TPS62152

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps62152",
  "title": "TPS62152",
  "brief": "TI 1 A synchronous step-down converter, VQFN-16. 3-17 V in, adjustable frequency, power-good. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power",
    "buck-converter",
    "switching-regulator",
    "dc-dc",
    "vqfn-16",
    "texas-instruments"
  ],
  "component": {
    "mpn": "TPS62152",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-16",
    "pin_count": 17,
    "category": "Power Management",
    "subcategory": "Switching regulator (buck)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps62152.pdf",
    "parts": {
      "symbol": "tps62152.kicad_sym",
      "footprint": "tps62152.kicad_mod",
      "model_3d": "tps62152-etched.glb",
      "model_3d_plain": "tps62152.glb",
      "model_3d_step": "tps62152-etched.step",
      "model_3d_step_plain": "tps62152.step",
      "lbr": "tps62152.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Switch node connected to the internal high-side and low-side MOSFETs. Connect the external inductor between SW and the output capacitor. Pins 1, 2, 3 are tied internally and must be shorted together on the PCB."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Switch node (tied to pin 1 and 3). Connect the inductor between SW and the output capacitor."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Switch node (tied to pin 1 and 2). Connect the inductor between SW and the output capacitor."
      },
      {
        "number": "4",
        "name": "PG",
        "type": "output",
        "description": "Power-good output. Open-drain: high (via external pull-up) when VOUT is within regulation (rising threshold ~95% of VOUT), low when VOUT falls below ~90% of nominal. Max sink current 10 mA; VPG max 7 V."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback pin. For adjustable-output variants (TPS62150/A) connect an external resistor divider from VOUT to FB (internal reference 0.8 V). For the fixed 3.3-V TPS62152 the internal divider is used; TI recommends tying FB to AGND on fixed-output versions for improved thermal performance."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground for internal control circuitry. Must be connected directly to the exposed thermal pad and to the common ground plane."
      },
      {
        "number": "7",
        "name": "FSW",
        "type": "input",
        "description": "Switching-frequency select. Logic low (tied to AGND) selects ~2.5 MHz; logic high (tied to VOUT or PG) selects ~1.25 MHz. Internal pulldown holds it low if left floating. VIH >= 0.9 V, VIL <= 0.3 V."
      },
      {
        "number": "8",
        "name": "DEF",
        "type": "input",
        "description": "Output-voltage scaling (DEFault). Low = nominal VOUT (3.3 V); high = nominal + 5%. Internal pulldown holds it low if floating. VIH >= 0.9 V, VIL <= 0.3 V."
      },
      {
        "number": "9",
        "name": "SS/TR",
        "type": "input",
        "description": "Soft-Start / Tracking pin. An external capacitor to AGND sets the internal-reference rise time (typ ISS/TR = 2.5 uA source current). Can be driven by an external ramp for tracking/sequencing with another rail."
      },
      {
        "number": "10",
        "name": "AVIN",
        "type": "power_in",
        "description": "Supply voltage for internal analog control circuitry (3 V to 17 V). Must be connected to the same source as PVIN. Bypass locally to AGND."
      },
      {
        "number": "11",
        "name": "PVIN",
        "type": "power_in",
        "description": "Power-stage supply voltage (3 V to 17 V). Pins 11 and 12 are tied internally; connect both to the same source as AVIN with a 10 uF input bypass capacitor to PGND."
      },
      {
        "number": "12",
        "name": "PVIN",
        "type": "power_in",
        "description": "Power-stage supply voltage (tied to pin 11). Connect to the same source as AVIN and bypass to PGND."
      },
      {
        "number": "13",
        "name": "EN",
        "type": "input",
        "description": "Enable input. High enables the converter, low disables it and puts the device into shutdown (< 2 uA). Internal pulldown keeps EN low if floating. VIH >= 0.9 V, VIL <= 0.3 V; max 7 V."
      },
      {
        "number": "14",
        "name": "VOS",
        "type": "input",
        "description": "Output voltage sense pin for the control loop. Connect directly to VOUT at the output capacitor for accurate remote sensing / regulation."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the low-side MOSFET return current. Pins 15 and 16 are tied internally; must connect directly to the exposed thermal pad and the common ground plane."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground (tied to pin 15). Connect directly to the exposed thermal pad and common ground plane."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "power_in",
        "description": "Exposed thermal pad. Must be soldered to a common ground plane and connected to AGND (pin 6) and PGND (pins 15,16) for proper heat dissipation and mechanical reliability (RθJA ~ 45 °C/W)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps62152.pdf",
        "pages": 43,
        "sha256": "b418ca870d5105a3",
        "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"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b32e528bf0799efacfbfd0e6175a168fff91b5905ee4d3720cfee9527a156853",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps62152-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "346d23cc385c2560b625814282cf099bb09e812df57cf78fb26567dbf764212c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Synchronous step-down converter",
      "Input": "3-17 V",
      "Output current": "1 A",
      "Switching freq": "Adjustable (FSW pin)",
      "Modes": "Power-save or forced-PWM (DEF)",
      "Extras": "Power-good, adjustable soft-start",
      "Package": "VQFN-16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tps62152",
    "1a buck converter",
    "17v step down",
    "adjustable frequency buck"
  ],
  "discovery_pitch": "TI TPS62152 1 A synchronous step-down converter (VQFN-16) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "tps62152.lbr",
    "docs/hero.png",
    "docs/tps62152-datasheet.pdf",
    "viewers/symbol.html",
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  ],
  "variants": [
    {
      "mpn": "TPS62152RGTR (VQFN-16)",
      "kind": "packaging"
    },
    {
      "mpn": "TPS62153RGTR (fixed output variant)",
      "kind": "unknown"
    }
  ]
}