TPS2549IRTETQ1

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps2549irtetq1",
  "title": "TPS2549IRTETQ1",
  "brief": "Texas Instruments USB Converters, WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "tps2549irtetq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS2549IRTETQ1",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps2549-q1",
    "parts": {
      "symbol": "tps2549irtetq1.kicad_sym",
      "footprint": "tps2549irtetq1.kicad_mod",
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      "model_3d_plain": "tps2549irtetq1.glb",
      "model_3d_step": "tps2549irtetq1-etched.step",
      "model_3d_step_plain": "tps2549irtetq1.step",
      "lbr": "tps2549irtetq1.lbr"
    },
    "distributor_links": {
      "lcsc": 181643,
      "digikey": "296-43172-2-ND",
      "mouser": "595-TPS2549IRTETQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T05:10:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-43172-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS2549IRTETQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply voltage 4.5V to 6.5V; requires 0.1µF or greater ceramic bypass capacitor to GND."
      },
      {
        "number": "2",
        "name": "DM_OUT",
        "type": "bidirectional",
        "description": "D− data line to upstream USB host controller; 0 to 3.6V, ±30mA continuous current."
      },
      {
        "number": "3",
        "name": "DP_OUT",
        "type": "bidirectional",
        "description": "D+ data line to upstream USB host controller; 0 to 3.6V, ±30mA continuous current."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "output",
        "description": "Current sense output providing proportional sink current for cable compensation feedback to upstream regulator."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable logic input; low level disables power switch and signal switches."
      },
      {
        "number": "6",
        "name": "CTL1",
        "type": "input",
        "description": "Logic-level control input for charging mode and signal switch selection; tie directly to IN or GND without pullup."
      },
      {
        "number": "7",
        "name": "CTL2",
        "type": "input",
        "description": "Logic-level control input for charging mode and signal switch selection; tie directly to IN or GND without pullup."
      },
      {
        "number": "8",
        "name": "CTL3",
        "type": "input",
        "description": "Logic-level control input for charging mode and signal switch selection; tie directly to IN or GND without pullup."
      },
      {
        "number": "9",
        "name": "STATUS",
        "type": "output",
        "description": "Active-low open-drain output asserted when load exceeds load-detection threshold; 10mA maximum sink."
      },
      {
        "number": "10",
        "name": "DP_IN",
        "type": "bidirectional",
        "description": "D+ data line from downstream connector; 0 to 3.6V, ±30mA continuous current."
      },
      {
        "number": "11",
        "name": "DM_IN",
        "type": "bidirectional",
        "description": "D− data line from downstream connector; 0 to 3.6V, ±30mA continuous current."
      },
      {
        "number": "12",
        "name": "OUT",
        "type": "power_out",
        "description": "Power switch output; 3.2A maximum continuous current at −40°C to 85°C."
      },
      {
        "number": "13",
        "name": "FAULT",
        "type": "output",
        "description": "Active-low open-drain output asserted during overtemperature, overcurrent, or DP_IN/DM_IN overvoltage; 10mA sink."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection; internally connected to thermal pad for heat-sinking to circuit board."
      },
      {
        "number": "15",
        "name": "ILIM_LO",
        "type": "input",
        "description": "Connect external resistor to GND (10.4kΩ to 1MΩ) to set low current-limit and load-detection thresholds."
      },
      {
        "number": "16",
        "name": "ILIM_HI",
        "type": "input",
        "description": "Connect external resistor to GND (10.4kΩ to 1MΩ) to set high current-limit threshold."
      },
      {
        "number": "17",
        "name": "PAD",
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet page 1 title mentions TPS2546-Q1 but content is for TPS2549-Q1; appears to be documentatio; Operating temperature for orderable MPN TPS2549IRTETQ1 is −40°C to 85°C (per page 38), not the full ",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0995,
        "at": "2026-10-03T05:09:49"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps2549-q1",
        "pages": 46,
        "sha256": "7bf9a3933c8fa4bf",
        "source_tier": "lcsc"
      },
      "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-16-EP(3x3)",
      "Category": "Interface",
      "Pins": "17"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "tps2549irtetq1"
  ],
  "discovery_pitch": "TPS2549IRTETQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "type": "image",
    "path": "docs/hero.png"
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    "tps2549irtetq1.step",
    "tps2549irtetq1.lbr",
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  "visibility": {
    "public": true
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}