TPS74401KTWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps74401ktwr",
  "title": "TPS74401KTWR",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263-7. 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)",
    "tps74401ktwr",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "TPS74401KTWR",
    "manufacturer": "Texas Instruments",
    "package": "TO-263-7",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps74401",
    "parts": {
      "symbol": "tps74401ktwr.kicad_sym",
      "footprint": "tps74401ktwr.kicad_mod",
      "model_3d": "tps74401ktwr-etched.glb",
      "model_3d_plain": "tps74401ktwr.glb",
      "model_3d_step": "tps74401ktwr-etched.step",
      "model_3d_step_plain": "tps74401ktwr.step",
      "lbr": "tps74401ktwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C57926"
    },
    "pins": [
      {
        "number": "1",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start capacitor pin where an external capacitor to ground sets the output ramp-up time, with 100µs typical time if left floating."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Feedback input connected to external resistor divider network that sets the output voltage, and must not be left floating."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "Regulated output voltage pin; no capacitor required for stability but recommended for excellent transient response."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection pin."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input supply pin; 1µF or greater input capacitor recommended for best performance."
      },
      {
        "number": "6",
        "name": "BIAS",
        "type": "power_in",
        "description": "Bias supply voltage pin powering internal error amplifier, reference, and control circuits with 1µF minimum capacitor (4.7µF if connected to IN)."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input pin where voltage above 1.1V enables the regulator and below 0.4V disables to shutdown mode, must not float."
      },
      {
        "number": "8",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 8 added from the footprint"
        ],
        "pages_sent": 50,
        "cost_usd": 0.43,
        "at": "2026-09-24T08:06:40"
      },
      "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": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "tps74401ktwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "34b8121b216e7b6490402befe573a69b06919acafd33d6e8da88bd238574da52",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps74401ktwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bffddb5e092c6e5846b52eab486b0be8d7e3af0469cda988937087098710ec4f",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TO-263-7",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "tps74401ktwr"
  ],
  "discovery_pitch": "TPS74401KTWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}