TPS628438DRLR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps628438drlr",
  "title": "TPS628438DRLR",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-563. 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)",
    "tps628438drlr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS628438DRLR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-563",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com.cn/cn/lit/gpn/TPS62843",
    "parts": {
      "symbol": "tps628438drlr.kicad_sym",
      "footprint": "tps628438drlr.kicad_mod",
      "model_3d": "tps628438drlr-hero.glb",
      "model_3d_plain": "tps628438drlr-etched.glb",
      "model_3d_step": "tps628438drlr-etched.step",
      "model_3d_step_plain": "tps628438drlr.step",
      "lbr": "tps628438drlr.lbr"
    },
    "distributor_links": {
      "lcsc": "C38060243"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:05:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground power pin, to be connected close to the GND terminals of the input and output capacitors."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input (1.8V to 5.5V) with a ceramic input capacitor required, placed close to this pin for noise and voltage spike suppression."
      },
      {
        "number": "3",
        "name": "VSET",
        "type": "input",
        "description": "Connect a resistor (10kΩ to 249kΩ, 1%) to GND to select the predetermined output voltage, with no more than 30pF external capacitance."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "High level enables the device and low level shuts it down (rising threshold 0.8V, falling 0.4V), with an internal pull-down resistor (about 500kΩ) disabled once the device has started, and must not exceed VIN."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Switch pin connected to the internal MOSFET switches, to which the inductor is connected."
      },
      {
        "number": "6",
        "name": "VOS",
        "type": "input",
        "description": "Output voltage sense pin for the internal feedback divider and regulation loop, which also discharges VOUT through an internal MOSFET when the converter is disabled and should connect directly to the output capacitor with a short trace."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 39,
        "cost_usd": 0.2228,
        "at": "2026-10-22T22:05:48"
      },
      "datasheet": {
        "url": "https://www.ti.com.cn/cn/lit/gpn/TPS62843",
        "pages": 39,
        "sha256": "b91bc83e2e3af5b7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps628438drlr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          1.6,
          0.63
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "76c34aa4905777c0a8abe4718019904a3a9f8343cab7cc056f4516b7ef5165fc",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps628438drlr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.6,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d3a58b344ac3f5e62a4e660591cd70a8e85d64dfdbdc8f65d2e1b650308297ff",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-563",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b91bc83e2e3af5b71e29a98204eda35b2f50204218cb6a023948db346df8e2c0",
      "rows": [
        {
          "name": "VIN pin voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SW pin voltage, DC",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "DC, max VIN+0.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SW pin voltage, transient",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2.5,
          "typ": null,
          "max": 9,
          "conditions": "transient < 10ns, while switching",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VSET pin voltage",
          "symbol": "VSET",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN pin voltage",
          "symbol": "EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VOS pin voltage",
          "symbol": "VOS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature (abs max)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "HBM, ANSI/ESDA/JEDEC JS-001",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "CDM, ANSI/ESDA/JEDEC JS-002",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Effective inductance",
          "symbol": "L",
          "kind": "recommended_operating",
          "unit": "µH",
          "min": 0.7,
          "typ": 1,
          "max": 1.2,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Effective output capacitance",
          "symbol": "COUT",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 4,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Effective input capacitance",
          "symbol": "CIN",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 0.5,
          "typ": 4.7,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "External parasitic capacitance on VSET",
          "symbol": "CVSET",
          "kind": "recommended_operating",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "RSET resistance range",
          "symbol": "RSET",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 10,
          "typ": null,
          "max": 249,
          "conditions": "E96 1% resistors on VSET pin",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "RSET E96 resistor tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "external resistor on VSET",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "E96 resistor TCR",
          "symbol": "TCR",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -200,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 138.3,
          "max": null,
          "conditions": "DRL (SOT563) 6-pin",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 57.3,
          "max": null,
          "conditions": "DRL (SOT563) 6-pin",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 24.7,
          "max": null,
          "conditions": "DRL (SOT563) 6-pin",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 1.4,
          "max": null,
          "conditions": "DRL (SOT563) 6-pin",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 24.4,
          "max": null,
