TPS65276VRHHR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps65276vrhhr",
  "title": "TPS65276VRHHR",
  "brief": "Texas Instruments DC-DC Converters, VQFN-36-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power supply chip",
    "tps65276vrhhr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS65276VRHHR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-36-EP(6x6)",
    "pin_count": 37,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps65276v.pdf",
    "parts": {
      "symbol": "tps65276vrhhr.kicad_sym",
      "footprint": "tps65276vrhhr.kicad_mod",
      "model_3d": "tps65276vrhhr-hero.glb",
      "model_3d_plain": "tps65276vrhhr-etched.glb",
      "model_3d_step": "tps65276vrhhr-etched.step",
      "model_3d_step_plain": "tps65276vrhhr.step",
      "lbr": "tps65276vrhhr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2071628",
      "digikey": "296-40889-2-ND",
      "mouser": "595-TPS65276VRHHR"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:58:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-40889-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TPS65276VRHHR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PVIN2",
        "type": "power_in",
        "description": "Power input supplying the power switches of converter 2."
      },
      {
        "number": "2",
        "name": "PVIN2",
        "type": "power_in",
        "description": "Power input supplying the power switches of converter 2."
      },
      {
        "number": "3",
        "name": "ADDR",
        "type": "input",
        "description": "I2C address configuration pin; connect to low, high, or leave open to select the I2C slave address."
      },
      {
        "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 current sharing for paralleled bucks."
      },
      {
        "number": "5",
        "name": "V7V",
        "type": "power_out",
        "description": "Internal LDO output regulating to a typical 6.3 V, requiring a minimum 1-µF ceramic capacitor to power ground; the LDO current limit is 200 mA."
      },
      {
        "number": "6",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply of the internal LDO and controllers, operating from 4.5 V to 18 V."
      },
      {
        "number": "7",
        "name": "PVIN1",
        "type": "power_in",
        "description": "Power input supplying the power switches of converter 1."
      },
      {
        "number": "8",
        "name": "PVIN1",
        "type": "power_in",
        "description": "Power input supplying the power switches of converter 1."
      },
      {
        "number": "9",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground of Buck 1; place the input capacitor ground 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 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 as close as possible to this pin."
      },
      {
        "number": "12",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C interface data pin."
      },
      {
        "number": "13",
        "name": "SCL",
        "type": "input",
        "description": "I2C interface clock pin."
      },
      {
        "number": "14",
        "name": "FB1",
        "type": "input",
        "description": "Feedback sensing pin for the external feedback resistors of Buck 1, used to pre-set the output voltage before I2C VID selection is enabled."
      },
      {
        "number": "15",
        "name": "VOUT1",
        "type": "input",
        "description": "Buck 1 output voltage sensing pin; with I2C VID enabled the output is programmable from 0.68 V to 1.95 V in 10-mV steps."
      },
      {
        "number": "16",
        "name": "BST1",
        "type": "passive",
        "description": "Bootstrap capacitor connection between BST1 and LX1 that carries the gate drive voltage for the high-side MOSFET."
      },
      {
        "number": "17",
        "name": "LX1",
        "type": "output",
        "description": "Switching node of Buck 1."
      },
      {
        "number": "18",
        "name": "LX1",
        "type": "output",
        "description": "Switching node of Buck 1."
      },
      {
        "number": "19",
        "name": "LX1",
        "type": "output",
        "description": "Switching node of Buck 1."
      },
      {
        "number": "20",
        "name": "SS1",
        "type": "input",
        "description": "Soft-start and voltage tracking pin for Buck 1; an external capacitor sets the internal reference rise time."
      },
      {
        "number": "21",
        "name": "COMP1",
        "type": "passive",
        "description": "Error amplifier output and loop compensation pin for Buck 1."
      },
      {
        "number": "22",
        "name": "ROSC",
        "type": "passive",
        "description": "Oscillator frequency programming pin; an external resistor sets the switching frequency from 200 kHz to 1.6 MHz, and an external clock can synchronize it."
      },
      {
        "number": "23",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground of the controllers."
      },
      {
        "number": "24",
        "name": "COMP2",
        "type": "passive",
        "description": "Error amplifier output and loop compensation pin for Buck 2; connect to ground in current sharing applications."
      },
      {
        "number": "25",
        "name": "SS2",
        "type": "input",
        "description": "Soft-start and voltage tracking pin for Buck 2; an external capacitor sets the internal reference rise time."
      },
      {
        "number": "26",
        "name": "LX2",
        "type": "output",
        "description": "Switching node of Buck 2."
      },
      {
        "number": "27",
        "name": "LX2",
        "type": "output",
        "description": "Switching node of Buck 2."
      },
      {
        "number": "28",
        "name": "LX2",
        "type": "output",
        "description": "Switching node of Buck 2."
      },
      {
        "number": "29",
        "name": "BST2",
        "type": "passive",
        "description": "Bootstrap capacitor connection between BST2 and LX2 that carries the gate drive voltage for the high-side MOSFET of Buck 2."
      },
      {
        "number": "30",
        "name": "VOUT2",
        "type": "input",
        "description": "Buck 2 output voltage sensing pin; with I2C VID enabled the output is programmable from 0.68 V to 1.95 V in 10-mV steps."
      },
      {
        "number": "31",
        "name": "FB2",
        "type": "input",
        "description": "Feedback sensing pin for the external feedback resistors of Buck 2, used to pre-set the output voltage before I2C VID selection is enabled."
