TPS6508641RSKR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps6508641rskr",
  "title": "TPS6508641RSKR",
  "brief": "Texas Instruments Power Management Specialized - PMIC, VQFN-64-EP(8x8). 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",
    "tps6508641rskr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS6508641RSKR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-64-EP(8x8)",
    "pin_count": 65,
    "category": "Power Supply Chip",
    "subcategory": "Power Management Specialized - PMIC",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps6508641rskr.pdf",
    "parts": {
      "symbol": "tps6508641rskr.kicad_sym",
      "footprint": "tps6508641rskr.kicad_mod",
      "model_3d": "tps6508641rskr-hero.glb",
      "model_3d_plain": "tps6508641rskr-etched.glb",
      "model_3d_step": "tps6508641rskr-etched.step",
      "model_3d_step_plain": "tps6508641rskr.step",
      "lbr": "tps6508641rskr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2873345",
      "digikey": "296-TPS6508641RSKRTR-ND",
      "mouser": "595-TPS6508641RSKR"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:11:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS6508641RSKRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS6508641RSKR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FBGND2",
        "type": "input",
        "description": "Remote negative feedback sense for the BUCK2 controller, connected to the negative terminal of the output capacitor, or to ground when not in use."
      },
      {
        "number": "2",
        "name": "FBVOUT2",
        "type": "input",
        "description": "Remote positive feedback sense for the BUCK2 controller, connected to the positive terminal of the output capacitor, or to ground when not in use."
      },
      {
        "number": "3",
        "name": "DRVH2",
        "type": "output",
        "description": "High-side gate driver output for the BUCK2 controller; leave floating when not in use."
      },
      {
        "number": "4",
        "name": "SW2",
        "type": "input",
        "description": "Switch node connection for the BUCK2 controller; connect to ground when not in use."
      },
      {
        "number": "5",
        "name": "BOOT2",
        "type": "input",
        "description": "Bootstrap pin for the BUCK2 controller, with a 100-nF ceramic capacitor to SW2; leave floating when not in use."
      },
      {
        "number": "6",
        "name": "PGNDSNS2",
        "type": "input",
        "description": "Power GND connection for BUCK2 to the ground terminal of the external low-side FET; connect to ground when not in use."
      },
      {
        "number": "7",
        "name": "DRVL2",
        "type": "output",
        "description": "Low-side gate driver output for the BUCK2 controller; leave floating when not in use."
      },
      {
        "number": "8",
        "name": "DRV5V_2_A1",
        "type": "power_in",
        "description": "5-V supply to the BUCK2 gate driver and LDOA1, bypassed with a 2.2-µF (typical) ceramic capacitor and typically shorted on board to LDO5P0."
      },
      {
        "number": "9",
        "name": "LDOA1",
        "type": "power_out",
        "description": "LDOA1 output, bypassed with a 4.7-µF (typical) ceramic capacitor; leave floating when not in use."
      },
      {
        "number": "10",
        "name": "LX3",
        "type": "output",
        "description": "Switch node connection for the BUCK3 converter; leave floating when not in use."
      },
      {
        "number": "11",
        "name": "PVIN3",
        "type": "power_in",
        "description": "Power input to the BUCK3 converter, bypassed with a 10-µF (typical) ceramic capacitor."
      },
      {
        "number": "12",
        "name": "FB3",
        "type": "input",
        "description": "Remote feedback sense for the BUCK3 converter at the positive terminal of the output capacitor; connect to ground when not in use."
      },
      {
        "number": "13",
        "name": "CTL1",
        "type": "input",
        "description": "Active-high VR enable pin; a group of VRs can be assigned to be enabled at assertion or disabled at deassertion."
      },
      {
        "number": "14",
        "name": "CTL6/SLPENB2",
        "type": "input",
        "description": "Active-high VR enable pin, or when configured as active-low sleep enable, moves a chosen group of VRs into (L) or out of (H) sleep state."
      },
      {
        "number": "15",
        "name": "IRQB",
        "type": "output",
        "description": "Open-drain interrupt output pin."
