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Original question:

TIDM-02002: Voltage design of Bi-directional DC/DC solution for ESS

TIDA-010054: TIDA-00951 Consultation on loading issues

xi.rui.ray
Prodigy 10 points

Part Number: TIDA-010054

Hello experts, I have developed a voltage closed-loop  demo using the 00951 solution. However, the voltage cannot rise to aimed voltage during loading  and remains in pre charging mode. Is there anything special to pay attention to when loading？？？

  • 0
    TI__Expert 3290 points

    Hi Xi,

    I would like to ask you if you have looked if there is any saturation in the PI Output. Maybe that can be the reason. Which means the phase shift is not enough for the existing load in the output.

    Could you please let me know which lab are you using? Are you using the code of TIDA 010054 or TIDA 00951?

    Thanks for your attention

    Best Regards

    Riccardo

  • 0 in reply to Riccardo Ruffo
    Prodigy 10 points

    Hi Riccardo

     I borrowed the hardware solution from TIDA00951, but since I couldn't find the source code for 00951, I wrote the DSP software source code by myself. It would be best if you could provide the source code of 00951 for reference. If not, I don't know if TI has provided a detailed introduction to the topology of 00951, including how to design the voltage and current loops for control, and how to achieve full load startup

    I am looking forward for your reply

    Thanks 

  • 0 in reply to xi.rui.ray
    TI__Expert 3290 points

    Hi Xi,

    I was looking for this reference online and I did no find it.

    It was existing in the past but now it looks it is not anymore available.

    Could you please let me know where you have found the material? Have you found this recentenly? or few years ago?

    I am asking this, thus I can try to get contact to tehe right people.

    Thanks

    Best Regards

    Riccardo