TPS2231MRGPR

{
  "slug": "tps2231mrgpr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Power Distribution Switches, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps2231mrgpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps2231mrgpr.kicad_sym",
    "tps2231mrgpr.kicad_mod",
    "tps2231mrgpr.glb",
    "tps2231mrgpr.step",
    "tps2231mrgpr.lbr",
    "docs/hero.png",
    "docs/tps2231mrgpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps2231mrgpr-hero.glb",
    "tps2231mrgpr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS2231MRGPR",
    "manufacturer": "Texas Instruments",
    "package": "QFN-20-EP(4x4)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps2231",
    "parts": {
      "symbol": "tps2231mrgpr.kicad_sym",
      "footprint": "tps2231mrgpr.kicad_mod",
      "model_3d": "tps2231mrgpr-hero.glb",
      "model_3d_plain": "tps2231mrgpr.glb",
      "model_3d_step": "tps2231mrgpr-etched.step",
      "model_3d_step_plain": "tps2231mrgpr.step",
      "lbr": "tps2231mrgpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2149954",
      "digikey": "296-21266-2-ND",
      "mouser": "595-TPS2231MRGPR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T07:13:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-21266-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS2231MRGPR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "STBY",
        "type": "input",
        "description": "Active-low standby input with internal pull-up to AUXIN; when asserted after card insertion it turns off the 3.3-V and 1.5-V switches and keeps AUX on, and when asserted before a card is present it places the switch in OFF mode."
      },
      {
        "number": "2",
        "name": "3.3VIN",
        "type": "power_in",
        "description": "3.3-V input for 3.3VOUT; the absolute maximum input voltage range is -0.3 V to 6 V."
      },
      {
        "number": "3",
        "name": "3.3VOUT",
        "type": "power_out",
        "description": "Switched output that delivers 0 V, 3.3 V or high impedance to the card."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "6",
        "name": "SYSRST",
        "type": "input",
        "description": "Active-low system reset input driven by the host with internal pull-up to AUXIN; asserting it forces PERST to assert without disrupting the voltage rails."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "8",
        "name": "PERST",
        "type": "output",
        "description": "Logic-level power-good output to slot 0 (with delay); it is asserted low until all power rails are within tolerance and RCLKEN is released, then deasserted after a time delay."
      },
      {
        "number": "9",
        "name": "CPUSB",
        "type": "input",
        "description": "Card-present input for USB cards, internally pulled up to AUXIN; a logic low indicates the card supports USB functions."
      },
      {
        "number": "10",
        "name": "CPPE",
        "type": "input",
        "description": "Card-present input for PCI Express cards, internally pulled up to AUXIN; a logic low indicates the card supports PCI Express functions."
      },
      {
        "number": "11",
        "name": "1.5VOUT",
        "type": "power_out",
        "description": "Switched output that delivers 0 V, 1.5 V or high impedance to the card."
      },
      {
        "number": "12",
        "name": "1.5VIN",
        "type": "power_in",
        "description": "1.5-V input for 1.5VOUT; the absolute maximum input voltage range is -0.3 V to 6 V."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "15",
        "name": "AUXOUT",
        "type": "power_out",
        "description": "Switched output that delivers 0 V, AUX or high impedance to the card."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "17",
        "name": "AUXIN",
        "type": "power_in",
        "description": "AUX input for AUXOUT and chip power; absolute maximum input voltage range is -0.3 V to 6 V."
      },
      {
        "number": "18",
        "name": "RCLKEN",
        "type": "bidirectional",
        "description": "Reference clock enable: as an output it is an open-drain power-good to the host for slot 0 (no delay); as an input, holding it low keeps PERST from being deasserted; internally pulled up to AUXIN and must not be driven high externally."
      },
      {
        "number": "19",
        "name": "OC",
        "type": "output",
        "description": "Open-drain overcurrent status output for slot 0 that is asserted low (with deglitch delay) when the AUX, 3.3-V or 1.5-V switch is in overcurrent; OC sink current is limited to 10 mA."
      },
      {
        "number": "20",
        "name": "SHDN",
        "type": "input",
        "description": "Active-low shutdown input with internal pull-up to AUXIN; when asserted it turns off all voltage outputs and activates the discharge FETs."
      },
      {
        "number": "21",
        "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 4x4 QFN size and the exposed thermal pad (EP) are not stated in the provided pages; the datashee; The RGP pin-to-name mapping comes from the Terminal Functions table (page 8), where the RGP column i; The datasheet lists the TPS2231MRGPR as the same device as TPS2231 with only PowerPAD dimension diff",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0908,
        "at": "2026-10-11T07:12:50"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps2231",
        "pages": 44,
        "sha256": "c6bc7fcb544329ed",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps2231mrgpr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps2231mrgpr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bb3aa3ef9327c674e51e96d08e18fa069b2f35e168fd3b3d0481f6449af0c9a1",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}