main
Caleb Set visibility: public 65b2676 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tpsm33620s5qrdnrq1",
  "title": "TPSM33620S5QRDNRQ1",
  "brief": "Texas Instruments DC DC Converters, QFN-11(3.5x4.5). KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet.",
  "version": "0.1.2",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power modules",
    "tpsm33620s5qrdnrq1",
    "board-derived"
  ],
  "component": {
    "mpn": "TPSM33620S5QRDNRQ1",
    "manufacturer": "Texas Instruments",
    "package": "QFN-11(3.5x4.5)",
    "pin_count": 11,
    "category": "Power Modules",
    "subcategory": "DC DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tpsm33620-q1.pdf",
    "parts": {
      "symbol": "tpsm33620s5qrdnrq1.kicad_sym",
      "footprint": "tpsm33620s5qrdnrq1.kicad_mod",
      "model_3d": "tpsm33620s5qrdnrq1-hero.glb",
      "model_3d_plain": "tpsm33620s5qrdnrq1-etched.glb",
      "model_3d_step": "tpsm33620s5qrdnrq1-etched.step",
      "model_3d_step_plain": "tpsm33620s5qrdnrq1.step",
      "lbr": "tpsm33620s5qrdnrq1.lbr"
    },
    "distributor_links": {
      "digikey": {
        "part": "296-TPSM33620S5QRDNRQ1TR-ND",
        "url": "https://www.digikey.com/en/products/detail/texas-instruments/TPSM33620S5QRDNRQ1/27687227"
      },
      "mouser": {
        "part": "595-SM33620S5QRDNRQ1",
        "url": "https://www.mouser.com/en/ProductDetail/Texas-Instruments/TPSM33620S5QRDNRQ1?qs=PBDs2xEllI8AG1MPthcwcg%3D%3D"
      },
      "lcsc": {
        "part": "C51956999",
        "url": "https://www.lcsc.com/product-detail/C51956999.html"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PGOOD",
        "type": "open_collector",
        "description": "Power-good monitor. Open-drain output that asserts low if the feedback voltage is not within the specified window thresholds. A 10kΩ to 100kΩ pullup resistor is required. If not used, this pin can be left open or connected to GND. High = power OK, Low = power bad. PGOOD goes low when EN = Low. [datasheet p.5]"
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Precision enable input. High = ON, Low = OFF. Precision enable allows the pin to be used as an adjustable UVLO. Can be connected directly to VIN. The module can be turned off by using an open-drain or collector device to connect this pin to GND. Place an external voltage divider between VIN, this pin, and GND to create an external UVLO. Do not float this pin. [datasheet p.5]"
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage. Connect the input supply to this pin. Connect a high-quality bypass capacitor or capacitors directly to this pin and GND in close proximity to the module. [datasheet p.5]"
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output voltage. The pin is connected to the integrated filter inductor. Connect the pin to the output load and connect external output capacitors between this pin and GND. For fixed output variants, connect the FB pin to VOUT. [datasheet p.5]"
      },
      {
        "number": "5",
        "name": "SW",
        "type": "passive",
        "description": "Power module switch node (pins 5 and 6). Do not place any external component on this pin or connect to any signal. The amount of copper placed on these pins must be kept to a minimum to prevent issues with noise and EMI. [datasheet p.5]"
      },
      {
        "number": "6",
        "name": "SW",
        "type": "passive",
        "description": "Power module switch node (pins 5 and 6). Do not place any external component on this pin or connect to any signal. The amount of copper placed on these pins must be kept to a minimum to prevent issues with noise and EMI. [datasheet p.5]"
      },
      {
        "number": "7",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap pin for internal high-side driver circuitry. A 100nF bootstrap capacitor is internally connected from this pin to SW within the module to provide the bootstrap voltage. [datasheet p.5]"
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal LDO output. Used as supply to internal control circuits. Do not connect to external loads. Can be used as logic supply for the power-good flag. Connect a high-quality 1µF capacitor from this pin to GND. [datasheet p.5]"
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Feedback input. For the adjustable output, connect the mid-point of the output voltage feedback resistor divider to this pin, the upper resistor (RFBT) to VOUT at the desired point of regulation and the lower resistor (RFBB) to GND; keep the FB trace short. For a fixed output configuration, connect FB pin 9 directly to VOUT pin 4. Do not leave open or connect to GND. [datasheet p.5]"
