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High Efficiency CCM PFC/LLC Combination controller


Reference designs

High Efficiency 300W AC/DC Power Supply Reference Design

PMP20367 is high-efficiency AC/DC power supply reference design with universal AC input and 55V/5.5A and 12V/1A outputs. LLC+PFC combo IC UCC29950 is applied for the main power stages with 55V/5.5A output while UCC28730 is applied for the auxiliary power with 12V/1A output.  This design has (...)

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Software (1)

UCC29950 Design Calculator (Rev. A)  (ZIP 106 KB )    05 Mar 2015  

CAD/CAE symbols

Part# Package | Pins CAD File (.bxl) STEP Model (.stp)
UCC29950 Download -

Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

Please follow the instructions below to view the CAD symbols:

Step 1: Download and install the Ultra Librarian software

Step 2: Download the Symbol and Footprint from the CAD.bxl file table.

Step 3: Open the .bxl file with the Ultra Librarian software.

You can always access the complete CAD/CAE Symbols database at //webench.ti.com/cad/

Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a free download.

The UL Reader is a subset of the Ultra Librarian toolset that can generate, import, and export components and their attributes in virtually any EDA CAD/CAE format.