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by zhivko
23 Jan 2018, 23:26
Forum: Hardware Problems
Topic: mosfet caps missing?
Replies: 3
Views: 322

Re: mosfet caps missing?

external capacitor in on supply voltage?

I see on this schematic they are electrolytes, but on vedder schematics I don't see any electrolytes near mosfets.
So are ceramics as good as electrolytes? Is it ok to use ceramics instead of electrolytes?

Would it be OK to go without those caps near mosfets?
by zhivko
05 Jan 2018, 14:53
Forum: Hardware Problems
Topic: mosfet caps missing?
Replies: 3
Views: 322

mosfet caps missing?

Hi VESC community, are capacitors on mosfets between +60V and GND intentionally let out? I copied this layout example frmo DRV8302 datasheet: vesc_cap_missing.png Another question I have is: where on pcb is this point where signal GND and power GND is connected? Can somebody explain? vedder_question...
by zhivko
02 Jan 2018, 22:50
Forum: Hardware Problems
Topic: DRV fault code on FOC detection
Replies: 9
Views: 1774

Re: DRV fault code on FOC detection

I would be really great to get those answers - I agree with dpetrillo: -R36 is not logically connected. If it is why its not same for phase_3? vesc_question.png - Also question for caps and 60V is in place - can we get answer for this? Is it meant that we beef up caps if we use more than 60V ? regards

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