TPS65994ADRSLR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps65994adrslr",
  "title": "TPS65994ADRSLR",
  "brief": "Texas Instruments Power Management Specialized - PMIC, VQFN-48-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",
    "tps65994adrslr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS65994ADRSLR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-48-EP(6x6)",
    "pin_count": 49,
    "category": "Power Supply Chip",
    "subcategory": "Power Management Specialized - PMIC",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps65994ad",
    "parts": {
      "symbol": "tps65994adrslr.kicad_sym",
      "footprint": "tps65994adrslr.kicad_mod",
      "model_3d": "tps65994adrslr-hero.glb",
      "model_3d_plain": "tps65994adrslr-etched.glb",
      "model_3d_step": "tps65994adrslr-etched.step",
      "model_3d_step_plain": "tps65994adrslr.step",
      "lbr": "tps65994adrslr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2864593"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:15:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I2C3m_SCL",
        "type": "output",
        "description": "I2C master serial clock, open-drain output; tie to pullup voltage through a resistor whether used or unused."
      },
      {
        "number": "2",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General purpose digital I/O that may be used as an ADC input; tie to PP5V or ground when unused."
      },
      {
        "number": "3",
        "name": "VSYS",
        "type": "power_in",
        "description": "High-voltage sinking node in the system, used for reverse-current protection of the external sinking paths controlled by PA_GATE_VSYS and PB_GATE_VSYS."
      },
      {
        "number": "4",
        "name": "PB_GATE_VSYS",
        "type": "output",
        "description": "Connects to the Port B N-ch MOSFET that has its source tied to VSYS."
      },
      {
        "number": "5",
        "name": "PA_GATE_VSYS",
        "type": "output",
        "description": "Connects to the Port A N-ch MOSFET that has its source tied to VSYS."
      },
      {
        "number": "6",
        "name": "PB_CC1",
        "type": "bidirectional",
        "description": "I/O for USB Type-C and USB PD on Port B; filter noise with the recommended capacitor to GND."
      },
      {
        "number": "7",
        "name": "PB_CC2",
        "type": "bidirectional",
        "description": "I/O for USB Type-C and USB PD on Port B; filter noise with the recommended capacitor to GND."
      },
      {
        "number": "8",
        "name": "GPIO9",
        "type": "output",
        "description": "General purpose digital output (PROCHOT#); tie to PP5V or ground when unused."
      },
      {
        "number": "9",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General purpose digital I/O; tie to PP5V or ground when unused."
      },
      {
        "number": "10",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "General purpose digital I/O; tie to PP5V or ground when unused."
      },
      {
        "number": "11",
        "name": "PP5V",
        "type": "power_in",
        "description": "5-V system supply to VBUS and supply for the Px_CCy pins as VCONN."
      },
      {
        "number": "12",
        "name": "PP5V",
        "type": "power_in",
        "description": "5-V system supply to VBUS and supply for the Px_CCy pins as VCONN."
      },
      {
        "number": "13",
        "name": "PB_VBUS",
        "type": "bidirectional",
        "description": "5-V to 20-V input or 5-V output from PP5V on Port B; bypass with CVBUS to GND."
      },
      {
        "number": "14",
        "name": "PB_VBUS",
        "type": "bidirectional",
        "description": "5-V to 20-V input or 5-V output from PP5V on Port B; bypass with CVBUS to GND."
      },
      {
        "number": "15",
        "name": "PB_VBUS",
        "type": "bidirectional",
        "description": "5-V to 20-V input or 5-V output from PP5V on Port B; bypass with CVBUS to GND."
      },
      {
        "number": "16",
        "name": "PB_VBUS",
        "type": "bidirectional",
        "description": "5-V to 20-V input or 5-V output from PP5V on Port B; bypass with CVBUS to GND."
      },
      {
        "number": "17",
        "name": "PP5V",
        "type": "power_in",
        "description": "5-V system supply to VBUS and supply for the Px_CCy pins as VCONN."
      },
      {
        "number": "18",
        "name": "PB_GATE_VBUS",
        "type": "output",
        "description": "Connects to the N-ch MOSFET that has its source tied to PB_VBUS."
      },
      {
        "number": "19",
        "name": "PA_GATE_VBUS",
        "type": "output",
        "description": "Connects to the N-ch MOSFET that has its source tied to PA_VBUS."
      },
      {
        "number": "20",
        "name": "PP5V",
        "type": "power_in",
        "description": "5-V system supply to VBUS and supply for the Px_CCy pins as VCONN."
