TPS51124RGER

{
  "slug": "tps51124rger",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps51124rger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps51124rger.kicad_sym",
    "tps51124rger.kicad_mod",
    "tps51124rger.glb",
    "tps51124rger.step",
    "tps51124rger.lbr",
    "docs/hero.png",
    "docs/tps51124rger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps51124rger-hero.glb",
    "tps51124rger-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS51124RGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps51124",
    "parts": {
      "symbol": "tps51124rger.kicad_sym",
      "footprint": "tps51124rger.kicad_mod",
      "model_3d": "tps51124rger-hero.glb",
      "model_3d_plain": "tps51124rger.glb",
      "model_3d_step": "tps51124rger-etched.step",
      "model_3d_step_plain": "tps51124rger.step",
      "lbr": "tps51124rger.lbr"
    },
    "distributor_links": {
      "lcsc": "C51385",
      "digikey": "296-26976-2-ND",
      "mouser": "595-TPS51124RGER"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T07:32:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-26976-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS51124RGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VO1",
        "type": "input",
        "description": "Channel 1 output connection for feedback and discharge control."
      },
      {
        "number": "2",
        "name": "VFB1",
        "type": "input",
        "description": "Channel 1 voltage feedback input; connect with resistor divider from output to GND."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground reference for control circuit."
      },
      {
        "number": "4",
        "name": "TONSEL",
        "type": "input",
        "description": "On-time frequency selection input pin."
      },
      {
        "number": "5",
        "name": "VFB2",
        "type": "input",
        "description": "Channel 2 voltage feedback input; connect with resistor divider from output to GND."
      },
      {
        "number": "6",
        "name": "VO2",
        "type": "input",
        "description": "Channel 2 output connection for feedback and discharge control."
      },
      {
        "number": "7",
        "name": "PGOOD2",
        "type": "output",
        "description": "Channel 2 power-good open-drain output (5 mA capability); goes high 0.5 ms after VFB within limits and low within 10 μs on fault."
      },
      {
        "number": "8",
        "name": "EN2",
        "type": "input",
        "description": "Channel 2 enable input; connect to 5 V or 3.3 V to turn on SMPS."
      },
      {
        "number": "9",
        "name": "VBST2",
        "type": "power_in",
        "description": "Channel 2 high-side driver boost supply with internal PN diode from V5IN; connect capacitor to LL2."
      },
      {
        "number": "10",
        "name": "DRVH2",
        "type": "output",
        "description": "Channel 2 high-side gate driver output with floating reference to LL2; gate voltage defined by VBST2 to LL2 capacitor."
      },
      {
        "number": "11",
        "name": "LL2",
        "type": "bidirectional",
        "description": "Channel 2 switch node connection for high-side driver return; serves as feedback to current comparators and on-time control."
      },
      {
        "number": "12",
        "name": "DRVL2",
        "type": "output",
        "description": "Channel 2 low-side gate driver output referenced to PGND; gate voltage defined by V5IN."
      },
      {
        "number": "13",
        "name": "PGND2",
        "type": "power_in",
        "description": "Channel 2 power ground return for low-side drivers and current comparator input; output discharge current flows through this pin."
      },
      {
        "number": "14",
        "name": "TRIP2",
        "type": "input",
        "description": "Channel 2 overcurrent trip threshold input; connect resistor to GND to set RDS(on) sense voltage."
      },
      {
        "number": "15",
        "name": "V5FILT",
        "type": "power_in",
        "description": "Filtered 5 V supply for control circuit except gate drivers; connect RC low-pass filter from V5IN."
      },
      {
        "number": "16",
        "name": "V5IN",
        "type": "power_in",
        "description": "5 V supply for FET gate drivers from 4.5 V to 5.5 V; internally connected to VBSTx via PN diodes."
      },
      {
        "number": "17",
        "name": "TRIP1",
        "type": "input",
        "description": "Channel 1 overcurrent trip threshold input; connect resistor to GND to set RDS(on) sense voltage."
      },
      {
        "number": "18",
        "name": "PGND1",
        "type": "power_in",
        "description": "Channel 1 power ground return for low-side drivers and current comparator input; output discharge current flows through this pin."
      },
      {
        "number": "19",
        "name": "DRVL1",
        "type": "output",
        "description": "Channel 1 low-side gate driver output referenced to PGND; gate voltage defined by V5IN."
      },
      {
        "number": "20",
        "name": "LL1",
        "type": "bidirectional",
        "description": "Channel 1 switch node connection for high-side driver return; serves as feedback to current comparators and on-time control."
      },
      {
        "number": "21",
        "name": "DRVH1",
        "type": "output",
        "description": "Channel 1 high-side gate driver output with floating reference to LL1; gate voltage defined by VBST1 to LL1 capacitor."
      },
      {
        "number": "22",
        "name": "VBST1",
        "type": "power_in",
        "description": "Channel 1 high-side driver boost supply with internal PN diode from V5IN; connect capacitor to LL1."
      },
      {
        "number": "23",
        "name": "EN1",
        "type": "input",
        "description": "Channel 1 enable input; connect to 5 V or 3.3 V to turn on SMPS."
      },
      {
        "number": "24",
        "name": "PGOOD1",
        "type": "output",
        "description": "Channel 1 power-good open-drain output (5 mA capability); goes high 0.5 ms after VFB within limits and low within 10 μs on fault."
      },
      {
        "number": "25",
        "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 25 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.1334,
        "at": "2026-10-07T07:32:37"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps51124",
        "pages": 29,
        "sha256": "d4b93b07db96842d",
        "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": "tps51124rger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps51124rger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6973ec42739dca62ea0f5764235c287ceb87f63c760449c9464bf9d809215b66",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}