TPS54226RGTR

{
  "slug": "tps54226rgtr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, TQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tps54226rgtr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps54226rgtr.kicad_sym",
    "tps54226rgtr.kicad_mod",
    "tps54226rgtr.glb",
    "tps54226rgtr.step",
    "tps54226rgtr.lbr",
    "docs/hero.png",
    "docs/tps54226rgtr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps54226rgtr-hero.glb",
    "tps54226rgtr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS54226RGTR",
    "manufacturer": "Texas Instruments",
    "package": "TQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps54226.pdf",
    "parts": {
      "symbol": "tps54226rgtr.kicad_sym",
      "footprint": "tps54226rgtr.kicad_mod",
      "model_3d": "tps54226rgtr-hero.glb",
      "model_3d_plain": "tps54226rgtr.glb",
      "model_3d_step": "tps54226rgtr-etched.step",
      "model_3d_step_plain": "tps54226rgtr.step",
      "lbr": "tps54226rgtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2071252",
      "digikey": "296-27705-2-ND",
      "mouser": "595-TPS54226RGTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T22:30:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-27705-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS54226RGTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VFB",
        "type": "input",
        "description": "Converter feedback input; connect with feedback resistor divider."
      },
      {
        "number": "2",
        "name": "VREG5",
        "type": "power_out",
        "description": "5.5 V power supply output; a capacitor (typical 1 µF) should be connected to GND."
      },
      {
        "number": "3",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start control; an external capacitor should be connected to GND."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground pin."
      },
      {
        "number": "5",
        "name": "PG",
        "type": "output",
        "description": "Open drain power good output."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Enable control input."
      },
      {
        "number": "7",
        "name": "PGND1",
        "type": "power_in",
        "description": "Ground return for low-side MOSFET and input of current comparators; connect PGND and GND strongly together near the IC."
      },
      {
        "number": "8",
        "name": "PGND2",
        "type": "power_in",
        "description": "Ground return for low-side MOSFET and input of current comparators; connect PGND and GND strongly together near the IC."
      },
      {
        "number": "9",
        "name": "SW1",
        "type": "passive",
        "description": "Switch node connection between high-side NFET and low-side NFET; also serves as input to current comparators."
      },
      {
        "number": "10",
        "name": "SW2",
        "type": "passive",
        "description": "Switch node connection between high-side NFET and low-side NFET; also serves as input to current comparators."
      },
      {
        "number": "11",
        "name": "SW3",
        "type": "passive",
        "description": "Switch node connection between high-side NFET and low-side NFET; also serves as input to current comparators."
      },
      {
        "number": "12",
        "name": "VBST",
        "type": "passive",
        "description": "Supply input for high-side NFET gate driver (boost terminal); connect capacitor from this pin to the SW terminals, with an internal PN diode between VREG5 and VBST."
      },
      {
        "number": "13",
        "name": "VIN1",
        "type": "power_in",
        "description": "Power input connected to high side NFET drain; VIN range 2 V to 18 V."
      },
      {
        "number": "14",
        "name": "VIN2",
        "type": "power_in",
        "description": "Power input connected to high side NFET drain; VIN range 2 V to 18 V."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply input for 5 V internal linear regulator for the control circuitry; range 4.5 V to 18 V."
      },
      {
        "number": "16",
        "name": "VO",
        "type": "input",
        "description": "Connect to output of converter; used for on-time adjustment."
      },
      {
        "number": "17",
        "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: Package name mismatch: the package hint says TQFN-16-EP(3x3), but the datasheet and ordering table c; The exposed thermal pad is not given a pin number in the datasheet and is not listed as a numbered p; The RGT pin drawing contains a stray label 'SW3' near pins 15-16, but SW3 does not appear in the PIN",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0786,
        "at": "2026-10-11T22:30:03"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps54226.pdf",
        "pages": 35,
        "sha256": "d9f47227fe611407",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "tps54226rgtr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps54226rgtr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
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        "footprint_binding": "identity",
        "sha256": "e1fa54f090deeafd9ffb51f2054e76c7728713f1fcc291259426ceda34058fdf",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}