TPS62203

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps62203",
  "title": "TPS62203",
  "brief": "TI 300 mA synchronous step-down converter, SOT-23-5. 2.5-6 V in, 1 MHz, power-save mode. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power",
    "buck-converter",
    "switching-regulator",
    "dc-dc",
    "sot-23-5",
    "texas-instruments"
  ],
  "component": {
    "mpn": "TPS62203",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management",
    "subcategory": "Switching regulator (buck)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps62203.pdf",
    "parts": {
      "symbol": "tps62203.kicad_sym",
      "footprint": "tps62203.kicad_mod",
      "model_3d": "tps62203-etched.glb",
      "model_3d_plain": "tps62203.glb",
      "model_3d_step": "tps62203-etched.step",
      "model_3d_step_plain": "tps62203.step",
      "lbr": "tps62203.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VI",
        "type": "power_in",
        "description": "Supply voltage input pin. Recommended operating range 2.5 V to 6 V (absolute max 7 V). Requires a >=4.7 µF ceramic input capacitor to GND close to the pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. All voltage measurements are referenced to this pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input. Pulling this pin to GND forces the device into shutdown. Pulling to VI enables the device. Must not be left floating and must be terminated."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin. For the fixed-output-voltage version (TPS62203 = 1.8 V fixed), connect FB directly to the output. For the adjustable version an external resistor divider sets Vout; the internal divider is disabled in that mode."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Switch node. Connect the external inductor (typ. 10 µH) between this pin and the output. Internally connected to the high-side and low-side MOSFET switches."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps62203.pdf",
        "pages": 30,
        "sha256": "f6ac7e529beda007",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps62203.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps62203-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "261bb9d95279bf98ccb39174562c0c93b3044a736f3f03813ddb779a38abf0b8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Synchronous step-down converter",
      "Input": "2.5-6 V",
      "Output current": "300 mA",
      "Switching freq": "1 MHz",
      "Integrated FETs": "Yes",
      "Light load": "Power-save mode",
      "Package": "SOT-23-5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tps62203",
    "300ma buck converter",
    "small step down regulator",
    "sot-23 buck"
  ],
  "discovery_pitch": "TI TPS62203 300 mA synchronous step-down converter (SOT-23-5) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps62203.kicad_sym",
    "tps62203.kicad_mod",
    "tps62203.glb",
    "tps62203.step",
    "tps62203.lbr",
    "docs/hero.png",
    "docs/tps62203-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps62203-etched.step"
  ],
  "variants": [
    {
      "mpn": "TPS62203DBVR (adjustable, SOT-23-5)",
      "kind": "different-part"
    },
    {
      "mpn": "TPS62200DBVR (fixed variants)",
      "kind": "unknown"
    }
  ]
}