DS100BR111SQ

{
  "schema_version": 1,
  "type": "component",
  "slug": "ds100br111sq",
  "title": "DS100BR111SQ",
  "brief": "Texas Instruments Signal Buffers, Repeaters, Splitters, WQFN-24-EP(4x4). 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",
    "ds100br111sq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DS100BR111SQ",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Interface",
    "subcategory": "Signal Buffers, Repeaters, Splitters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ds100br111",
    "parts": {
      "symbol": "ds100br111sq.kicad_sym",
      "footprint": "ds100br111sq.kicad_mod",
      "model_3d": "ds100br111sq-hero.glb",
      "model_3d_plain": "ds100br111sq.glb",
      "model_3d_step": "ds100br111sq-etched.step",
      "model_3d_step_plain": "ds100br111sq.step",
      "lbr": "ds100br111sq.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675193"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T04:41:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EQB0/AD3",
        "type": "input",
        "description": "4-level input that sets channel B equalization (EQB0) in pin mode (ENSMB = 0) and becomes SMBus slave address bit AD3 when ENSMB = 1."
      },
      {
        "number": "2",
        "name": "EQB1/AD2",
        "type": "input",
        "description": "4-level input that sets channel B equalization (EQB1) in pin mode (ENSMB = 0) and becomes SMBus slave address bit AD2 when ENSMB = 1."
      },
      {
        "number": "3",
        "name": "ENSMB",
        "type": "input",
        "description": "4-level SMBus enable: High = SMBus slave mode register access, Float = read external EEPROM (SMBus master mode), tie 1 kΩ to GND = pin mode."
      },
      {
        "number": "4",
        "name": "SDA/DEMA",
        "type": "bidirectional",
        "description": "In SMBus modes it is the SMBus data I/O (open drain, external 2 kΩ to 5 kΩ pull-up recommended); in pin mode (ENSMB = 0) it is the 4-level DEMA input setting channel A de-emphasis."
      },
      {
        "number": "5",
        "name": "SCL/DEMB",
        "type": "bidirectional",
        "description": "In SMBus modes it is the SMBus clock (output while loading EEPROM, then input; open drain, external 2 kΩ to 5 kΩ pull-up recommended); in pin mode (ENSMB = 0) it is the 4-level DEMB input setting channel B de-emphasis."
      },
      {
        "number": "6",
        "name": "TX_DIS",
        "type": "input",
        "description": "2-level LVCMOS input: High = OUTA enabled and OUTB disabled, Low = OUTA and OUTB enabled."
      },
      {
        "number": "7",
        "name": "OUTA+",
        "type": "output",
        "description": "Non-inverting 50 Ω CML driver output of channel A with de-emphasis, compatible with AC-coupled CML inputs."
      },
      {
        "number": "8",
        "name": "OUTA-",
        "type": "output",
        "description": "Inverting 50 Ω CML driver output of channel A with de-emphasis, compatible with AC-coupled CML inputs."
      },
      {
        "number": "9",
        "name": "AD1/EQA1",
        "type": "input",
        "description": "4-level input that sets channel A equalization (EQA1) in pin mode (ENSMB = 0) and is SMBus slave address bit AD1 in SMBus mode."
      },
      {
        "number": "10",
        "name": "AD0/EQA0",
        "type": "input",
        "description": "4-level input that sets channel A equalization (EQA0) in pin mode (ENSMB = 0) and is SMBus slave address bit AD0 in SMBus mode."
      },
      {
        "number": "11",
        "name": "INB+",
        "type": "input",
        "description": "Non-inverting CML differential input to the channel B equalizer, with on-chip 50 Ω termination to VDD, compatible with AC-coupled CML inputs."
      },
      {
        "number": "12",
        "name": "INB-",
        "type": "input",
        "description": "Inverting CML differential input to the channel B equalizer, with on-chip 50 Ω termination to VDD, compatible with AC-coupled CML inputs."
      },
      {
        "number": "13",
        "name": "LOS",
        "type": "output",
        "description": "Open-drain loss-of-signal indicator (default is LOS on INA), modifiable via SMBus registers."
