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TPS55289: TPS55289RYQR I can't to turn on

Kiril Baykov1
Prodigy 60 points
Part Number: TPS55289


Tool/software:

Hello, i have a design with TPS55289RYQR, i try to use it in standalone mode without I2C communication, but the converter don't work.
For schematic i used Webench site.  I don't have any voltage on the VOUT. This is my schematic, any suggestions https://drive.google.com/file/d/1apmSv55AXnajBQl6-tKCZZWLloBn_WMX/view?usp=sharing

  • 0
    TI__Genius 16570 points

    Hi Kiril,

    I cannot open this weblink. You can directly share the file here.

    From your description, TPS55289 cannot work in standalone mode. I2C communication is needed to enable it. You can use the FB version, TPS552892. It can work without I2C communicaiton.

    Regards,

    Mulin