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LM5156: LM5156 Output

Mark Philip Felipe
Genius 10165 points
Part Number: LM5156

Hi Team, seeking for some clarification.

Programming my board to run a stepper motor using a SN754410NE chip and fly back diodes when i realized that 2 pins on my board were always active, PA6 @ 3.26V and PF0 @ 2.98. I assumed that i had mis configured the pins so I used code composer studio to run a previously working program that did not rely on those pins, but the pins stayed at the same voltage levels.

/cfs-file/__key/communityserver-discussions-components-files/196/Sepic.pdf

Thank you in advance.

-Mark

  • 0
    TI__Genius 11215 points

    Hello, 

    Thanks for reaching out. I am not sure I understood your question related to the SEPIC converter, can you please clarify it? From the simulation file it seems like the Vout is reaching a certain target value and the converter is switching. Can you also please share the specs for this design (Vin range, Vout, load current) so that we can more easily double check the schematic/simulation? 

    Kind regards,
    EM