TPS51225BRUKR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps51225brukr",
  "title": "TPS51225BRUKR",
  "brief": "Texas Instruments DC-DC Converters, WQFN-20-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",
    "power management (pmic)",
    "tps51225brukr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS51225BRUKR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-20-EP(3x3)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps51225b",
    "parts": {
      "symbol": "tps51225brukr.kicad_sym",
      "footprint": "tps51225brukr.kicad_mod",
      "model_3d": "tps51225brukr-hero.glb",
      "model_3d_plain": "tps51225brukr.glb",
      "model_3d_step": "tps51225brukr-etched.step",
      "model_3d_step_plain": "tps51225brukr.step",
      "lbr": "tps51225brukr.lbr"
    },
    "distributor_links": {
      "lcsc": 1848537,
      "digikey": "296-TPS51225BRUKRTR-ND",
      "mouser": "595-TPS51225BRUKR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T03:57:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS51225BRUKRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS51225BRUKR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS1",
        "type": "output",
        "description": "Current sensing output; sources 10 µA at 25°C for setting channel 1 OCL trip level via external resistor; voltage range 0.2-2 V."
      },
      {
        "number": "2",
        "name": "VFB1",
        "type": "input",
        "description": "Feedback input for channel 1 output voltage monitoring and regulation."
      },
      {
        "number": "3",
        "name": "VREG3",
        "type": "power_out",
        "description": "3.3 V always-on LDO output; supplies analog circuitry up to 100 mA."
      },
      {
        "number": "4",
        "name": "VFB2",
        "type": "input",
        "description": "Feedback input for channel 2 output voltage monitoring and regulation."
      },
      {
        "number": "5",
        "name": "CS2",
        "type": "output",
        "description": "Current sensing output; sources 10 µA at 25°C for setting channel 2 OCL trip level via external resistor; voltage range 0.2-2 V."
      },
      {
        "number": "6",
        "name": "EN2",
        "type": "input",
        "description": "Enable input for channel 2; enables SMPS when > 1.6 V, disables when < 0.3 V."
      },
      {
        "number": "7",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power good output flag; sources 6.5 mA maximum when asserted."
      },
      {
        "number": "8",
        "name": "SW2",
        "type": "output",
        "description": "Switch node for channel 2 buck converter; connects to drain of high-side MOSFET and source of low-side MOSFET."
      },
      {
        "number": "9",
        "name": "VBST2",
        "type": "power_in",
        "description": "Bootstrap supply input for channel 2 high-side gate driver; connect capacitor between VBST2 and SW2."
      },
      {
        "number": "10",
        "name": "DRVH2",
        "type": "output",
        "description": "High-side driver output for channel 2 upper MOSFET."
      },
      {
        "number": "11",
        "name": "DRVL2",
        "type": "output",
        "description": "Low-side driver output for channel 2 lower MOSFET."
      },
      {
        "number": "12",
        "name": "VIN",
        "type": "power_in",
        "description": "Power conversion input voltage; operating range 5.5-24 V; UVLO threshold 4.58 V wake-up."
      },
      {
        "number": "13",
        "name": "VREG5",
        "type": "power_out",
        "description": "5 V LDO output; supplies gate drivers up to 100 mA; switches to VO1 when VO1 > VREG5-1V."
      },
      {
        "number": "14",
        "name": "VO1",
        "type": "input",
        "description": "Feedback input for channel 1 5 V output; monitors voltage and controls VREG5 switchover and VCLK enable."
      },
      {
        "number": "15",
        "name": "DRVL1",
        "type": "output",
        "description": "Low-side driver output for channel 1 lower MOSFET."
      },
      {
        "number": "16",
        "name": "DRVH1",
        "type": "output",
        "description": "High-side driver output for channel 1 upper MOSFET."
      },
      {
        "number": "17",
        "name": "VBST1",
        "type": "power_in",
        "description": "Bootstrap supply input for channel 1 high-side gate driver; connect capacitor between VBST1 and SW1."
      },
      {
        "number": "18",
        "name": "SW1",
        "type": "output",
        "description": "Switch node for channel 1 buck converter; connects to drain of high-side MOSFET and source of low-side MOSFET."
      },
      {
        "number": "19",
        "name": "VCLK",
        "type": "output",
        "description": "260 kHz clock output for charge pump; available when EN1 is high and driven by VO1 voltage."
      },
      {
        "number": "20",
        "name": "EN1",
        "type": "input",
        "description": "Enable input for channel 1; enables SMPS when > 1.6 V, disables when < 0.3 V."
      },
      {
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Thermal pad designation: Listed as 'Thermal' in datasheet table but unnumbered; designated as 'EP' (; VBST1 and VBST2 classified as power_in rather than input based on datasheet description as 'Supply i",
          "exposed pad 21 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.1781,
        "at": "2026-10-03T03:57:16"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps51225b",
        "pages": 32,
        "sha256": "90becab25ed7799b",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-20-EP(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tps51225brukr"
  ],
  "discovery_pitch": "TPS51225BRUKR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}