      },
      {
        "number": "16",
        "name": "GPO1",
        "type": "output",
        "description": "General purpose output configurable as open-drain or push-pull, reflecting Power Good of chosen VRs or controlled by an I2C register bit."
      },
      {
        "number": "17",
        "name": "SWB1",
        "type": "power_out",
        "description": "Output of load switch B1, bypassed with a 0.1-µF (typical) ceramic capacitor; leave floating when not in use."
      },
      {
        "number": "18",
        "name": "PVINSWB1_B2",
        "type": "power_in",
        "description": "Power supply to load switches B1 and B2, bypassed with a 1-µF (typical) ceramic capacitor; connect to ground when not in use."
      },
      {
        "number": "19",
        "name": "SWB2",
        "type": "power_out",
        "description": "Output of load switch B2, bypassed with a 0.1-µF (typical) ceramic capacitor; leave floating when not in use."
      },
      {
        "number": "20",
        "name": "LX5",
        "type": "output",
        "description": "Switch node connection for the BUCK5 converter; leave floating when not in use."
      },
      {
        "number": "21",
        "name": "PVIN5",
        "type": "power_in",
        "description": "Power input to the BUCK5 converter, bypassed with a 10-µF (typical) ceramic capacitor."
      },
      {
        "number": "22",
        "name": "FB5",
        "type": "input",
        "description": "Remote feedback sense for the BUCK5 converter at the positive terminal of the output capacitor; connect to ground when not in use."
      },
      {
        "number": "23",
        "name": "FB4",
        "type": "input",
        "description": "Remote feedback sense for the BUCK4 converter at the positive terminal of the output capacitor; connect to ground when not in use."
      },
      {
        "number": "24",
        "name": "PVIN4",
        "type": "power_in",
        "description": "Power input to the BUCK4 converter, bypassed with a 10-µF (typical) ceramic capacitor."
      },
      {
        "number": "25",
        "name": "LX4",
        "type": "output",
        "description": "Switch node connection for the BUCK4 converter; leave floating when not in use."
      },
      {
        "number": "26",
        "name": "GPO2",
        "type": "output",
        "description": "General purpose output configurable as open-drain or push-pull, reflecting Power Good of chosen VRs or controlled by an I2C register bit."
      },
      {
        "number": "27",
        "name": "GPO3",
        "type": "output",
        "description": "General purpose output configurable as open-drain or push-pull, reflecting Power Good of chosen VRs or controlled by an I2C register bit."
      },
      {
        "number": "28",
        "name": "GPO4",
        "type": "output",
        "description": "Open-drain output configurable to reflect Power Good of chosen VRs or be controlled by an I2C register bit."
      },
      {
        "number": "29",
        "name": "FBVOUT1",
        "type": "input",
        "description": "Remote feedback sense for the BUCK1 controller at the positive terminal of the output capacitor; connect to ground when not in use."
      },
      {
        "number": "30",
        "name": "ILIM1",
        "type": "input",
        "description": "Current limit set pin for the BUCK1 controller, with a resistor to ground setting the low-side FET current limit; connect to ground when BUCK1 is not in use."
      },
      {
        "number": "31",
        "name": "SWA1",
        "type": "power_out",
        "description": "Output of load switch A1, bypassed with a 0.1-µF (typical) ceramic capacitor; leave floating when not in use."
      },
      {
        "number": "32",
        "name": "PVINSWA1",
        "type": "power_in",
        "description": "Power supply to load switch A1, bypassed with a 1-µF (typical) ceramic capacitor; connect to ground when not in use."
      },
      {
        "number": "33",
        "name": "DRVH1",
        "type": "output",
        "description": "High-side gate driver output for the BUCK1 controller; leave floating when not in use."
      },
      {
        "number": "34",
        "name": "SW1",
        "type": "input",
        "description": "Switch node connection for the BUCK1 controller; connect to ground when not in use."
      },
      {
        "number": "35",
        "name": "BOOT1",
        "type": "input",
        "description": "Bootstrap pin for the BUCK1 controller, with a 100-nF ceramic capacitor to SW1; leave floating when not in use."
      },
      {
        "number": "36",
        "name": "PGNDSNS1",
        "type": "input",
        "description": "Power GND connection for BUCK1 to the ground terminal of the external low-side FET; connect to ground when not in use."
