TPS54316MPWPREP

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps54316mpwprep",
  "title": "TPS54316MPWPREP",
  "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)",
    "tps54316mpwprep",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS54316MPWPREP",
    "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-ep",
    "parts": {
      "symbol": "tps54316mpwprep.kicad_sym",
      "footprint": "tps54316mpwprep.kicad_mod",
      "model_3d": "tps54316mpwprep-hero.glb",
      "model_3d_plain": "tps54316mpwprep.glb",
      "model_3d_step": "tps54316mpwprep-etched.step",
      "model_3d_step_plain": "tps54316mpwprep.step",
      "lbr": "tps54316mpwprep.lbr"
    },
    "distributor_links": {
      "lcsc": "C2865167",
      "digikey": "296-22455-2-ND",
      "mouser": "595-TPS54316MPWPREP"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T11:06:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-22455-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS54316MPWPREP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground and return for the compensation network, output divider, slow-start capacitor, VBIAS capacitor, RT resistor and FSEL pin; the PowerPAD must be connected to AGND."
      },
      {
        "number": "2",
        "name": "VSENSE",
        "type": "input",
        "description": "Error amplifier inverting input that connects directly to the output voltage sense point."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "PWRGD",
        "type": "output",
        "description": "Open-drain power good output that is high impedance when VSENSE is at or above 90% of Vref and is otherwise low, including when SS/ENA is low or internal shutdown is active."
      },
      {
        "number": "5",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap input; a 0.022-µF to 0.1-µF low-ESR capacitor connected from BOOT to PH generates the floating drive for the high-side FET driver."
      },
      {
        "number": "6",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase input/output at the junction of the internal high- and low-side power MOSFETs and the output inductor."
      },
      {
        "number": "7",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase input/output at the junction of the internal high- and low-side power MOSFETs and the output inductor."
      },
      {
        "number": "8",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase input/output at the junction of the internal high- and low-side power MOSFETs and the output inductor."
      },
      {
        "number": "9",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase input/output at the junction of the internal high- and low-side power MOSFETs and the output inductor."
      },
      {
        "number": "10",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase input/output at the junction of the internal high- and low-side power MOSFETs and the output inductor."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground and high-current return for the low-side driver and power MOSFET; connect with large copper areas to the input and output supply returns and capacitor negative terminals."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground and high-current return for the low-side driver and power MOSFET; connect with large copper areas to the input and output supply returns and capacitor negative terminals."
      },
      {
        "number": "13",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground and high-current return for the low-side driver and power MOSFET; connect with large copper areas to the input and output supply returns and capacitor negative terminals."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for the power MOSFET switches and internal bias regulator; bypass to PGND close to the package with a 1-µF to 10-µF low-ESR ceramic capacitor."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for the power MOSFET switches and internal bias regulator; bypass to PGND close to the package with a 1-µF to 10-µF low-ESR ceramic capacitor."
      },
      {
        "number": "16",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for the power MOSFET switches and internal bias regulator; bypass to PGND close to the package with a 1-µF to 10-µF low-ESR ceramic capacitor."
      },
      {
        "number": "17",
        "name": "VBIAS",
        "type": "power_out",
        "description": "Internal bias regulator output supplying internal circuitry; bypass to AGND with a high-quality, low-ESR 0.1-µF to 1-µF ceramic capacitor."
      },
      {
        "number": "18",
        "name": "SS/ENA",
        "type": "bidirectional",
        "description": "Dual-function slow-start/enable pin that provides the logic input to enable or disable operation and the capacitor input that sets the start-up time."
      },
      {
        "number": "19",
        "name": "FSEL",
        "type": "input",
        "description": "Frequency select logic input that selects between two internally set switching frequencies."
      },
      {
        "number": "20",
        "name": "RT",
        "type": "input",
        "description": "Frequency setting resistor input; connect a resistor from RT to AGND to set the switching frequency fs."
      },
      {
        "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-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The exposed thermal pad (PowerPAD) of the HTSSOP package is not given a pin number in the extracted ; The pinout is taken from the TPS54311-EP to TPS54316-EP family datasheet, which covers the PWP packa",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0611,
        "at": "2026-10-11T11:06:07"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54316-ep",
        "pages": 22,
        "sha256": "33d2837b152fe8e7",
        "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"
    },
    "models_3d": [
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        "file": "tps54316mpwprep.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.41,
          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c241aa97736f435b1b87d925abafc452eba4aa094a83d6dce5d1bc62351d3d60",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps54316mpwprep-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fe80f10f31548715a20c62ae0f0292b72cf76cb66ec0c31d75cd5d6b24e70577",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-20-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tps54316mpwprep"
  ],
  "discovery_pitch": "TPS54316MPWPREP (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "type": "image",
    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}