TPS54316PWPR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps54316pwpr",
  "title": "TPS54316PWPR",
  "brief": "Texas Instruments DC-DC Converters, HTSSOP-20-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": [
    "component",
    "power management (pmic)",
    "tps54316pwpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS54316PWPR",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-20-EP",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54316",
    "parts": {
      "symbol": "tps54316pwpr.kicad_sym",
      "footprint": "tps54316pwpr.kicad_mod",
      "model_3d": "tps54316pwpr-hero.glb",
      "model_3d_plain": "tps54316pwpr.glb",
      "model_3d_step": "tps54316pwpr-etched.step",
      "model_3d_step_plain": "tps54316pwpr.step",
      "lbr": "tps54316pwpr.lbr"
    },
    "distributor_links": {
      "lcsc": 477926,
      "digikey": "296-26990-2-ND",
      "mouser": "595-TPS54316PWPR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T19:44:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-26990-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS54316PWPR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground return for compensation network, output divider, slow-start capacitor, VBIAS capacitor, RT resistor, and PowerPAD connection."
      },
      {
        "number": "2",
        "name": "VSENSE",
        "type": "input",
        "description": "Error amplifier inverting input; connect directly to output voltage sense point."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "PWRGD",
        "type": "output",
        "description": "Powergood open-drain output; high impedance when VSENSE ≥ 90% Vref, otherwise low; output is low when SS/ENA is low or internal shutdown signal is active."
      },
      {
        "number": "5",
        "name": "BOOT",
        "type": "input",
        "description": "Bootstrap input; connect 0.022-µF to 0.1-µF low-ESR capacitor from BOOT to PH for high-side FET driver."
      },
      {
        "number": "6",
        "name": "PH",
        "type": "output",
        "description": "Phase node; junction of internal high-side and low-side power MOSFETs and output inductor."
      },
      {
        "number": "7",
        "name": "PH",
        "type": "output",
        "description": "Phase node; junction of internal high-side and low-side power MOSFETs and output inductor."
      },
      {
        "number": "8",
        "name": "PH",
        "type": "output",
        "description": "Phase node; junction of internal high-side and low-side power MOSFETs and output inductor."
      },
      {
        "number": "9",
        "name": "PH",
        "type": "output",
        "description": "Phase node; junction of internal high-side and low-side power MOSFETs and output inductor."
      },
      {
        "number": "10",
        "name": "PH",
        "type": "output",
        "description": "Phase node; junction of internal high-side and low-side power MOSFETs and output inductor."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; high current return for low-side driver and power MOSFET; connect with large copper areas to input and output supply returns."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; high current return for low-side driver and power MOSFET; connect with large copper areas to input and output supply returns."
      },
      {
        "number": "13",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; high current return for low-side driver and power MOSFET; connect with large copper areas to input and output supply returns."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for power MOSFET switches and internal bias regulator; bypass to PGND with 1-µF to 10-µF ceramic capacitor."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for power MOSFET switches and internal bias regulator; bypass to PGND with 1-µF to 10-µF ceramic capacitor."
      },
      {
        "number": "16",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for power MOSFET switches and internal bias regulator; bypass to PGND with 1-µF to 10-µF ceramic capacitor."
      },
      {
        "number": "17",
        "name": "VBIAS",
        "type": "power_out",
        "description": "Internal bias regulator output; supplies regulated voltage to internal circuitry; bypass to AGND with 0.1-µF to 1.0-µF ceramic capacitor."
      },
      {
        "number": "18",
        "name": "SS/ENA",
        "type": "input",
        "description": "Slow-start/enable input; provides logic input to enable/disable device operation and capacitor connection point to externally set start-up time."
      },
      {
        "number": "19",
        "name": "FSEL",
        "type": "input",
        "description": "Frequency select input; provides logic input to select between two internally set switching frequencies."
      },
      {
        "number": "20",
        "name": "RT",
        "type": "input",
        "description": "Frequency setting resistor input; connect resistor from RT to AGND to set switching frequency."
      },
      {
        "number": "21",
        "name": "EP",
        "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": [
          "extractor flagged: Package designation mismatch: Provided hint states HTSSOP-20-EP, but datasheet specifies HTSSOP-20 P",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.1532,
        "at": "2026-10-05T19:43:53"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54316",
        "pages": 31,
        "sha256": "877a5f0bc56ab487",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-20-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tps54316pwpr"
  ],
  "discovery_pitch": "TPS54316PWPR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "tps54316pwpr.step",
    "tps54316pwpr.lbr",
    "docs/hero.png",
    "docs/tps54316pwpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps54316pwpr-hero.glb",
    "tps54316pwpr-hero.overlay.json"
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  "visibility": {
    "public": true
  }
}