      },
      {
        "number": "21",
        "name": "PA_VBUS",
        "type": "bidirectional",
        "description": "5-V to 20-V input or 5-V output from PP5V on Port A; bypass with CVBUS to GND."
      },
      {
        "number": "22",
        "name": "PA_VBUS",
        "type": "bidirectional",
        "description": "5-V to 20-V input or 5-V output from PP5V on Port A; bypass with CVBUS to GND."
      },
      {
        "number": "23",
        "name": "PA_VBUS",
        "type": "bidirectional",
        "description": "5-V to 20-V input or 5-V output from PP5V on Port A; bypass with CVBUS to GND."
      },
      {
        "number": "24",
        "name": "PA_VBUS",
        "type": "bidirectional",
        "description": "5-V to 20-V input or 5-V output from PP5V on Port A; bypass with CVBUS to GND."
      },
      {
        "number": "25",
        "name": "PP5V",
        "type": "power_in",
        "description": "5-V system supply to VBUS and supply for the Px_CCy pins as VCONN."
      },
      {
        "number": "26",
        "name": "PP5V",
        "type": "power_in",
        "description": "5-V system supply to VBUS and supply for the Px_CCy pins as VCONN."
      },
      {
        "number": "27",
        "name": "GPIO7",
        "type": "bidirectional",
        "description": "General purpose digital I/O; tie to PP5V or ground when unused."
      },
      {
        "number": "28",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General purpose digital I/O; tie to PP5V or ground when unused."
      },
      {
        "number": "29",
        "name": "GPIO6",
        "type": "bidirectional",
        "description": "General purpose digital I/O; tie to PP5V or ground when unused."
      },
      {
        "number": "30",
        "name": "PA_CC2",
        "type": "bidirectional",
        "description": "I/O for USB Type-C and USB PD on Port A; filter noise with the recommended capacitor to GND."
      },
      {
        "number": "31",
        "name": "PA_CC1",
        "type": "bidirectional",
        "description": "I/O for USB Type-C and USB PD on Port A; filter noise with the recommended capacitor to GND."
      },
      {
        "number": "32",
        "name": "VIN_3V3",
        "type": "power_in",
        "description": "Supply for core circuitry and I/O; bypass with CVIN_3V3 to GND."
      },
      {
        "number": "33",
        "name": "ADCIN1",
        "type": "input",
        "description": "Configuration input; connect to a resistor divider to LDO_3V3."
      },
      {
        "number": "34",
        "name": "LDO_3V3",
        "type": "power_out",
        "description": "Output of supply switched from VIN_3V3 or the VBUS LDO; bypass with CLDO_3V3 to GND."
      },
      {
        "number": "35",
        "name": "ADCIN2",
        "type": "input",
        "description": "Configuration input; connect to a resistor divider to LDO_3V3."
      },
      {
        "number": "36",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; connect to the ground plane."
      },
      {
        "number": "37",
        "name": "LDO_1V5",
        "type": "power_out",
        "description": "Output of the CORE LDO, bypass with CLDO_1V5 to GND; this pin cannot source current to external circuits."
      },
      {
        "number": "38",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General purpose digital I/O that may be used as DisplayPort HPD signal for Port A; tie to PP5V or ground when unused."
      },
      {
        "number": "39",
        "name": "I2C2s_IRQ",
        "type": "output",
        "description": "I2C slave interrupt, active low; connect to external voltage through a pull-up resistor, can be reconfigured to GPIO11."
      },
      {
        "number": "40",
        "name": "I2C_EC_SDA",
        "type": "bidirectional",
        "description": "I2C slave serial data, open-drain; tie to pullup voltage through a resistor, connect to the Embedded Controller, may be grounded if unused."
      },
      {
        "number": "41",
        "name": "I2C2s_SCL",
        "type": "input",
        "description": "I2C slave serial clock input; tie to pull-up voltage through a resistor, may be grounded if unused."
      },
      {
        "number": "42",
        "name": "I2C_EC_SCL",
        "type": "input",
        "description": "I2C slave serial clock input; tie to pullup voltage through a resistor, connect to the Embedded Controller, may be grounded if unused."
      },
      {
        "number": "43",
        "name": "I2C_EC_IRQ",
        "type": "output",
        "description": "I2C slave interrupt, active low; connect to external voltage through a pull-up resistor and to the EC, can be reconfigured to GPIO10, may be grounded if unused."
      },
      {
        "number": "44",
        "name": "I2C2s_SDA",
        "type": "bidirectional",
        "description": "I2C slave serial data, open-drain; tie to pullup voltage through a resistor, may be grounded if unused."
