TPS65178RSLR

{
  "slug": "tps65178rslr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Power Management Specialized - PMIC, VQFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tps65178rslr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps65178rslr.kicad_sym",
    "tps65178rslr.kicad_mod",
    "tps65178rslr.glb",
    "tps65178rslr.step",
    "tps65178rslr.lbr",
    "docs/hero.png",
    "docs/tps65178rslr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps65178rslr-hero.glb",
    "tps65178rslr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS65178RSLR",
    "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/tps65178",
    "parts": {
      "symbol": "tps65178rslr.kicad_sym",
      "footprint": "tps65178rslr.kicad_mod",
      "model_3d": "tps65178rslr-hero.glb",
      "model_3d_plain": "tps65178rslr.glb",
      "model_3d_step": "tps65178rslr-etched.step",
      "model_3d_step_plain": "tps65178rslr.step",
      "lbr": "tps65178rslr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2156256",
      "digikey": "TPS65178RSLR-ND",
      "mouser": "595-TPS65178RSLR"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T19:52:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TPS65178RSLR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS65178RSLR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT4",
        "type": "input",
        "description": "Buck 4 converter (VEPI) output voltage sense pin."
      },
      {
        "number": "2",
        "name": "SWB4",
        "type": "bidirectional",
        "description": "Buck 4 converter (VEPI) switch pin."
      },
      {
        "number": "3",
        "name": "RST",
        "type": "output",
        "description": "Reset generator open drain output pin."
      },
      {
        "number": "4",
        "name": "OUT1",
        "type": "input",
        "description": "Buck 1 converter (VCC) output voltage sense pin; also the input pin for the buck 2 and buck 4 converters."
      },
      {
        "number": "5",
        "name": "OUT2",
        "type": "input",
        "description": "Buck 2 converter (VCORE) output voltage sense pin."
      },
      {
        "number": "6",
        "name": "SWB2",
        "type": "bidirectional",
        "description": "Buck 2 converter (VCORE) switch pin."
      },
      {
        "number": "7",
        "name": "PGND2",
        "type": "power_in",
        "description": "Buck 2 converter (VCORE) power ground pin."
      },
      {
        "number": "8",
        "name": "SWB1",
        "type": "bidirectional",
        "description": "Buck 1 converter (VCC) switch pin."
      },
      {
        "number": "9",
        "name": "SWB1",
        "type": "bidirectional",
        "description": "Buck 1 converter (VCC) switch pin."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "11",
        "name": "PVINB1",
        "type": "input",
        "description": "Buck 1 converter (VCC) input supply pin; input capacitor CIN_BUCK1 of 10 µF is recommended."
      },
      {
        "number": "12",
        "name": "PVINB1",
        "type": "input",
        "description": "Buck 1 converter (VCC) input supply pin; input capacitor CIN_BUCK1 of 10 µF is recommended."
      },
      {
        "number": "13",
        "name": "AVIN",
        "type": "input",
        "description": "Internal regulator supply pin; input voltage range is 8.6 V to 14.7 V (12 V typical)."
      },
      {
        "number": "14",
        "name": "PVINB3",
        "type": "input",
        "description": "Buck 3 converter (HVDD) power input pin."
      },
      {
        "number": "15",
        "name": "SWB3",
        "type": "bidirectional",
        "description": "Buck 3 converter (HVDD) switch pin."
      },
      {
        "number": "16",
        "name": "OUT3",
        "type": "input",
        "description": "Buck 3 converter (HVDD) output voltage sense pin."
      },
      {
        "number": "17",
        "name": "PGND3",
        "type": "power_in",
        "description": "Buck 3 converter (HVDD) power ground pin."
      },
      {
        "number": "18",
        "name": "PGND",
        "type": "power_in",
        "description": "Boost converter (VDD) power ground pin."
      },
      {
        "number": "19",
        "name": "PGND",
        "type": "power_in",
        "description": "Boost converter (VDD) power ground pin."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "bidirectional",
        "description": "Boost converter (VDD) switch pin."
      },
      {
        "number": "21",
        "name": "SW",
        "type": "bidirectional",
        "description": "Boost converter (VDD) switch pin."
      },
      {
        "number": "22",
        "name": "SWI",
        "type": "input",
        "description": "Isolation switch input pin, connected to the internal overvoltage protection comparator of the boost converter."
      },
      {
        "number": "23",
        "name": "SWO",
        "type": "output",
        "description": "Isolation switch output pin (VDD)."
      },
      {
        "number": "24",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground pin; connect this pin to the PowerPAD exposed pad."
