TPS54110PWP

{
  "slug": "tps54110pwp",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tps54110pwp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
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    "README.md",
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    "tps54110pwp.step",
    "tps54110pwp.lbr",
    "docs/hero.png",
    "docs/tps54110pwp-datasheet.pdf",
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    "viewers/footprint.html",
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    "tps54110pwp-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS54110PWP",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-20-EP",
    "pin_count": 21,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54110",
    "parts": {
      "symbol": "tps54110pwp.kicad_sym",
      "footprint": "tps54110pwp.kicad_mod",
      "model_3d": "tps54110pwp-hero.glb",
      "model_3d_plain": "tps54110pwp.glb",
      "model_3d_step": "tps54110pwp-etched.step",
      "model_3d_step_plain": "tps54110pwp.step",
      "lbr": "tps54110pwp.lbr"
    },
    "distributor_links": {
      "lcsc": "C1355492",
      "digikey": "296-17086-ND",
      "mouser": "595-TPS54110PWP"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T03:50:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-17086-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-TPS54110PWP",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground internally connected to the sensitive analog-ground circuitry; connect to PGND and PowerPAD."
      },
      {
        "number": "2",
        "name": "VSENSE",
        "type": "input",
        "description": "Error amplifier inverting input."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output; connect compensation network from COMP to VSENSE."
      },
      {
        "number": "4",
        "name": "PWRGD",
        "type": "output",
        "description": "Power-good open drain output that is high when VSENSE ≥ 93% Vref, otherwise 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 to generate floating drive for high-side FET driver."
      },
      {
        "number": "6",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase node; junction of the internal high and low-side power MOSFETs and output inductor."
      },
      {
        "number": "7",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase node; junction of the internal high and low-side power MOSFETs and output inductor."
      },
      {
        "number": "8",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase node; junction of the internal high and low-side power MOSFETs and output inductor."
      },
      {
        "number": "9",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase node; junction of the internal high and low-side power MOSFETs and output inductor."
      },
      {
        "number": "10",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase node; junction of the internal high and low-side power MOSFETs and output inductor."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; high current return for the low-side driver and power MOSFET with large copper areas to input and output supply returns and negative terminals of capacitors; connect to AGND and PowerPAD."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; high current return for the low-side driver and power MOSFET with large copper areas to input and output supply returns and negative terminals of capacitors; connect to AGND and PowerPAD."
      },
      {
        "number": "13",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; high current return for the low-side driver and power MOSFET with large copper areas to input and output supply returns and negative terminals of capacitors; connect to AGND and PowerPAD."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for the power MOSFET switches and internal bias regulator; bypass to PGND close to device package with 1-µF to 10-µF 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 device package with 1-µF to 10-µF 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 device package 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 and bypass to AGND with high quality, low ESR 0.1-µF to 1-µF ceramic capacitor."
      },
      {
        "number": "18",
        "name": "SS/ENA",
        "type": "bidirectional",
        "description": "Slow-start/enable input/output; dual-function pin providing logic input to enable/disable device operation and capacitor input to externally set the start-up time."
      },
      {
        "number": "19",
        "name": "SYNC",
        "type": "input",
        "description": "Synchronization input; dual-function pin providing logic input to synchronize to an external oscillator or pin select between two internally set switching frequencies with required resistor connection to RT pin."
      },
      {
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1327,
        "at": "2026-10-06T03:50:04"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54110",
        "pages": 37,
        "sha256": "36399588e3462175",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}