TPS61187RTJR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps61187rtjr",
  "title": "TPS61187RTJR",
  "brief": "Texas Instruments LED Drivers, QFN-20-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",
    "led drivers",
    "tps61187rtjr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS61187RTJR",
    "manufacturer": "Texas Instruments",
    "package": "QFN-20-EP(4x4)",
    "pin_count": 21,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps61187",
    "parts": {
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      "footprint": "tps61187rtjr.kicad_mod",
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      "model_3d_plain": "tps61187rtjr.glb",
      "model_3d_step": "tps61187rtjr-etched.step",
      "model_3d_step_plain": "tps61187rtjr.step",
      "lbr": "tps61187rtjr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2865124",
      "digikey": "296-36817-2-ND",
      "mouser": "595-TPS61187RTJR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:15:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-36817-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS61187RTJR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDDIO",
        "type": "power_out",
        "description": "Internal pre-regulator output; connect a 1.0 µF ceramic capacitor to VDDIO, which is specified at 3.0 V to 3.6 V (3.3 V typical) at 5 mA load."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable input with logic-high threshold of 2.1 V minimum and logic-low threshold of 0.8 V maximum, with an internal pull-down of 400 kΩ to 1600 kΩ."
      },
      {
        "number": "3",
        "name": "FSLCT",
        "type": "input",
        "description": "Switching frequency selection pin; a resistor on this pin sets the switching frequency between 300 kHz and 1.0 MHz."
      },
      {
        "number": "4",
        "name": "ISET",
        "type": "input",
        "description": "Full-scale LED current set pin; a resistor connected to this pin programs the LED current level (ISET voltage 1.229 V typical)."
      },
      {
        "number": "5",
        "name": "FPO",
        "type": "output",
        "description": "Fault protection output that indicates fault conditions including OVP, OC, and OT; logic-low voltage is 0.4 V maximum at 0.5 mA source current."
      },
      {
        "number": "6",
        "name": "IFB1",
        "type": "input",
        "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."
      },
      {
        "number": "7",
        "name": "IFB2",
        "type": "input",
        "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."
      },
      {
        "number": "8",
        "name": "IFB3",
        "type": "input",
        "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground of the device."
      },
      {
        "number": "10",
        "name": "IFB4",
        "type": "input",
        "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."
      },
      {
        "number": "11",
        "name": "IFB5",
        "type": "input",
        "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."
      },
      {
        "number": "12",
        "name": "IFB6",
        "type": "input",
        "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."
      },
      {
        "number": "13",
        "name": "RFPWM/MODE",
        "type": "input",
        "description": "Dimming frequency program pin set by an external resistor, and mode selection pin; see the Application Information section for details."
      },
      {
        "number": "14",
        "name": "OVC",
        "type": "input",
        "description": "Over-voltage clamp pin and voltage feedback pin; see the Application Information section for details."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground of the device."
      },
      {
        "number": "16",
        "name": "SW",
        "type": "output",
        "description": "Drain connection of the internal power FET; absolute maximum rating is -0.3 V to 40 V."
      },
      {
        "number": "17",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "18",
        "name": "FAULT",
        "type": "output",
        "description": "Fault pin used to drive an external isolation FET; voltage range is -0.3 V to 24 V absolute maximum."
      },
      {
        "number": "19",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input pin; operating input voltage range is 4.5 V to 24 V."
      },
      {
        "number": "20",
        "name": "PWM",
        "type": "input",
        "description": "PWM signal input for dimming, with logic-high threshold of 2.1 V minimum and logic-low threshold of 0.8 V maximum."
      },
      {
        "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 exposed thermal pad (PowerPAD) of the RTJ QFN is not given a pin number or connection descriptio; Pin-to-channel mapping for IFB1 to IFB6 is taken from the pin table listing 'IFB1 to IFB6 6,7,8,10,1; Pin 13 (RFPWM/MODE) and pin 14 (OVC) have dual functions described only as 'see Application Informat",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0726,
        "at": "2026-10-08T20:14:45"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps61187",
        "pages": 29,
        "sha256": "66cb4f8defa22d56",
        "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"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4,
          0.77
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps61187rtjr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "3e4a4168302af5e88d6ca0a845a515ad8cd723bbf0bdb4816ae80b1d0bcaf3a9",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "QFN-20-EP(4x4)",
      "Category": "LED Drivers",
      "Pins": "21"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "tps61187rtjr"
  ],
  "discovery_pitch": "TPS61187RTJR (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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  "visibility": {
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}