TPS62143RGTR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps62143rgtr",
  "title": "TPS62143RGTR",
  "brief": "Texas Instruments DC-DC Converters, TQFN-16-EP(3x3). 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)",
    "tps62143rgtr",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "TPS62143RGTR",
    "manufacturer": "Texas Instruments",
    "package": "TQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps62143.pdf",
    "parts": {
      "symbol": "tps62143rgtr.kicad_sym",
      "footprint": "tps62143rgtr.kicad_mod",
      "model_3d": "tps62143rgtr-etched.glb",
      "model_3d_plain": "tps62143rgtr.glb",
      "model_3d_step": "tps62143rgtr-etched.step",
      "model_3d_step_plain": "tps62143rgtr.step",
      "lbr": "tps62143rgtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2070702"
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Switch node connected to the internal MOSFET switches; inductor is connected between this pin and the output capacitor."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Switch node connected to the internal MOSFET switches; inductor is connected between this pin and the output capacitor."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Switch node connected to the internal MOSFET switches; inductor is connected between this pin and the output capacitor."
      },
      {
        "number": "4",
        "name": "PG",
        "type": "tri_state",
        "description": "Open-drain power good output that signals high impedance when VOUT is ready at nominal regulation and pulls low when VOUT falls below nominal threshold."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback input internally pulled down for fixed 5.0-V output version; recommend connecting to AGND for improved thermal performance."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference that must be connected directly to the exposed thermal pad and common ground plane."
      },
      {
        "number": "7",
        "name": "FSW",
        "type": "input",
        "description": "Switching frequency select input with internal pulldown; low selects ~2.5 MHz, high selects ~1.25 MHz for typical operation."
      },
      {
        "number": "8",
        "name": "DEF",
        "type": "input",
        "description": "Output voltage scaling input with internal pulldown; low selects nominal output voltage, high selects nominal output voltage plus 5%."
      },
      {
        "number": "9",
        "name": "SS/TR",
        "type": "input",
        "description": "Soft-start and tracking input where external capacitor sets the internal voltage reference rise time and enables voltage tracking and sequencing."
      },
      {
        "number": "10",
        "name": "AVIN",
        "type": "power_in",
        "description": "Supply voltage for control circuitry that must be connected to the same source as PVIN."
      },
      {
        "number": "11",
        "name": "PVIN",
        "type": "power_in",
        "description": "Supply voltage for power stage switching circuit that must be connected to the same source as AVIN."
      },
      {
        "number": "12",
        "name": "PVIN",
        "type": "power_in",
        "description": "Supply voltage for power stage switching circuit that must be connected to the same source as AVIN."
      },
      {
        "number": "13",
        "name": "EN",
        "type": "input",
        "description": "Enable input with internal ~400 kΩ pulldown resistor; high enables device operation, low or floating disables device and initiates shutdown mode."
      },
      {
        "number": "14",
        "name": "VOS",
        "type": "input",
        "description": "Output voltage sense pin for the control loop feedback that must connect to the actual VOUT at the output capacitor."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground reference that must be connected directly to the exposed thermal pad and common ground plane for proper dissipation."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground reference that must be connected directly to the exposed thermal pad and common ground plane for proper dissipation."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Exposed thermal pad (EP) must be soldered to the PCB and connected to AGND (pin 6), PGND (pins 15, 1",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 42,
        "cost_usd": 0.4744,
        "at": "2026-09-23T00:16:20"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps62143.pdf",
        "pages": 42,
        "sha256": "7151fc4cb879c36e",
        "source_tier": "mfr"
      },
      "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TQFN-16-EP(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "tps62143rgtr"
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  "discovery_pitch": "TPS62143RGTR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T12:24:11.531Z"
}