ gives 340 to 460 kHz, 400 kHz typical), and an external clock can synchronize the oscillator (absolute maximum 7 V)."
      },
      {
        "number": "23",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground of the controllers; connect at one point to the (-) terminal of the V7V bypass capacitor together with power ground."
      },
      {
        "number": "24",
        "name": "COMP2",
        "type": "passive",
        "description": "Error amplifier output and loop compensation pin for Buck 2; connect to ground in current sharing application (absolute maximum 3 V)."
      },
      {
        "number": "25",
        "name": "SS2",
        "type": "passive",
        "description": "Soft-start and voltage tracking pin for Buck 2; connect to ground in current sharing application (absolute maximum 3 V)."
      },
      {
        "number": "26",
        "name": "LX2",
        "type": "output",
        "description": "Buck 2 switching node; withstands -4.5 V to 20 V (transients under 20 ns)."
      },
      {
        "number": "27",
        "name": "LX2",
        "type": "output",
        "description": "Buck 2 switching node; withstands -4.5 V to 20 V (transients under 20 ns)."
      },
      {
        "number": "28",
        "name": "LX2",
        "type": "output",
        "description": "Buck 2 switching node; withstands -4.5 V to 20 V (transients under 20 ns)."
      },
      {
        "number": "29",
        "name": "BST2",
        "type": "passive",
        "description": "Bootstrap capacitor connection between BST2 and LX2 that supplies the Buck 2 high-side MOSFET gate drive (absolute maximum 7 V referenced to LX2)."
      },
      {
        "number": "30",
        "name": "VOUT2",
        "type": "input",
        "description": "Buck 2 output voltage sense pin; with I2C VID enabled the output is programmable from 0.68 V to 1.95 V in 10-mV steps, and it connects to ground in current sharing application (absolute maximum 7 V)."
      },
      {
        "number": "31",
        "name": "FB2",
        "type": "input",
        "description": "Feedback sense pin for the Buck 2 external resistor divider that pre-sets the output voltage before I2C VID is enabled, referenced to 0.6 V (absolute maximum 3 V)."
      },
      {
        "number": "32",
        "name": "EN1",
        "type": "input",
        "description": "Buck 1 enable pin; input under-voltage lockout is adjustable with two resistors and the pin may be left floating for automatic start (absolute maximum 7 V)."
      },
      {
        "number": "33",
        "name": "EN2",
        "type": "input",
        "description": "Buck 2 enable pin; input under-voltage lockout is adjustable with two resistors and the pin may be left floating for automatic start (absolute maximum 7 V)."
      },
      {
        "number": "34",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground of Buck 2; place the input capacitor ground return as close as possible to this pin."
      },
      {
        "number": "35",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground of Buck 2; place the input capacitor ground return as close as possible to this pin."
      },
      {
        "number": "36",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground of Buck 2; place the input capacitor ground return as close as possible to this pin."
      },
      {
        "number": "37",
        "name": "Exposed Thermal Pad",
        "type": "power_in",
        "description": "Exposed thermal pad, connected to power ground; solder to the board with as many vias as possible for heat dissipation, and no electrical signal is bonded to it inside the package."
      }
    ],
    "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: Terminal Functions table lists SS1 with QFN pins '20, 25', but SS2 is also listed at QFN pin 25. Pin; The exposed thermal pad is labelled '37' in the QFN column of the terminal table. The 36-pin package; Pin numbers were taken from the Terminal Functions table (QFN column), which is consistent with the "
        ],
        "pages_sent": 15,
        "cost_usd": 0.1019,
        "at": "2026-10-08T20:46:19"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps65273v",
        "pages": 49,
        "sha256": "e0172c0cd4d6d465",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 37,
        "described": 37,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps65273vrhhr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps65273vrhhr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b9eb3c89d78e7ae71b5ff65732e4f7883a4b5b4b1b6fb13446ee32cfc17ef41",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}