TPS74401RGRR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps74401rgrr",
  "title": "TPS74401RGRR",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, VQFN-20(3.5x3.5). 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)",
    "tps74401rgrr",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "TPS74401RGRR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-20(3.5x3.5)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps74401",
    "parts": {
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      "footprint": "tps74401rgrr.kicad_mod",
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      "model_3d_plain": "tps74401rgrr.glb",
      "model_3d_step": "tps74401rgrr-etched.step",
      "model_3d_step_plain": "tps74401rgrr.step",
      "lbr": "tps74401rgrr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2860117",
      "digikey": "296-50431-2-ND",
      "mouser": "595-TPS74401RGRR"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T01:28:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-50431-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS74401RGRR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage with output range 0.8V to 3.6V."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; pin can be left floating or connected to GND for thermal contact."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; pin can be left floating or connected to GND for thermal contact."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; pin can be left floating or connected to GND for thermal contact."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input voltage (1.1V to 5.5V); input capacitor ≥1µF recommended."
      },
      {
        "number": "6",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input voltage (1.1V to 5.5V); input capacitor ≥1µF recommended."
      },
      {
        "number": "7",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input voltage (1.1V to 5.5V); input capacitor ≥1µF recommended."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input voltage (1.1V to 5.5V); input capacitor ≥1µF recommended."
      },
      {
        "number": "9",
        "name": "PG",
        "type": "output",
        "description": "Open-drain power-good active-high output indicating VOUT status; requires 10kΩ to 1MΩ pullup resistor to supply up to 5.5V."
      },
      {
        "number": "10",
        "name": "BIAS",
        "type": "power_in",
        "description": "Bias input voltage for error amplifier, reference, and internal control circuits; ≥1µF capacitor recommended (4.7µF if IN connected to BIAS)."
      },
      {
        "number": "11",
        "name": "EN",
        "type": "input",
        "description": "Enable input; driving high enables regulator, driving low puts device into shutdown mode."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return path and connection to ground plane for thermal performance."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; pin can be left floating or connected to GND for thermal contact."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; pin can be left floating or connected to GND for thermal contact."
      },
      {
        "number": "15",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start capacitor pin; capacitor connected to ground sets startup time (100µs typical if floating)."
      },
      {
        "number": "16",
        "name": "FB",
        "type": "input",
        "description": "Feedback input for external resistor divider network that sets the output voltage; must not be left floating."
      },
      {
        "number": "17",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; pin can be left floating or connected to GND for thermal contact."
      },
      {
        "number": "18",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage with output range 0.8V to 3.6V; output capacitor recommended for performance."
      },
      {
        "number": "19",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage with output range 0.8V to 3.6V; output capacitor recommended for performance."
      },
      {
        "number": "20",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage with output range 0.8V to 3.6V; output capacitor recommended for performance."
      },
      {
        "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": [
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1352,
        "at": "2026-10-07T01:28:01"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps74401",
        "pages": 50,
        "sha256": "1e27517f33e62170",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "tps74401rgrr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.52,
          3.52,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8b154227df36e189f09abe619d39118051522177ed7f78433852265c17a81020",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps74401rgrr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "sha256": "4fc664369a5a87a92f8bf15cfc801ae6d62dac16e134803160fc3915ec375ce9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-20(3.5x3.5)",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
    }
  },
  "variants": [],
  "sections": [
    "hero",
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    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "tps74401rgrr"
  ],
  "discovery_pitch": "TPS74401RGRR (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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}