      },
      {
        "number": "37",
        "name": "DRVL1",
        "type": "output",
        "description": "Low-side gate driver output for the BUCK1 controller; leave floating when not in use."
      },
      {
        "number": "38",
        "name": "DRV5V_1_6",
        "type": "power_in",
        "description": "5-V supply to the BUCK1 and BUCK6 gate drivers, bypassed with a 2.2-µF (typical) ceramic capacitor and typically shorted on board to LDO5P0."
      },
      {
        "number": "39",
        "name": "DRVL6",
        "type": "output",
        "description": "Low-side gate driver output for the BUCK6 controller; leave floating when not in use."
      },
      {
        "number": "40",
        "name": "PGNDSNS6",
        "type": "input",
        "description": "Power GND connection for BUCK6 to the ground terminal of the external low-side FET; connect to ground when not in use."
      },
      {
        "number": "41",
        "name": "BOOT6",
        "type": "input",
        "description": "Bootstrap pin for the BUCK6 controller, with a 100-nF ceramic capacitor to SW6; leave floating when not in use."
      },
      {
        "number": "42",
        "name": "SW6",
        "type": "input",
        "description": "Switch node connection for the BUCK6 controller; connect to ground when not in use."
      },
      {
        "number": "43",
        "name": "DRVH6",
        "type": "output",
        "description": "High-side gate driver output for the BUCK6 controller; leave floating when not in use."
      },
      {
        "number": "44",
        "name": "FBVOUT6",
        "type": "input",
        "description": "Remote feedback sense for the BUCK6 controller and reference voltage for VTT LDO regulation; connect to ground when not in use."
      },
      {
        "number": "45",
        "name": "ILIM6",
        "type": "input",
        "description": "Current limit set pin for the BUCK6 controller, with a resistor to ground setting the low-side FET current limit; connect to ground when BUCK6 is not in use."
      },
      {
        "number": "46",
        "name": "PVINVTT",
        "type": "power_in",
        "description": "Power supply to the VTT LDO, bypassed with a 10-µF (minimum) ceramic capacitor."
      },
      {
        "number": "47",
        "name": "VTT",
        "type": "power_out",
        "description": "Output of the VTT LDO, bypassed with 2× 22-µF (minimum) ceramic capacitors; leave floating when not in use."
      },
      {
        "number": "48",
        "name": "VTTFB",
        "type": "input",
        "description": "Remote feedback sense for the VTT LDO at the positive terminal of the output capacitor; connect to ground when not in use."
      },
      {
        "number": "49",
        "name": "LDOA3",
        "type": "power_out",
        "description": "Output of LDOA3, bypassed with a 4.7-µF (typical) ceramic capacitor; leave floating when not in use."
      },
      {
        "number": "50",
        "name": "PVINLDOA2_A3",
        "type": "power_in",
        "description": "Power supply to LDOA2 and LDOA3, bypassed with a 4.7-µF (typical) ceramic capacitor; connect to ground when not in use."
      },
      {
        "number": "51",
        "name": "LDOA2",
        "type": "power_out",
        "description": "Output of LDOA2, bypassed with a 4.7-µF (typical) ceramic capacitor; leave floating when not in use."
      },
      {
        "number": "52",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, not to be connected to the thermal pad ground on the top layer, and connected to the ground of the VREF capacitor."
      },
      {
        "number": "53",
        "name": "VREF",
        "type": "power_out",
        "description": "Band-gap reference output, stabilized with a 100-nF (typical) ceramic capacitor to quiet ground."
      },
      {
        "number": "54",
        "name": "LDO3P3",
        "type": "power_out",
        "description": "Output of the 3.3-V internal LDO, bypassed with a 4.7-µF (typical) ceramic capacitor."
      },
      {
        "number": "55",
        "name": "VSYS",
        "type": "power_in",
        "description": "System voltage detection and input to the internal 3.3-V and 5-V LDOs, bypassed with a 1-µF (typical) ceramic capacitor."
