TPS254900AIRVCRQ1

{
  "slug": "tps254900airvcrq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Power Distribution Switches, WQFN-20-EP(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tps254900airvcrq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps254900airvcrq1.kicad_sym",
    "tps254900airvcrq1.kicad_mod",
    "tps254900airvcrq1.glb",
    "tps254900airvcrq1.step",
    "tps254900airvcrq1.lbr",
    "docs/hero.png",
    "docs/tps254900airvcrq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps254900airvcrq1-hero.glb",
    "tps254900airvcrq1-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS254900AIRVCRQ1",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-20-EP(3x4)",
    "pin_count": 21,
    "category": "Power Supply Chip",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps254900a-q1",
    "parts": {
      "symbol": "tps254900airvcrq1.kicad_sym",
      "footprint": "tps254900airvcrq1.kicad_mod",
      "model_3d": "tps254900airvcrq1-hero.glb",
      "model_3d_plain": "tps254900airvcrq1.glb",
      "model_3d_step": "tps254900airvcrq1-etched.step",
      "model_3d_step_plain": "tps254900airvcrq1.step",
      "lbr": "tps254900airvcrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2149777",
      "digikey": "296-51885-2-ND",
      "mouser": "595-TPS254900AIRVCRQ"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T07:12:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-51885-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS254900AIRVCRQ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IMON",
        "type": "output",
        "description": "Sources a scaled-down ratio of the current through the internal FET; a resistor from this pin to GND converts that current to a proportional voltage for use as an analog current monitor."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply voltage; connect a 0.1-µF or greater ceramic capacitor from IN to GND as close to the IC as possible."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply voltage; connect a 0.1-µF or greater ceramic capacitor from IN to GND as close to the IC as possible."
      },
      {
        "number": "4",
        "name": "DM_OUT",
        "type": "bidirectional",
        "description": "D- data line to the upstream USB host controller."
      },
      {
        "number": "5",
        "name": "DP_OUT",
        "type": "bidirectional",
        "description": "D+ data line to the upstream USB host controller."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "output",
        "description": "Linear cable compensation current output; connect to the divider resistor of the front-end dc-dc converter."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Logic-level control input that turns the power and signal switches on or off; when EN is low the device is disabled and both switches are OFF."
      },
      {
        "number": "8",
        "name": "CTL1",
        "type": "input",
        "description": "Logic-level control input for setting the charging mode and signal switches, per the Device Truth Table."
      },
      {
        "number": "9",
        "name": "CTL2",
        "type": "input",
        "description": "Logic-level control input for setting the charging mode and signal switches, per the Device Truth Table."
      },
      {
        "number": "10",
        "name": "OVP_SEL",
        "type": "input",
        "description": "Logic-level control input selecting the OUT overvoltage threshold: V(OV_OUT_LOW) when low and V(OV_OUT_HIGH) when high."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection that should be connected externally to the thermal pad."
      },
      {
        "number": "12",
        "name": "BIAS",
        "type": "passive",
        "description": "Used for IEC protection; typically connect a 2.2-µF capacitor and a transient-voltage suppressor (TVS) to ground, and 5.1 kΩ to OUT."
      },
      {
        "number": "13",
        "name": "DP_IN",
        "type": "bidirectional",
        "description": "D+ data line to the downstream connector, with IEC 61000-4-2 protection rated ±8 kV contact and ±15 kV air discharge and battery short protection up to 18 V."
      },
      {
        "number": "14",
        "name": "DM_IN",
        "type": "bidirectional",
        "description": "D- data line to the downstream connector, with IEC 61000-4-2 protection rated ±8 kV contact and ±15 kV air discharge and battery short protection up to 18 V."
      },
      {
        "number": "15",
        "name": "OUT",
        "type": "power_out",
        "description": "Power-switch output, a 45 mΩ (typical) high-side MOSFET rated up to 18 V with battery short protection."
      },
      {
        "number": "16",
        "name": "OUT",
        "type": "power_out",
        "description": "Power-switch output, a 45 mΩ (typical) high-side MOSFET rated up to 18 V with battery short protection."
      },
      {
        "number": "17",
        "name": "STATUS",
        "type": "output",
        "description": "Active-low open-drain output asserted during load-detect conditions."
      },
      {
        "number": "18",
        "name": "FAULT",
        "type": "output",
        "description": "Active-low open-drain output asserted during overtemperature, overcurrent, and overvoltage conditions."
      },
      {
        "number": "19",
        "name": "ILIM_LO",
        "type": "input",
        "description": "External resistor sets the low current-limit threshold and the load-detection current threshold."
      },
      {
        "number": "20",
        "name": "ILIM_HI",
        "type": "input",
        "description": "External resistor sets the high current-limit threshold."
      },
      {
        "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 thermal pad is listed in the pin table and on the top view but has no printed pin number, so it ; The datasheet labels BIAS as 'PWR' but describes it only as a protection-network node (capacitor, TV; The package hint says 3x4; the datasheet gives the RVC WQFN as 4.00 mm x 3.00 mm nominal. This is th",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0629,
        "at": "2026-10-11T07:12:08"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps254900a-q1",
        "pages": 42,
        "sha256": "85f605c476d469c7",
        "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": "tps254900airvcrq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9305bb1f2217b3a3c4923c5aad9089084cd988b0009a6b8028004dfc00dac347",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps254900airvcrq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "389ea6523d3634bf4224542e84451352b5c5cdbb8eb876e1e7b256d28ca29629",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}