      },
      {
        "number": "45",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "General purpose digital I/O that may be used as DisplayPort HPD signal for Port B; tie to PP5V or ground when unused."
      },
      {
        "number": "46",
        "name": "GPIO5",
        "type": "bidirectional",
        "description": "General purpose digital I/O that may be used as an ADC input; tie to PP5V or ground when unused."
      },
      {
        "number": "47",
        "name": "I2C3m_IRQ",
        "type": "input",
        "description": "I2C master interrupt, active low; connect to external voltage through a pull-up resistor, tie to PP5V or ground when unused, can be reconfigured to GPIO12."
      },
      {
        "number": "48",
        "name": "I2C3m_SDA",
        "type": "bidirectional",
        "description": "I2C master serial data, open-drain; tie to pullup voltage through a resistor when used or unused."
      },
      {
        "number": "49",
        "name": "GND",
        "type": "power_in",
        "description": "Thermal pad (GND) on the bottom of the package, connected to ground."
      }
    ],
    "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: Thermal pad is labeled 'Thermal Pad (GND)' in the pin diagram; the number 49 is taken from the examp; PA_VBUS/PB_VBUS are typed bidirectional from the table's I/O designation; they act as power input (s"
        ],
        "pages_sent": 23,
        "cost_usd": 0.2793,
        "at": "2026-10-22T22:14:04"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps65994ad",
        "pages": 64,
        "sha256": "5b53d740e43da753",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps65994adrslr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.02,
          6.02,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "357f3c1d04a01c14ea0c645988a86330d460ac4e271838b4c8b3a5e8fa19207e",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps65994adrslr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.02,
          6.02,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e22d7ac3d7c590a69776251bb4ef6dff2b07783fc8599f27322dcb1f99146630",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-48-EP(6x6)",
      "Category": "Power Supply Chip",
      "Pins": "49"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5b53d740e43da7531f815cac4dd11bbfd6f5ee5655ea2adaa13dd2e1c5217106",
      "rows": [
        {
          "name": "PP5V input voltage",
          "symbol": "PP5V",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.9,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VIN_3V3 input voltage",
          "symbol": "VIN_3V3",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "PA_VBUS, PB_VBUS input voltage",
          "symbol": "Px_VBUS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 22,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VSYS input voltage",
          "symbol": "VSYS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 22,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ambient operating temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "IPP_5Vx ≤ 1.5 A, IPP_5Vy ≤ 3.0 A, IPP_CABLEx ≤ 315 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ambient operating temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "IPP_5Vx ≤ 3.0 A, IPP_CABLEx ≤ 315 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output current from PP5V on Px_VBUS",
          "symbol": "IO",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "PA_VBUS, PB_VBUS",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Abs max PP5V",
          "symbol": "PP5V",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Abs max VIN_3V3",
          "symbol": "VIN_3V3",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Abs max VSYS, PA_VBUS, PB_VBUS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Abs max Px_CCy",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Abs max gate pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "PA_GATE_VBUS, PA_GATE_VSYS, PB_GATE_VBUS, PB_GATE_VSYS",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature (abs max)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 26.8,
          "max": null,
          "conditions": "QFN (RSL) 48 pins",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 15.4,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 8.5,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VIN_3V3 UVLO rising",
          "symbol": "VVIN3V3_UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2.56,
          "typ": 2.66,
          "max": 2.76,
          "conditions": "rising, VPx_VBUS=0",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VIN_3V3 UVLO falling",
          "symbol": "VVIN3V3_UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2.44,
          "typ": 2.54,
          "max": 2.64,
          "conditions": "falling, VPx_VBUS=0",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Voltage on LDO_3V3",
          "symbol": "VLDO_3V3",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 3.4,
          "max": 3.6,
          "conditions": "VVIN_3V3 = 0V, ILDO_3V3 ≤ 5 mA, VPA_VBUS ≥ 3.9V or VPB_VBUS ≥ 3.9V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Rdson VIN_3V3 to LDO_3V3",
          "symbol": "RLDO_3V3",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "ILDO_3V3=50mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Current into VIN_3V3 Active Source",
          "symbol": "IVIN_3V3,ActSrc",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.5,
          "max": 12,
          "conditions": "Active Source mode: VPP5V=5.0V, VVIN_3V3=3.3V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Current into VIN_3V3 Active Sink",
          "symbol": "IVIN_3V3,ActSnk",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.8,
          "max": 12,
          "conditions": "Active Sink mode, VVIN_3V3=3.3V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Current into VIN_3V3 Sleep",
          "symbol": "IVIN_3V3,Sleep",
          "kind": "electrical",
          "unit": "µA",
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