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vedder.se forums • MINI compatible with VESC® Software - Page 5
Page 5 of 5

Re: MINI compatible with VESC® Software

Posted: 16 Feb 2018, 13:37
by antonchromjak

Re: MINI compatible with VESC® Software

Posted: 16 Feb 2018, 22:46
by andreas78
That was a quick answer, thank you!
My only concern would have been, if Rds(on) isn't too high, in case the gate voltage is below 10V.
So I was thinking about using these FETs:

They are just slightly more expensive, but have really low Rds(on), even at 4,5V.

Andreas

Re: MINI compatible with VESC® Software

Posted: 17 Feb 2018, 15:44
by rew
Most fet drivers are "afraid" that you'll drive the FETs at a gate voltage that is insufficient to fully turn on the FET. When that happens, the FET would blow because it had voltage AND current across it so way more power than expected.

So most fet drivers will have an "under voltage lockout": it will refuse to drive the fets when the gate-drive-voltage is below a certain value. For the DRV8302 on the VESC that would be 8V. Also for the LM5109 that I use the limit is 8V. I don't know by heart what this mini-vesc uses.....

Re: MINI compatible with VESC® Software

Posted: 17 Feb 2018, 16:31
by antonchromjak

Re: MINI compatible with VESC® Software

Posted: 25 Feb 2018, 17:27
by rew

Re: MINI compatible with VESC® Software

Posted: 26 Feb 2018, 09:38
by jlcortex
Is someone testing it on multicopters?

Re: MINI compatible with VESC® Software

Posted: 06 May 2018, 15:17
by elektrinis
Schematics with LM5113 seem all wrong.. Looks like PCB is correct, but schematics file is completely different.