      },
      {
        "number": "32",
        "name": "EN1",
        "type": "input",
        "description": "Enable pin for Buck 1; the input under-voltage lockout is adjusted with two resistors."
      },
      {
        "number": "33",
        "name": "EN2",
        "type": "input",
        "description": "Enable pin for Buck 2; the input under-voltage lockout is adjusted with two resistors."
      },
      {
        "number": "34",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground of Buck 2; place the input capacitor ground 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 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 as close as possible to this pin."
      },
      {
        "number": "37",
        "name": "Exposed Thermal 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 QFN column for SS1 lists both pin 20 and pin 25, and SS2 also lists pin 25. Pin 20 is assigned t; The exposed thermal pad is listed as QFN pin 37, which is outside the 1..36 numbering and is omitted"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0351,
        "at": "2026-11-05T23:58:14"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps65276v.pdf",
        "pages": 46,
        "sha256": "6a12a26f9c6dc9f3",
        "source_tier": "mfr"
      },
      "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"
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps65276vrhhr-etched.step",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-36-EP(6x6)",
      "Category": "Power Supply Chip",
      "Pins": "37"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6a12a26f9c6dc9f3d047d9778f604262cd367f379ed6efe5e92dcbf0e8fd2407",
      "rows": [
        {
          "name": "Input operating voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Voltage range at VIN, PVIN1, PVIN2",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Voltage range at LX1, LX2 (transient < 20 ns)",
          "symbol": "LX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -4.5,
          "typ": null,
          "max": 20,
          "conditions": "maximum withstand voltage transient < 20 ns",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Voltage at BST1, BST2 referenced to LX1, LX2",
          "symbol": "BST",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "referenced to LX1, LX2 pin",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Voltage at V7V, EN1, EN2, VOUT1, VOUT2, MODE",
          "symbol": "V7V, EN1, EN2, VOUT1, VOUT2, MODE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
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        },
        {
          "name": "Voltage at SS1, SS2, FB1, FB2, COMP1, COMP2",
          "symbol": "SS, FB, COMP",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Voltage at SDA, SCL, ADDR, EN1, EN2, ROSC",
          "symbol": "SDA, SCL, ADDR, EN, ROSC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Voltage at AGND, PGND1, PGND2",
          "symbol": "AGND, PGND",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating virtual junction temperature range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 18,
          "conditions": "VIN1 and VIN2",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Shutdown supply current",
          "symbol": "IDDSDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "EN1 = EN2 = low",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "UVLO VIN under voltage lockout rising",
          "symbol": "UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.25,
          "typ": null,
          "max": 4.5,
          "conditions": "Rising VIN",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "UVLO VIN under voltage lockout falling",
          "symbol": "UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": 3.75,
          "conditions": "Falling VIN",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "V7V LDO output",
          "symbol": "V7V",
          "kind": "electrical",
          "unit": "V",
          "min": 6.1,
          "typ": 6.3,
          "max": 6.5,
          "conditions": "V7V load current = 0 A, VIN = 12 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Enable threshold rising",
          "symbol": "VENR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.21,
          "typ": null,
          "max": 1.26,
          "conditions": "",
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        },
        {
          "name": "Enable threshold falling",
          "symbol": "VENF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": null,
          "max": 1.17,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency range",
          "symbol": "FSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 200,
          "typ": null,
          "max": 1600,
          "conditions": "",
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        },
        {
          "name": "Switching frequency",
          "symbol": "FSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 340,
          "typ": 400,
          "max": 460,
          "conditions": "ROSC = 100 kΩ (1%)",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Clock sync minimum pulse width",
          "symbol": "TSYNC_w",
          "kind": "timing",
          "unit": "ns",
          "min": 20,
          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "Clock sync high threshold",
          "symbol": "VSYNC_HI",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
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        },
        {
          "name": "Clock sync low threshold",
          "symbol": "VSYNC_LO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Clock sync frequency range",
          "symbol": "FSYNC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 200,
          "typ": null,
          "max": 1600,
          "conditions": "",
          "source_page": 9,
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        },
        {
          "name": "Voltage reference",
          "symbol": "Vref",
          "kind": "electrical",
          "unit": "V",
          "min": 0.594,
          "typ": 0.6,
          "max": 0.606,
          "conditions": "0 A < IOUT1 < 6 A, 0 A < IOUT2 < 3.5 A",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Output voltage step size",
          "symbol": "VOUT1,2",
          "kind": "electrical",
          "unit": "mV",
          "min": 8,
          "typ": 10,
          "max": 12,
          "conditions": "VID 0x00 – 0x7F",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "SDA, SCL input high voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "SDA, SCL input low voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "SDA, SCL input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "SDA, SCL, VI = 0.4 V to 4.5 V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "SDA output low voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "SDA open drain, IOL = 4 mA",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Maximum SCL clock frequency",
          "symbol": "f(SCL)",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Bus free time between a STOP and START condition",
          "symbol": "tBUF",
          "kind": "timing",
          "unit": "µs",
          "min": 1.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Hold time (Repeated) START condition",
          "symbol": "tHD_STA",
          "kind": "timing",
          "unit": "µs",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Setup time for STOP condition",
          "symbol": "tSU_STO",
          "kind": "timing",
          "unit": "µs",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "LOW period of the SCL clock",
          "symbol": "tLOW",
          "kind": "timing",
          "unit": "µs",
          "min": 1.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "HIGH period of the SCL clock",
          "symbol": "tHIGH",
          "kind": "timing",
          "unit": "µs",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
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