TPS62172DSGR

{
  "slug": "tps62172dsgr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, WSON-8-EP(2x2). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps62172dsgr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps62172dsgr.kicad_sym",
    "tps62172dsgr.kicad_mod",
    "tps62172dsgr.glb",
    "tps62172dsgr.step",
    "tps62172dsgr.lbr",
    "docs/hero.png",
    "docs/tps62172dsgr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "TPS62172DSGR",
    "manufacturer": "Texas Instruments",
    "package": "WSON-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps62172",
    "parts": {
      "symbol": "tps62172dsgr.kicad_sym",
      "footprint": "tps62172dsgr.kicad_mod",
      "model_3d": "tps62172dsgr-etched.glb",
      "model_3d_plain": "tps62172dsgr.glb",
      "model_3d_step": "tps62172dsgr-etched.step",
      "model_3d_step_plain": "tps62172dsgr.step",
      "lbr": "tps62172dsgr.lbr"
    },
    "distributor_links": {
      "lcsc": "C59873"
    },
    "pins": [
      {
        "number": "1",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for high-current switching path."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input with operating range 3 V to 17 V per Recommended Operating Conditions section 7.3."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input; high enables device operation, low disables with typical shutdown current of 1.5 µA and internal pull-down resistor of approximately 400 kΩ."
      },
      {
        "number": "4",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference that must be connected to exposed thermal pad."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback input for adjustable versions; for fixed TPS62172 output version, internally pulled down and recommended to connect to AGND for improved thermal performance."
      },
      {
        "number": "6",
        "name": "VOS",
        "type": "input",
        "description": "Output voltage sense input for internal control loop circuitry providing fast transient response and output regulation."
      },
      {
        "number": "7",
        "name": "SW",
        "type": "output",
        "description": "Switch node connected to internal MOSFET switches; connect inductor between SW and output capacitor for DC-DC conversion."
      },
      {
        "number": "8",
        "name": "PG",
        "type": "tri_state",
        "description": "Open-drain power good output indicator; high impedance when VOUT ready (≥92% nominal regulation), low when below regulation (≤87% nominal), can sink 2 mA and requires external pull-up resistor."
      },
      {
        "number": "9",
        "name": "Exposed Thermal Pad",
        "type": "power_in",
        "description": "Electrical connection to AGND that must be soldered to printed circuit board for mechanical reliability and thermal dissipation; junction-to-board thermal resistance RθJB is 15.5 °C/W per section 7.4."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 41,
        "cost_usd": 0.3799,
        "at": "2026-09-22T21:49:46"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps62172",
        "pages": 41,
        "sha256": "57da0bfac3369922",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps62172dsgr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.82
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7672cac8d88d8679800ef3bf90954e7996ea74e8ddb1f157f2d82bca6b2015e4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps62172dsgr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.82
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b676e258bf1195f79f7b9f6f96f29071905c9db126ff5cb02ddd1aa90e6ef5e5",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}