TPS78411QWDRBRQ1

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps78411qwdrbrq1",
  "title": "TPS78411QWDRBRQ1",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SON-8-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)",
    "tps78411qwdrbrq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS78411QWDRBRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SON-8-EP(3x3)",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps784-q1",
    "parts": {
      "symbol": "tps78411qwdrbrq1.kicad_sym",
      "footprint": "tps78411qwdrbrq1.kicad_mod",
      "model_3d": "tps78411qwdrbrq1-hero.glb",
      "model_3d_plain": "tps78411qwdrbrq1.glb",
      "model_3d_step": "tps78411qwdrbrq1-etched.step",
      "model_3d_step_plain": "tps78411qwdrbrq1.step",
      "lbr": "tps78411qwdrbrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2861223",
      "digikey": "296-TPS78411QWDRBRQ1TR-ND",
      "mouser": "595-TPS78411QWDRBRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T15:50:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS78411QWDRBRQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS78411QWDRBRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output pin; a 0.47-µF or greater effective capacitance is required from OUT to ground for stability, and a 1-µF or larger ceramic capacitor is recommended for best transient response."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin that is not internally connected; connect to ground for best thermal performance or leave floating."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin that is not internally connected; connect to ground for best thermal performance or leave floating."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin that is not internally connected; connect to ground for best thermal performance or leave floating."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be connected to ground on the board; the thermal pad is electrically connected to this pin."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin that is not internally connected; connect to ground for best thermal performance or leave floating."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: driving it to logic high enables the device and driving it to logic low disables it; do not float this pin, and connect it to IN if not used."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin with an absolute maximum of VIN -0.3 V to 6.5 V; use the recommended ceramic capacitor from IN to ground, placed as close to the device as possible, for best transient response."
      },
      {
        "number": "9",
        "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 MPN TPS78411QWDRBRQ1 has no letter between the 'TPS784' prefix and the 'Q' suffix, so per the de; The datasheet excerpt does not state explicitly whether TPS78411 is the fixed or adjustable output o; The thermal pad has no printed pin number in the datasheet, so it is listed as 'PAD' rather than a n",
          "exposed pad 9 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0713,
        "at": "2026-10-10T15:49:56"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps784-q1",
        "pages": 56,
        "sha256": "0c6f0cf1abccc5c1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps78411qwdrbrq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cbee016fb8ee69c44b13d8818fcf65dcf240f5fdca70b22700521eb617c5311a",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps78411qwdrbrq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SON-8-EP(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0c6f0cf1abccc5c1",
      "rows": [
        {
          "name": "Supply voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Enable voltage (absolute maximum)",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (absolute maximum)",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Printed maximum is VIN + 0.3 V or 6.5 V, whichever is smaller (footnote 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature (absolute maximum)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature (absolute maximum)",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": 6,
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          "source_page": 6,
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        {
          "name": "Output voltage, fixed output (recommended)",
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          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.65,
          "typ": null,
          "max": 5,
          "conditions": "Fixed output",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input capacitor (recommended)",
          "symbol": "CIN",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 0.1,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output capacitor (recommended)",
          "symbol": "COUT",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 1,
          "typ": null,
          "max": 200,
          "conditions": "Footnote (1): minimum effective capacitance is 0.47 µF",
          "source_page": 6,
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        },
        {
          "name": "Output current (recommended)",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output capacitor ESR (recommended)",
          "symbol": "COUT,ESR",
          "kind": "recommended_operating",
          "unit": "Ω",
          "min": 0.001,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable voltage (recommended)",
          "symbol": "VEN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable toggle frequency (recommended)",
          "symbol": "FEN",
          "kind": "recommended_operating",
          "unit": "kHz",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature (recommended)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output voltage, fixed output",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.65,
          "typ": null,
          "max": 5,
          "conditions": "Fixed output",
          "source_page": 7,
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        },
        {
          "name": "Output accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "TJ = 25°C; 1 mA ≤ IOUT ≤ 300 mA; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "–40°C ≤ TJ ≤ 85°C; 1 mA ≤ IOUT ≤ 300 mA; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.7,
          "typ": null,
          "max": 1.7,
          "conditions": "–40°C ≤ TJ ≤ 150°C; 1 mA ≤ IOUT ≤ 300 mA; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "0.1 mA ≤ IOUT ≤ 300 mA; –40°C ≤ TJ ≤ 85°C",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Load regulation",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": -5,
          "typ": null,
          "max": 10,
          "conditions": "0.1 mA ≤ IOUT ≤ 300 mA; –40°C ≤ TJ ≤ 150°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load transient response overshoot, undershoot",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "%VOUT",
          "min": -2,
          "typ": null,
          "max": null,
          "conditions": "IOUT = 90 mA to 210 mA; tR = tF = 1 µs, COUT = 10 µF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load transient response overshoot, undershoot",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "%VOUT",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "IOUT = 210 mA to 90 mA; tR = tF = 1 µs, COUT = 10 µF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load transient response overshoot, undershoot",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "%VOUT",
          "min": -10,
          "typ": null,
          "max": null,
          "conditions": "IOUT = 0 mA to 300 mA; tR = tF = 1 µs, COUT = 10 µF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": 15,
          "typ": 25,
          "max": 30,
          "conditions": "IOUT = 0 mA; TJ = 25°C; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 33,
          "conditions": "IOUT = 0 mA; –40°C ≤ TJ ≤ 85°C; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "IOUT = 0 mA; –40°C ≤ TJ ≤ 150°C; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 33,
          "max": 43,
          "conditions": "IOUT = 500 µA; TJ = 25°C; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "IOUT = 500 µA; –40°C ≤ TJ ≤ 85°C; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 48,
          "conditions": "IOUT = 500 µA; –40°C ≤ TJ ≤ 150°C; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 0.05,
          "conditions": "VEN ≤ 0.3 V; TJ = 25°C; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.25,
          "conditions": "VEN ≤ 0.3 V; –40°C ≤ TJ ≤ 85°C; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Shutdown current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "VEN ≤ 0.3 V; –40°C ≤ TJ ≤ 150°C; VOUT(nom) + 0.5 V or 1.65 V (whichever is greater) ≤ VIN ≤ 6.0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output current limit",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "mA",
          "min": 320,
          "typ": 420,
          "max": null,
          "conditions": "VIN = VOUT(nom) + 1 V, VOUT = 0.9 x VOUT(nom)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 775,
          "conditions": "IOUT = 300 mA, VOUT = 0.95 x VOUT(nom); 0.8 V ≤ VOUT < 1.2 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "UVLO threshold, VIN rising",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 1.32,
          "typ": 1.42,
          "max": 1.6,
          "conditions": "VIN rising",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "UVLO threshold, VIN falling",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 1.17,
          "typ": 1.29,
          "max": 1.42,
          "conditions": "VIN falling",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Start-up time",
          "symbol": "tSTR",
          "kind": "timing",
          "unit": "µs",
          "min": 280,
          "typ": 500,
          "max": 780,
          "conditions": "From EN low-to-high transition to VOUT = VOUT(nom) x 95%",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN pin logic high voltage",
          "symbol": "VEN(HI)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.85,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "EN pin logic low voltage",
          "symbol": "VEN(LOW)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.425,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Enable pin current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VIN = VEN = 6.0 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (DRB VSON)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 61.8,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance (DRB VSON)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 74.1,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance (DRB VSON)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 34.3,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter (DRB VSON)",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 6.2,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter (DRB VSON)",
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