      },
      {
        "number": "25",
        "name": "SS",
        "type": "output",
        "description": "Boost converter (VDD) soft-start pin; connect a capacitor to this pin if soft-start is needed, open means no soft-start."
      },
      {
        "number": "26",
        "name": "COMP",
        "type": "bidirectional",
        "description": "Boost converter (VDD) compensation pin."
      },
      {
        "number": "27",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C clock pin; high input level at least 2 V and low input level at most 0.8 V for AVIN 8.6 V to 14.7 V."
      },
      {
        "number": "28",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data pin; high input level at least 2 V and low input level at most 0.8 V for AVIN 8.6 V to 14.7 V."
      },
      {
        "number": "29",
        "name": "VL",
        "type": "output",
        "description": "Internal regulator output pin; connect an output capacitor to this pin (1 µF recommended on VL)."
      },
      {
        "number": "30",
        "name": "TCOMP",
        "type": "input",
        "description": "Temperature compensation input pin; connect the thermistor / pull-up resistor network to this pin."
      },
      {
        "number": "31",
        "name": "CTRLP",
        "type": "output",
        "description": "Positive charge pump (VGH) base drive signal pin."
      },
      {
        "number": "32",
        "name": "VGH",
        "type": "input",
        "description": "Positive charge pump (VGH) output voltage sense pin."
      },
      {
        "number": "33",
        "name": "SWP",
        "type": "bidirectional",
        "description": "Positive charge pump (VGH) switch pin."
      },
      {
        "number": "34",
        "name": "SWN",
        "type": "bidirectional",
        "description": "Negative charge pump (VGL) switch pin."
      },
      {
        "number": "35",
        "name": "VGL",
        "type": "input",
        "description": "Negative charge pump (VGL) output voltage sense pin."
      },
      {
        "number": "36",
        "name": "CTRLN",
        "type": "output",
        "description": "Negative charge pump (VGL) base drive signal pin."
      },
      {
        "number": "37",
        "name": "GMA1",
        "type": "output",
        "description": "Gamma buffer 1 output pin (DAC output)."
      },
      {
        "number": "38",
        "name": "GMA2",
        "type": "output",
        "description": "Gamma buffer 2 output pin (DAC output)."
      },
      {
        "number": "39",
        "name": "GMA3",
        "type": "output",
        "description": "Gamma buffer 3 output pin (DAC output)."
      },
      {
        "number": "40",
        "name": "GMA4",
        "type": "output",
        "description": "Gamma buffer 4 output pin (DAC output)."
      },
      {
        "number": "41",
        "name": "GMA5",
        "type": "output",
        "description": "Gamma buffer 5 output pin (DAC output)."
      },
      {
        "number": "42",
        "name": "GMA6",
        "type": "output",
        "description": "Gamma buffer 6 output pin (DAC output)."
      },
      {
        "number": "43",
        "name": "VCOM",
        "type": "input",
        "description": "VCOM output sense pin."
      },
      {
        "number": "44",
        "name": "NEG",
        "type": "output",
        "description": "VCOM inverting pin."
      },
      {
        "number": "45",
        "name": "POS",
        "type": "output",
        "description": "VCOM non-inverting pin; DAC output for the VCOM reference."
      },
      {
        "number": "46",
        "name": "VCOMFB",
        "type": "input",
        "description": "VCOM panel feedback pin."
      },
      {
        "number": "47",
        "name": "DYN",
        "type": "input",
        "description": "Dynamic VCOM gain select pin; high input level at least 1.5 V and low input level at most 0.5 V for AVIN 8.6 V to 14.7 V."
      },
      {
        "number": "48",
        "name": "PGND4",
        "type": "power_in",
        "description": "Buck 4 converter (VEPI) power ground pin."
      },
      {
        "number": "49",
        "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-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 datasheet gives no separate pin number for the PowerPAD exposed thermal pad. It is listed only a; The pin table lists several pads under one name with two numbers (for example 'SWB1 8, 9'). Each pad; Pin 10 is printed as NC (not connected) in the datasheet and is typed as unconnected.",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0993,
        "at": "2026-10-10T19:51:53"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps65178",
        "pages": 61,
        "sha256": "ffafe4d0d4361b46",
        "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": "tps65178rslr.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "70fa3b5e204ad71f07261de60906ad9a4e50b2299af61e8d36ea205ebe4033ff",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps65178rslr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.02,
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6adc46771f7ed76279f1a0775c26eb99a7237037ef523867c038234f787850f4",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}