TPS563201 3A Buck Regulator

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps563201",
  "title": "TPS563201 3A Buck Regulator",
  "brief": "3 A synchronous step-down (buck) converter with integrated MOSFETs in a tiny SOT-23-6.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "buck",
    "regulator",
    "synchronous",
    "step-down",
    "pmic",
    "ti",
    "sot-23-6"
  ],
  "component": {
    "mpn": "TPS563201",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management",
    "subcategory": "Switching Regulator (Buck)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps563201.pdf",
    "parts": {
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      "footprint": "tps563201.kicad_mod",
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      "model_3d_step_plain": "tps563201.step",
      "lbr": "tps563201.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin. Source terminal of the low-side power NFET as well as the ground return for the controller circuit. Connect sensitive VFB to this GND at a single point."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Switch node output. Connection point between the high-side and low-side NFETs; connects to the external inductor. Absolute-max range −2V to 19V."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supply pin. Drain terminal of the high-side power NFET. Operating range 4.5V to 17V (abs-max 19V)."
      },
      {
        "number": "4",
        "name": "VFB",
        "type": "input",
        "description": "Converter feedback input. Connect to the output voltage through a feedback resistor divider; internal reference is 0.768V nominal (2% accuracy at 25°C). Abs-max 6V."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable input control. Active high; must be pulled up to enable the device. Do not float. Operating range 0 to 17V (abs-max 19V)."
      },
      {
        "number": "6",
        "name": "VBST",
        "type": "power_out",
        "description": "Bootstrap supply input for the high-side NFET gate-drive circuit. Connect a 0.1µF ceramic capacitor between VBST and SW pins. Abs-max 25V (27V for 10ns transients); 6V referenced to SW."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps563201.pdf",
        "pages": 30,
        "sha256": "9ec97e2062d5fba1",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps563201-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "19c84107d2c17c75da1278d5ec847adff6e483c5a0c6bedeede27e443c636acf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Synchronous buck (step-down) converter",
      "Output current": "3 A",
      "Input voltage": "4.5 V to 17 V",
      "Output voltage": "0.76 V to ~7 V (adjustable)",
      "Switching frequency": "580 kHz typ",
      "Control": "D-CAP2 (fast transient)",
      "Operating temperature": "-40 C to 125 C (junction)"
    }
  },
  "sections": [
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    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "3A buck",
    "synchronous buck",
    "point-of-load regulator",
    "small buck converter"
  ],
  "discovery_pitch": "A 3 A synchronous buck with both switches integrated, turning a 4.5-17 V rail into a tight low-voltage supply in a tiny package.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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  "variants": [
    {
      "mpn": "TPS563201DDCR",
      "kind": "unknown"
    },
    {
      "mpn": "TPS563201DDCT",
      "kind": "unknown"
    }
  ]
}