TPS54394PWP

{
  "slug": "tps54394pwp",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tps54394pwp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps54394pwp.kicad_sym",
    "tps54394pwp.kicad_mod",
    "tps54394pwp.glb",
    "tps54394pwp.step",
    "tps54394pwp.lbr",
    "docs/hero.png",
    "docs/tps54394pwp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps54394pwp-hero.glb",
    "tps54394pwp-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS54394PWP",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54394",
    "parts": {
      "symbol": "tps54394pwp.kicad_sym",
      "footprint": "tps54394pwp.kicad_mod",
      "model_3d": "tps54394pwp-hero.glb",
      "model_3d_plain": "tps54394pwp.glb",
      "model_3d_step": "tps54394pwp-etched.step",
      "model_3d_step_plain": "tps54394pwp.step",
      "lbr": "tps54394pwp.lbr"
    },
    "distributor_links": {
      "lcsc": 544503,
      "digikey": "296-34790-5-ND",
      "mouser": "595-TPS54394PWP"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T22:24:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-34790-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS54394PWP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN1",
        "type": "power_in",
        "description": "Power input connecting to high-side NFET drains with input voltage 4.5V to 18V."
      },
      {
        "number": "2",
        "name": "VBST1",
        "type": "power_in",
        "description": "Bootstrap supply for high-side NFET gate driver with 0.1µF capacitor to SW1 and internal diode to VREG5."
      },
      {
        "number": "3",
        "name": "SW1",
        "type": "bidirectional",
        "description": "Switch node for high and low-side NFETs serving as current comparator input."
      },
      {
        "number": "4",
        "name": "PGND1",
        "type": "power_in",
        "description": "Ground return for low-side MOSFETs serving as current comparator input."
      },
      {
        "number": "5",
        "name": "EN1",
        "type": "input",
        "description": "Enable input; pull high to enable channel 1 with 2.0V high and 0.4V low thresholds."
      },
      {
        "number": "6",
        "name": "PG1",
        "type": "tri_state",
        "description": "Open-drain power-good output for channel 1; goes low when output voltage is out of regulation (84%-116% threshold)."
      },
      {
        "number": "7",
        "name": "VFB1",
        "type": "input",
        "description": "Feedback input for channel 1 using resistor divider connected to output voltage."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground for sensitive signal and feedback returns."
      },
      {
        "number": "9",
        "name": "VREG5",
        "type": "power_out",
        "description": "5.5V regulated output requiring 1µF minimum ceramic bypass capacitor; active when ENx high."
      },
      {
        "number": "10",
        "name": "VFB2",
        "type": "input",
        "description": "Feedback input for channel 2 using resistor divider connected to output voltage."
      },
      {
        "number": "11",
        "name": "PG2",
        "type": "tri_state",
        "description": "Open-drain power-good output for channel 2; goes low when output voltage is out of regulation (84%-116% threshold)."
      },
      {
        "number": "12",
        "name": "EN2",
        "type": "input",
        "description": "Enable input; pull high to enable channel 2 with 2.0V high and 0.4V low thresholds."
      },
      {
        "number": "13",
        "name": "PGND2",
        "type": "power_in",
        "description": "Ground return for low-side MOSFETs serving as current comparator input."
      },
      {
        "number": "14",
        "name": "SW2",
        "type": "bidirectional",
        "description": "Switch node for high and low-side NFETs serving as current comparator input."
      },
      {
        "number": "15",
        "name": "VBST2",
        "type": "power_in",
        "description": "Bootstrap supply for high-side NFET gate driver with 0.1µF capacitor to SW2 and internal diode to VREG5."
      },
      {
        "number": "16",
        "name": "VIN2",
        "type": "power_in",
        "description": "Supply input for 5.5V linear regulator with input voltage 4.5V to 18V."
      },
      {
        "number": "17",
        "name": "PowerPAD",
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 17 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1195,
        "at": "2026-10-05T22:24:10"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54394",
        "pages": 32,
        "sha256": "d048a180d36720dd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}