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Ray tps54331d: specified limits as data (metadata.characteristics, 38 rows from the datasheet) 7664aa5 26d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "tps54331d",
  "title": "TPS54331D",
  "brief": "Texas Instruments DC-DC Converters, SOIC-8. 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)",
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  "component": {
    "mpn": "TPS54331D",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54331",
    "parts": {
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    "distributor_links": {
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    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "output",
        "description": "Bootstrap supply output for high-side MOSFET gate drive; requires 0.1μF capacitor to PH pin; MOSFET forced off if voltage falls below 2.1V typical."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Main input power supply; operating range 3.5V to 28V, absolute maximum 30V."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Active-high enable control; device disabled at 1.25V threshold; programmable UVLO via external resistor divider."
      },
      {
        "number": "4",
        "name": "SS",
        "type": "input",
        "description": "Soft start capacitor connection; sets output ramp rate at 2μA charge current; recommended time range 1ms to 10ms with maximum 27nF capacitor."
      },
      {
        "number": "5",
        "name": "VSENSE",
        "type": "input",
        "description": "Error amplifier inverting input for output voltage feedback; compares actual output to 0.8V internal reference; maximum pull current 10μA."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input; frequency compensation network elements connected here; maximum sink current 100μA."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference terminal."
      },
      {
        "number": "8",
        "name": "PH",
        "type": "output",
        "description": "High-side MOSFET source switch node output; maximum voltage 30V, minimum -0.6V, rated 9A peak pull current."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
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        "pages_sent": 40,
        "cost_usd": 0.3441,
        "at": "2026-09-23T09:25:28"
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        "url": "https://www.ti.com/cn/lit/gpn/tps54331",
        "pages": 40,
        "sha256": "6ac89d4fddb009ba",
        "source_tier": "lcsc"
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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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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
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          "name": "Input voltage, VIN pin",
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          "name": "Input voltage, SS pin",
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          "max": 8,
          "conditions": "",
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          "name": "Output voltage, PH pin",
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          "min": -0.6,
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          "max": 30,
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        {
          "name": "PH pin transient voltage",
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          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "10 ns transient from GND to negative peak",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Source current, EN pin",
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          "kind": "absolute_maximum",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
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        {
          "name": "Source current, BOOT pin",
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          "kind": "absolute_maximum",
          "unit": "mA",
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        {
          "name": "Source current, VSENSE pin",
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          "min": null,
          "typ": null,
          "max": 10,
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        {
          "name": "Source current, PH pin",
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          "typ": null,
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          "name": "Sink current, VIN pin",
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          "name": "Sink current, COMP pin",
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        {
          "name": "Sink current, SS pin",
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          "unit": "μA",
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          "name": "ESD, human body model (HBM)",
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          "conditions": "ANSI/ESDA/JEDEC JS-001, all pins",
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          "name": "ESD, charged device model (CDM)",
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          "min": -500,
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        },
        {
          "name": "Operating input voltage at VIN pin",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.5,
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          "name": "Operating junction temperature",
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        {
          "name": "Voltage reference",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.772,
          "typ": 0.8,
          "max": 0.828,
          "conditions": "",
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        {
          "name": "Shutdown supply current",
          "symbol": "IQ(SD)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": 4,
          "conditions": "EN = 0V, VIN = 12V, -40°C to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating non-switching supply current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 110,
          "max": 190,
          "conditions": "VSENSE = 0.85V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Enable threshold, rising and falling",
          "symbol": "EN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.25,
          "typ": null,
          "max": 1.35,
          "conditions": "rising and falling",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current limit threshold",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": null,
          "max": 5.8,
          "conditions": "VIN = 12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier source and sink current",
          "symbol": "ICOMP",
          "kind": "electrical",
          "unit": "μA",
          "min": -7,
          "typ": null,
          "max": 7,
          "conditions": "V(COMP) = 1V, 100mV overdrive",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-side MOSFET on-resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 115,
          "max": 200,
          "conditions": "BOOT-PH = 3V, VIN = 3.5V",
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        {
          "name": "High-side MOSFET on-resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 80,
          "max": 150,
          "conditions": "BOOT-PH = 6V, VIN = 12V",
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        {
          "name": "Switching frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 456,
          "typ": 570,
          "max": 684,
          "conditions": "VIN = 12V, 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Minimum controllable on-time",
          "symbol": "tON(min)",
          "kind": "electrical",
          "unit": "ns",
          "min": 105,
          "typ": 130,
          "max": null,
          "conditions": "VIN = 12V, 25°C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Maximum controllable duty cycle",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": 90,
          "typ": 93,
          "max": null,
          "conditions": "BOOT-PH = 6V",
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          "name": "Junction-to-ambient thermal resistance (D package)",
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          "unit": "°C/W",
          "min": null,
          "typ": 116.3,
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        {
          "name": "Junction-to-case (top) thermal resistance (D package)",
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          "unit": "°C/W",
          "min": null,
          "typ": 53.7,
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  "author": {
    "name": "Ray",
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