      },
      {
        "number": "14",
        "name": "SD_TH",
        "type": "input",
        "description": "4-level input setting the LOS assert/deassert threshold: High = 190/130 mVpp, Float = 180/110 mVpp (default), 20 kΩ to GND = 160/100 mVpp, 1 kΩ to GND = 210/150 mVpp."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "3.3 V ± 10% input to the internal LDO regulator; must be left floating in 2.5 V mode."
      },
      {
        "number": "16",
        "name": "VDD_SEL",
        "type": "input",
        "description": "Enables the 3.3 V to 2.5 V internal regulator: Low = 3.3 V operation, Float = 2.5 V operation."
      },
      {
        "number": "17",
        "name": "VOD_SEL/READEN",
        "type": "input",
        "description": "VOD select (High = 10G-KR mode 1.1 or 1.3 Vpp, Float = 1.0 Vpp, 20 kΩ to GND = 1.2 Vpp, 1 kΩ to GND = 700 mVpp); in EEPROM master mode (ENSMB = Float) a low starts the EEPROM load, and in SMBus slave mode it must be low for AD[3:0] to be active, otherwise address 0xB0 is used."
      },
      {
        "number": "18",
        "name": "MODE/DONE",
        "type": "bidirectional",
        "description": "4-level MODE input selects operation (High = 10GbE, Float = 10G-KR slow OOB, 20 kΩ to GND = eSATA, 1 kΩ to GND = SAS); with an external EEPROM (ENSMB = Float) it is the DONE output (High = load failed or incomplete, Low = load passed)."
      },
      {
        "number": "19",
        "name": "OUTB-",
        "type": "output",
        "description": "Inverting 50 Ω CML driver output of channel B with de-emphasis, compatible with AC-coupled CML inputs."
      },
      {
        "number": "20",
        "name": "OUTB+",
        "type": "output",
        "description": "Non-inverting 50 Ω CML driver output of channel B with de-emphasis, compatible with AC-coupled CML inputs."
      },
      {
        "number": "21",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin: connect to 2.5 V in 2.5 V mode; in 3.3 V mode do not connect a supply and use only for 100 nF decoupling."
      },
      {
        "number": "22",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin: connect to 2.5 V in 2.5 V mode; in 3.3 V mode do not connect a supply and use only for 100 nF decoupling."
      },
      {
        "number": "23",
        "name": "INA-",
        "type": "input",
        "description": "Inverting CML differential input to the channel A equalizer, with on-chip 50 Ω termination to VDD, compatible with AC-coupled CML inputs."
      },
      {
        "number": "24",
        "name": "INA+",
        "type": "input",
        "description": "Non-inverting CML differential input to the channel A equalizer, with on-chip 50 Ω termination to VDD, compatible with AC-coupled CML inputs."
      },
      {
        "number": "25",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed die attach pad (DAP) is the device ground and must be connected to GND through at least 4 vias for electrical and thermal performance."
      }
    ],
    "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 exposed die attach pad is the device GND connection but the datasheet gives it no numeric pin de; These pins have dual functions (EQ in pin mode, SMBus AD address in SMBus mode); pin numbers come fr; SDA and SCL are open-drain bidirectional in SMBus modes, but in pin mode the same pins are DEMA/DEMB",
          "exposed pad 25 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0908,
        "at": "2026-10-12T04:41:41"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ds100br111",
        "pages": 56,
        "sha256": "5c7dad53e562f35b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ds100br111sq.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds100br111sq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c88d3dfdf44857a7795f4306842a06db644ccdc0ebbc2b9f6083ff4ea678c4fc",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-24-EP(4x4)",
      "Category": "Interface",
      "Pins": "25"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ds100br111sq"
  ],
  "discovery_pitch": "DS100BR111SQ (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds100br111sq.kicad_sym",
    "ds100br111sq.kicad_mod",
    "ds100br111sq.glb",
    "ds100br111sq.step",
    "ds100br111sq.lbr",
    "docs/hero.png",
    "docs/ds100br111sq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ds100br111sq-hero.glb",
    "ds100br111sq-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}