      },
      {
        "number": "56",
        "name": "LDO5P0",
        "type": "power_out",
        "description": "Output of the 5-V internal LDO or of an internal switch connecting this pin to V5ANA, bypassed with a 4.7-µF (typical) ceramic capacitor."
      },
      {
        "number": "57",
        "name": "V5ANA",
        "type": "power_in",
        "description": "Bias used by BUCK3, BUCK4 and BUCK5 for regulation, which must be the same supply as PVINx, with an internal switch to LDO5P0 when 5 V is used."
      },
      {
        "number": "58",
        "name": "CLK",
        "type": "input",
        "description": "I2C clock input."
      },
      {
        "number": "59",
        "name": "DATA",
        "type": "bidirectional",
        "description": "I2C data line."
      },
      {
        "number": "60",
        "name": "CTL2",
        "type": "input",
        "description": "Active-high VR enable pin; a group of VRs can be assigned to be enabled at assertion or disabled at deassertion."
      },
      {
        "number": "61",
        "name": "CTL3/SLPENB1",
        "type": "input",
        "description": "Active-high VR enable pin, or when configured as active-low sleep enable, moves a chosen group of VRs into (L) or out of (H) sleep state."
      },
      {
        "number": "62",
        "name": "CTL4",
        "type": "input",
        "description": "Active-high VR enable pin; a group of VRs can be assigned to be enabled at assertion or disabled at deassertion."
      },
      {
        "number": "63",
        "name": "CTL5",
        "type": "input",
        "description": "Active-high VR enable pin; a group of VRs can be assigned to be enabled at assertion or disabled at deassertion."
      },
      {
        "number": "64",
        "name": "ILIM2",
        "type": "input",
        "description": "Current limit set pin for the BUCK2 controller, with a resistor to ground setting the low-side FET current limit; connect to ground when BUCK2 is not in use."
      },
      {
        "number": "65",
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives the thermal pad no pin number; '65' is an assigned placeholder for the exposed p; Pin types were inferred from the I/O column and function. SW1, SW2 and SW6 are listed as inputs, tho; The ordering table lists TPS6508641RSKR as a 64-pin VQFN RSK, so this pinout applies. Pin names come"
        ],
        "pages_sent": 20,
        "cost_usd": 0.3034,
        "at": "2026-10-23T12:11:30"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps6508641rskr.pdf",
        "pages": 129,
        "sha256": "3beed246bb3805cb",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 65,
        "described": 65,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps6508641rskr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8,
          8,
          0.87
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "553641350988a3d949874ef3cbbe3efa6e239859177963f45ba4e900f4c74ccf",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps6508641rskr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8,
          8,
          0.87
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "47795cda695a9b61b6035beeefbe69a71898a5cff2855e69792c12d68b4c0279",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-64-EP(8x8)",
      "Category": "Power Supply Chip",
      "Pins": "65"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "3beed246bb3805cbe370f1e34dfe672fe5ef476df58553e176c8e26ac93b3c70",
      "rows": [
        {
          "name": "Input voltage from battery",
          "symbol": "VSYS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "V5ANA voltage",
          "symbol": "V5ANA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "HBM ESD",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1000,
          "typ": null,
          "max": 1000,
          "conditions": "Human Body Model, ANSI/ESDA/JEDEC JS001",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "CDM ESD",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -250,
          "typ": null,
          "max": 250,
          "conditions": "Charged Device Model, JESD22-C101",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "VSYS operating",
          "symbol": "VSYS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 5.6,
          "typ": 13,
          "max": 21,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": 27,
          "max": 85,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": 27,
          "max": 125,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 25.8,
          "max": null,
          "conditions": "RSK (VQFN) 64 pins",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 11.3,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 4.4,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (bottom) thermal resistance",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "VREF accuracy",
          "symbol": "VREF",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Band-gap reference, typ 1.25 V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Band-gap output capacitor",
          "symbol": "CVREF",
          "kind": "electrical",
          "unit": "µF",
          "min": 0.047,
          "typ": 0.1,
          "max": 0.22,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "VSYS UVLO threshold for LDO5",
          "symbol": "VSYS_UVLO_5V",
          "kind": "electrical",
          "unit": "V",
          "min": 5.24,
          "typ": 5.4,
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