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground terminal. Connect to system ground. Connect to CIN with short, wide traces. [datasheet p.5]"
      },
      {
        "number": "11",
        "name": "MODE/SYNC",
        "type": "input",
        "description": "The part can operate in user-selectable auto/FPWM operation based on the voltage at the MODE/SYNC pin. The part can also be synchronized to an external clock; the clock triggers on the rising edge of the applied external clock. Do not float this pin. [datasheet p.5]"
      }
    ],
    "provenance": {
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tpsm33620-q1.pdf",
        "pages": 49,
        "sha256": "9ecee6f360918744113c28355ba10f58bc178cca6d25dcd95ea934037c5ba52e",
        "source_tier": "mfr",
        "retrieved": "2026-10-27",
        "edition": "SNVSCS7E, revised September 2026"
      },
      "cad": "3D model hand-built by Adom in CadQuery from TI's RDN0011B package outline (SNVSCS7E p.46, drawing 4231197/C) (tier 3: TI's CAD is behind Ultra Librarian's CAPTCHA and terms that forbid library redistribution; KiCad has no RDN0011B model), CC-BY-SA-4.0; footprint and symbol as used on Adom board designs",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      },
      "build": {
        "tool": "board-derived part page builder 0.1: one-off Claude session scripts in Caleb Taylor's container (retired; not the Adom parts factory)",
        "pins": "KiCad symbol from the source board + adom-ds2sf datasheet extraction (claude-opus-4-7)",
        "at": "2026-10-16"
      }
    },
    "models_3d": [
      {
        "file": "tpsm33620s5qrdnrq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.5,
          4.5,
          2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.212,
        "footprint_binding": "identity",
        "sha256": "9935f65966ba4ff2d5048a18b303cd377d492b08a5cc90c2b17775bef685059b",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)",
        "source": {
          "manufacturer": "Texas Instruments (drawing only)",
          "file": "tpsm33620s5qrdnrq1.step",
          "kind": "adom-built",
          "built_from": "TI SNVSCS7E p.46, RDN0011B package outline 4231197/C 05/2026",
          "source_page": "https://www.ti.com/product/TPSM33620-Q1",
          "download": "none: TI CAD only via Ultra Librarian (reCAPTCHA + registration; terms forbid library distribution), checked 2026-10-27",
          "colour": "Adom: black epoxy body, tin terminals",
          "retrieved": "2026-10-27",
          "posed_by": "built in the footprint frame (identity); provenance/tools/build_rdn0011b.py",
          "sha256": "9935f65966ba4ff2d5048a18b303cd377d492b08a5cc90c2b17775bef685059b"
        }
      },
      {
        "file": "tpsm33620s5qrdnrq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.5,
          4.5,
          2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.212,
        "footprint_binding": "identity",
        "sha256": "de8fc335e589360ed857955202b98eef36466ec1d94c3715d835c214056de6c9",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "QFN-11(3.5x4.5)",
      "Category": "Power Modules",
      "Pins": "11",
      "LCSC": "C51956999",
      "DigiKey": "296-TPSM33620S5QRDNRQ1TR-ND",
      "Mouser": "595-SM33620S5QRDNRQ1"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tpsm33620s5qrdnrq1",
    "tpsm33620s5qrdnrq1"
  ],
  "discovery_pitch": "TPSM33620S5QRDNRQ1 (Texas Instruments) component page: pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Caleb",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "verification.json",
    "tpsm33620s5qrdnrq1.kicad_sym",
    "tpsm33620s5qrdnrq1.kicad_mod",
    "tpsm33620s5qrdnrq1-etched.glb",
    "tpsm33620s5qrdnrq1-etched.step",
    "tpsm33620s5qrdnrq1.glb",
    "tpsm33620s5qrdnrq1.step",
    "tpsm33620s5qrdnrq1.lbr",
    "docs/hero.png",
    "docs/tpsm33620s5qrdnrq1-datasheet.pdf",
    "provenance/3d-model.json",
    "provenance/tools/build.sh",
    "provenance/tools/build_rdn0011b.py",
    "provenance/tools/glbmat.py",
    "provenance/tools/ortho.py",
    "docs/proof/tpsm33620s5qrdnrq1-3d-vs-drawing.png",
    "tpsm33620s5qrdnrq1-hero.glb",
    "tpsm33620s5qrdnrq1-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}