TPS5420DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps5420dr",
  "title": "TPS5420DR",
  "brief": "Texas Instruments DC-DC Converters, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "tps5420dr"
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  "component": {
    "mpn": "TPS5420DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps5420.pdf",
    "parts": {
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      "footprint": "tps5420dr.kicad_mod",
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      "lbr": "tps5420dr.lbr"
    },
    "distributor_links": {
      "digikey": "296-31984-2-ND",
      "lcsc": "C10111"
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "passive",
        "description": "Boost capacitor pin for the high-side FET gate driver. Connect a 0.01µF low-ESR ceramic capacitor from BOOT to PH to provide gate drive above VIN."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "4",
        "name": "VSENSE",
        "type": "input",
        "description": "Feedback voltage input for the regulator error amplifier. Connect to the output voltage divider; regulates to VFB = 1.221V typical (adjustable output down to 1.22V)."
      },
      {
        "number": "5",
        "name": "ENA",
        "type": "input",
        "description": "Active-high enable / on-off control. Below 0.5V the device stops switching; above 1.3V the device starts switching. Internally pulled up via a 1.5MΩ resistor so the pin may be left floating; do not connect through a resistor to ground."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground return."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, 5.5V to 36V (40V absolute max). Bypass with a high-quality low-ESR ceramic capacitor placed within 1mm of VIN and GND."
      },
      {
        "number": "8",
        "name": "PH",
        "type": "power_out",
        "description": "Phase / switch node - source of the high-side power MOSFET. Connect to the external inductor and catch (Schottky) diode. Delivers up to 2A continuous (3A peak); on-resistance 110mΩ typical."
      }
    ],
    "provenance": {
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        "pages": 35,
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        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
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          6,
          4.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "PMIC",
      "Pins": "8"
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          "name": "Operating virtual junction temperature TJ",
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          "name": "Storage temperature",
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        {
          "name": "ESD Human-body model (HBM)",
          "symbol": "V(ESD)",
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          "unit": "V",
          "min": -2000,
          "typ": null,
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          "conditions": "Per ANSI/ESDA/JEDEC JS-001",
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        {
          "name": "ESD Charged-device model (CDM)",
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        {
          "name": "Input voltage range",
          "symbol": "",
          "kind": "recommended_operating",
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          "min": 5.5,
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          "name": "Operating junction temperature",
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        {
          "name": "VIN quiescent current",
          "symbol": "IQ(VIN)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 4.4,
          "conditions": "Non-switching, VSENSE = 2V, PH pin open",
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        },
        {
          "name": "VIN shutdown supply current",
          "symbol": "ISD(VIN)",
          "kind": "electrical",
          "unit": "µA",
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          "max": 50,
          "conditions": "Shutdown, ENA = 0V",
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        },
        {
          "name": "VIN UVLO rising threshold",
          "symbol": "VINUVLO(R)",
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          "unit": "V",
          "min": null,
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          "max": 5.5,
          "conditions": "VVIN rising",
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        },
        {
          "name": "FB voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.202,
          "typ": 1.221,
          "max": 1.239,
          "conditions": "TJ = 25°C",
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        },
        {
          "name": "FB voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.196,
          "typ": 1.221,
          "max": 1.245,
          "conditions": "TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 400,
          "typ": 500,
          "max": 600,
          "conditions": "",
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        {
          "name": "Minimum ON pulse width",
          "symbol": "tON(min)",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 150,
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        {
          "name": "Maximum duty cycle",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 85,
          "max": 89,
          "conditions": "fSW = 500kHz",
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        {
          "name": "Internal slow-start time (0 to 100%)",
          "symbol": "tSS",
          "kind": "electrical",
          "unit": "ms",
          "min": 6.6,
          "typ": 8,
          "max": 10,
          "conditions": "",
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        },
        {
          "name": "High-side peak current limit",
          "symbol": "IHS(OC)",
          "kind": "electrical",
          "unit": "A",
          "min": 3,
          "typ": 4,
          "max": 5,
          "conditions": "",
          "source_page": 5,
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        {
          "name": "Hiccup time before re-start",
          "symbol": "",
          "kind": "electrical",
          "unit": "ms",
          "min": 13,
          "typ": 16,
          "max": 20,
          "conditions": "",
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        {
          "name": "High-side MOSFET on-resistance",
          "symbol": "RDSON(HS)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 100,
          "max": 230,
          "conditions": "VIN = 12V, VBOOT-SW = 4.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown threshold",
          "symbol": "TJ(SD)",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 135,
          "max": 162,
          "conditions": "Temperature rising",
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        {
          "name": "VIN UVLO hysteresis",
          "symbol": "VINUVLO(H)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.35,
          "max": null,
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        },
        {
          "name": "ENA voltage rising threshold",
          "symbol": "VEN(R)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": null,
          "conditions": "",
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        {
          "name": "ENA voltage falling threshold",
          "symbol": "VEN(F)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "ENA voltage hysteresis",
          "symbol": "VEN(H)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 325,
          "max": null,
          "conditions": "",
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          "name": "High-side MOSFET on-resistance",
          "symbol": "RDSON(HS)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 125,
          "max": null,
          "conditions": "VIN = 5.5V, VBOOT-SW = 4.0V",
          "source_page": 5,
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        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "TJ(HYS)",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 14,
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        {
          "name": "Junction-to-ambient thermal resistance (Custom Board)",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 75,
          "max": null,
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          "source_page": 4,
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          "name": "Junction-to-ambient thermal resistance (JESD 51-7)",
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          "unit": "°C/W",
          "min": null,
          "typ": 106,
          "max": null,
          "conditions": "JESD 51-7, 4-layer JEDEC board",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
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          "typ": 54,
          "max": null,
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          "name": "Junction-to-board thermal resistance",
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          "typ": 55,
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        {
          "name": "Junction-to-top characterization parameter",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 15,
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          "name": "Junction-to-board characterization parameter",
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          "typ": 56,
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