TPS5432DDAR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps5432ddar",
  "title": "TPS5432DDAR",
  "brief": "Texas Instruments DC-DC Converters, HSOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "tps5432ddar",
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  "component": {
    "mpn": "TPS5432DDAR",
    "manufacturer": "Texas Instruments",
    "package": "HSOP-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps5432",
    "parts": {
      "symbol": "tps5432ddar.kicad_sym",
      "footprint": "tps5432ddar.kicad_mod",
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      "lbr": "tps5432ddar.lbr"
    },
    "distributor_links": {
      "lcsc": "C122691"
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "output",
        "description": "Bootstrap supply pin for high-side MOSFET gate drive; requires 0.1µF ceramic capacitor (X7R/X5R, ≥10V rating) connected between BOOT and PH."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input for control circuitry and power converter switches; operating range 2.95V to 6V."
      },
      {
        "number": "3",
        "name": "PH",
        "type": "output",
        "description": "Phase switching node; source of high-side MOSFET and drain of low-side synchronous rectifier MOSFET."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; must be electrically connected directly to exposed thermal pad for proper operation."
      },
      {
        "number": "5",
        "name": "VSENSE",
        "type": "input",
        "description": "Inverting input node to transconductance error amplifier; connected to output voltage feedback network via external resistor divider."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and input to output switch current comparator; frequency compensation network connected to this pin."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable control input with internal pull-up current source; pull to ground to disable switching and reduce quiescent current to ≤5µA."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "input",
        "description": "Slow start control input; external capacitor to ground sets the output voltage rise time during power-up."
      },
      {
        "number": "9",
        "name": "THERMAL PAD",
        "type": "power_in",
        "description": "Exposed ground pad for thermal management; must be connected to internal PCB ground plane using multiple vias for proper thermal performance."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 33,
        "cost_usd": 0.3147,
        "at": "2026-09-22T21:36:02"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps5432",
        "pages": 33,
        "sha256": "e71b7195621bdd29",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "tps5432ddar.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
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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": "HSOP-8-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
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        {
          "name": "Input voltage BOOT (PH + 7)",
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        {
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        {
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        {
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        {
          "name": "Source current EN",
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          "unit": "µA",
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        {
          "name": "Sink current COMP",
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        {
          "name": "Electrostatic discharge (HBM)",
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          "conditions": "QSS 009-105 (JESD22-A114A)",
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          "conditions": "TJ = –40°C to 125°C",
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          "conditions": "No load, Vin = 5 V, no switching, Vsense = 1 V, 25°C",
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          "name": "Input UVLO threshold",
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        {
          "name": "Enable threshold",
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          "name": "Enable threshold",
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          "name": "Voltage reference",
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        {
          "name": "H.S switch resistance",
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          "conditions": "BOOT-PH = 5 V, TJ = 25°C",
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          "name": "L.S switch resistance",
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          "conditions": "Vin = 5 V, TJ = 25°C",
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          "name": "H.S switch resistance",
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          "name": "L.S switch resistance",
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          "conditions": "Vin = 2.95 V, TJ = 25°C",
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        {
          "name": "High side current limit (I max)",
          "symbol": "I max",
          "kind": "electrical",
          "unit": "A",
          "min": 3.8,
          "typ": 5.7,
          "max": 7,
          "conditions": "Vin = 3.3 V, duty cycle = 100%",
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        {
          "name": "Low side current limit (I max)",
          "symbol": "I max",
          "kind": "electrical",
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          "name": "Thermal shutdown",
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        {
          "name": "Switching frequency",
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          "name": "Minimum on time",
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          "conditions": "Vin = 5 V; Measured at 50% points on PH, Iout = 3 A",
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          "name": "Error amp source/sink",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "V(COMP) = 1 V, 100 mV overdrive",
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        {
          "name": "UVLO hysteresis",
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        {
          "name": "Input current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": -4.6,
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          "conditions": "Enable threshold +50 mV",
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        {
          "name": "Input current",
          "symbol": "",
          "kind": "electrical",
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          "typ": -1.2,
          "max": null,
          "conditions": "Enable threshold –50 mV",
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        {
          "name": "Error amp transconductance (gm)",
          "symbol": "gm",
          "kind": "electrical",
          "unit": "µmho",
          "min": null,
          "typ": 245,
          "max": null,
          "conditions": "–2 µA < ICOMP < 2 µA, V(COMP) = 1 V",
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          "name": "Error amp transconductance (gm) during soft start",
          "symbol": "gm",
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          "conditions": "–2 µA < ICOMP < 2 µA, V(COMP) = 1 V, Vsense = 0.3 V",
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          "name": "COMP to Iph gm",
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          "conditions": "Vin = 5 V, Iph1 = (0.5 or 1A) and Iph2 = 3 A",
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          "name": "Vsense voltage for Fs foldback 50% frequency",
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          "name": "Vsense voltage for Fs foldback 25% frequency",
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          "name": "OT hysteresis",
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          "name": "Minimum off time",
          "symbol": "",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "Prior to skipping off pulses, BOOT-PH = 2.95 V, Iout = 3 A",
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          "name": "Rise/Fall time",
          "symbol": "",
          "kind": "electrical",
          "unit": "V/ns",
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          "typ": 1.5,
          "max": null,
          "conditions": "Vin = 5 V, Io = 0 A",
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        {
          "name": "Boot recharge FET resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "Vin = 5 V",
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          "name": "Boot UVLO",
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          "conditions": "Vin = 2.95 V",
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        {
          "name": "Slow start charge current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "Vss = 0.4 V",
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        {
          "name": "Junction-to-ambient thermal resistance (θJA)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 42.1,
          "max": null,
          "conditions": "DDA (8 pins)",
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        {
          "name": "Junction-to-case (top) thermal resistance (θJCtop)",
          "symbol": "θJCtop",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50.9,
          "max": null,
          "conditions": "DDA (8 pins)",
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        {
          "name": "Junction-to-board thermal resistance (θJB)",
          "symbol": "θJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 31.8,
          "max": null,
          "conditions": "DDA (8 pins)",
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        },
        {
          "name": "Junction-to-top characterization parameter (ψJT)",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "DDA (8 pins)",
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        {
          "name": "Junction-to-board characterization parameter (ψJB)",
          "symbol": "ψJB",
          "kind": "thermal",
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          "min": null,
          "typ": 13.5,
          "max": null,
          "conditions": "DDA (8 pins)",
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        {
          "name": "Junction-to-case (bottom) thermal resistance (θJCbot)",
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          "kind": "thermal",
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          "min": null,
          "typ": 7.1,
          "max": null,
          "conditions": "DDA (8 pins)",
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