ONET1131ECRSMR

{
  "slug": "onet1131ecrsmr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Laser Drivers, VQFN-32(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "onet1131ecrsmr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "onet1131ecrsmr.kicad_sym",
    "onet1131ecrsmr.kicad_mod",
    "onet1131ecrsmr.glb",
    "onet1131ecrsmr.step",
    "onet1131ecrsmr.lbr",
    "docs/hero.png",
    "docs/onet1131ecrsmr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "onet1131ecrsmr-hero.glb",
    "onet1131ecrsmr-hero.overlay.json"
  ],
  "component": {
    "mpn": "ONET1131ECRSMR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32(4x4)",
    "pin_count": 33,
    "category": "LED Drivers",
    "subcategory": "Laser Drivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/onet1131ec",
    "parts": {
      "symbol": "onet1131ecrsmr.kicad_sym",
      "footprint": "onet1131ecrsmr.kicad_mod",
      "model_3d": "onet1131ecrsmr-hero.glb",
      "model_3d_plain": "onet1131ecrsmr.glb",
      "model_3d_step": "onet1131ecrsmr-etched.step",
      "model_3d_step_plain": "onet1131ecrsmr.step",
      "lbr": "onet1131ecrsmr.lbr"
    },
    "distributor_links": {
      "lcsc": 2651273,
      "digikey": "296-51483-2-ND",
      "mouser": "595-ONET1131ECRSMR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T05:02:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-51483-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ONET1131ECRSMR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LOL",
        "type": "tri_state",
        "description": "Loss of lock indicator with open-drain output asserts high when transmitter CDR is out of lock; requires external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant."
      },
      {
        "number": "2",
        "name": "MONB",
        "type": "output",
        "description": "Bias current monitor analog output."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground supply connection."
      },
      {
        "number": "4",
        "name": "DIN+",
        "type": "input",
        "description": "Non-inverted transmitter data input with on-chip 100 Ω differential termination to DIN- and AC coupling requirement."
      },
      {
        "number": "5",
        "name": "DIN–",
        "type": "input",
        "description": "Inverted transmitter data input with on-chip 100 Ω differential termination to DIN+ and AC coupling requirement."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground supply connection."
      },
      {
        "number": "7",
        "name": "PD",
        "type": "input",
        "description": "Photodiode input capable of sourcing or sinking current dependent on register setting."
      },
      {
        "number": "8",
        "name": "MONP",
        "type": "output",
        "description": "Photodiode current monitor analog output."
      },
      {
        "number": "9",
        "name": "LF",
        "type": "passive",
        "description": "Transmitter loop filter capacitor connection."
      },
      {
        "number": "10",
        "name": "BIAS",
        "type": "passive",
        "description": "Analog pin that sinks or sources bias current for the laser in both APC and open loop modes."
      },
      {
        "number": "11",
        "name": "VCC",
        "type": "power_in",
        "description": "2.5 V ± 5% supply voltage for analog circuitry."
      },
      {
        "number": "12",
        "name": "OUT–",
        "type": "output",
        "description": "Inverted transmitter data output internally terminated in single-ended operation mode."
      },
      {
        "number": "13",
        "name": "OUT+",
        "type": "output",
        "description": "Non-inverted transmitter data output CML interface."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "2.5 V ± 5% supply voltage for analog circuitry."
      },
      {
        "number": "15",
        "name": "VDD",
        "type": "power_in",
        "description": "2.5 V ± 5% supply voltage for the digital circuitry."
      },
      {
        "number": "16",
        "name": "AMP",
        "type": "input",
        "description": "Output amplitude control analog input accepting 0 to 2 V to adjust output amplitude; leave open when not used."
      },
      {
        "number": "17",
        "name": "SDA",
        "type": "bidirectional",
        "description": "2-wire interface serial data input/output requiring external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant."
      },
      {
        "number": "18",
        "name": "SCK",
        "type": "input",
        "description": "2-wire interface serial clock input requiring external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant."
      },
      {
        "number": "19",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground supply connection."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground supply connection."
      },
      {
        "number": "23",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation pin for APC loop bandwidth control; connect 0.01 µF capacitor to ground."
      },
      {
        "number": "24",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "25",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "26",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "27",
        "name": "VCC",
        "type": "power_in",
        "description": "2.5 V ± 5% supply voltage for analog circuitry."
      },
      {
        "number": "28",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "29",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "30",
        "name": "VCC",
        "type": "power_in",
        "description": "2.5 V ± 5% supply voltage for analog circuitry."
      },
      {
        "number": "31",
        "name": "FLT",
        "type": "tri_state",
        "description": "Transmitter fault detection flag with open-drain output asserts high when fault occurs; requires external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant."
      },
      {
        "number": "32",
        "name": "DIS",
        "type": "input",
        "description": "Bias current disable input with internal 250 kΩ pull-up and external 4.7 kΩ to 10 kΩ pull-up requirement; disables bias when high; toggle to reset fault condition; 3.3 V tolerant."
      },
      {
        "number": "33",
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.1344,
        "at": "2026-10-03T05:02:27"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/onet1131ec",
        "pages": 49,
        "sha256": "65452def5c526f68",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}