          "conditions": "DRL (SOT563) 6-pin",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current (power save mode)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 275,
          "max": 1500,
          "conditions": "Non-switching, VEN = VIN, IOUT = 0µA, TJ = –40°C to 85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current, switching",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 350,
          "max": null,
          "conditions": "Switching, VEN = VIN, IOUT = 0µA, VOUT = 0.7V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 4,
          "max": 850,
          "conditions": "VEN = 0V, VSET = GND, TJ = –40°C to 85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "UVLO rising threshold",
          "symbol": "VUVLO(R)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.75,
          "max": 1.8,
          "conditions": "VIN rising, IOUT = 0µA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "UVLO falling threshold",
          "symbol": "VUVLO(F)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": 1.7,
          "conditions": "VIN falling, IOUT = 0µA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "UVLO hysteresis",
          "symbol": "VUVLO(H)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VSET input leakage current",
          "symbol": "VSET(LKG)",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": 800,
          "conditions": "TJ = -40°C to 85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VSET high-level detection",
          "symbol": "VSET(H)",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "Voltage on VSET during startup",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "RSET accuracy",
          "symbol": "RSET",
          "kind": "tolerance",
          "unit": "%",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "TJ = -20°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "RSET accuracy",
          "symbol": "RSET",
          "kind": "tolerance",
          "unit": "%",
          "min": -3.5,
          "typ": null,
          "max": 3.5,
          "conditions": "TJ = -40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN rising threshold",
          "symbol": "VEN(R)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "EN rising, switching enabled",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN falling threshold",
          "symbol": "VEN(F)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.4,
          "typ": null,
          "max": null,
          "conditions": "EN falling, switching disabled",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN input leakage current",
          "symbol": "VEN(LKG)",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 1,
          "max": 25,
          "conditions": "VEN > 0.8V, TJ = –40°C to 85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN internal pull-down resistance",
          "symbol": "REN;PD",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 425,
          "max": 500,
          "conditions": "EN pin to GND",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DC output voltage accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "PWM operation, TJ = -20°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DC output voltage accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "PWM operation, TJ = -40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output voltage range TPS628438",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 3.6,
          "conditions": "TPS628438",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VOS input leakage current TPS628438",
          "symbol": "IVOS(LKG)",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 275,
          "max": 450,
          "conditions": "TPS628438, VEN = VIN, VVOS = 3.3V, TJ = –40°C to 85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "IOUT = 400mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Soft-start time TPS628438",
          "symbol": "tSS",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 1,
          "max": 1.4,
          "conditions": "From VOUT = 0% to 95% of nominal",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN high to start of switching delay",
          "symbol": "tStartup_delay",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 330,
          "max": 560,
          "conditions": "R2D = GND",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-side MOSFET on-resistance",
          "symbol": "RDSON(HS)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 170,
          "max": 260,
          "conditions": "VIN = 3.6V, IOUT = 300mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-side MOSFET on-resistance",
          "symbol": "RDSON(LS)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 70,
          "max": 115,
          "conditions": "VIN = 3.6V, IOUT = 300mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "SW pin leakage current",
          "symbol": "ILKG_SW",
          "kind": "electrical",
          "unit": "nA",
          "min": 0,
          "typ": null,
          "max": 35,
          "conditions": "VSW = 0.7V, TJ = –40°C to 85°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "SW pin leakage current",
          "symbol": "ILKG_SW",
          "kind": "electrical",
          "unit": "nA",
          "min": 0,
          "typ": null,
          "max": 45,
          "conditions": "VSW = 1.2V, TJ = –40°C to 85°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-side peak current limit",
          "symbol": "IHS(OC)",
          "kind": "electrical",
          "unit": "A",
          "min": 0.9,
          "typ": 1.1,
          "max": 1.3,
          "conditions": "VIN ≥ 2.2V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-side valley current limit",
          "symbol": "ILS(OC)",
          "kind": "electrical",
          "unit": "A",
          "min": 0.79,
          "typ": 1,
          "max": 1.11,
          "conditions": "VIN ≥ 2.2V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output discharge resistance on VOS",
          "symbol": "RDSCH_VOS",
          "kind": "electrical",
          "unit": "Ω",
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