Experimenting with high current IONI

We have started tweaking the IONI drive in order to push it beyond it’s present output current limits. This includes testing of lower loss power MOSFETs and current sensing resistors to achieve reduced heat dissipation. So far we have achieved 35-40% reduction of heat dissipation at high currents.

MOSFET replacement under way. The new ones are installed on right side. These particular transistors have exposed top side thermal pad for heat sinking.

MOSFET replacement work in progress. The new ones are already installed on right side. These particular transistors have exposed top side thermal pad for external heat sinking.

5 thoughts on “Experimenting with high current IONI

  1. Moro Tero,
    Great news indeed, 22A will be great, 25A will put us in sim racing heaven. Then we can drive our servos like the big MiGe and Lenze to their maximum capacity, fantastic effort!

    Would be good if you can provide mounting holes for some external passive heat sinking!

    Enjoy, talk soon.

    Br,
    Phillip

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