On Tuesday, June 17, 2014 5:14:00 AM UTC-5, [email protected] wrote: > > Hi jmelson ! > I am making my own cape. > I have found one PWM controller (TLC59116) from TI > http://www.ti.com/lit/ds/symlink/tlc59116.pdf > but it says individual channels are adjustable but with a fixed frequency > of 97 khz. Would that be enough or adjustable frequency is a must feature > for BLDC motor. > > > 97 KHz may work for some motor drive setups, but that frequency may be so high that the power transistors or driver circuits will run hot. You'd have to look at specific power stages to decide whether 97 KHz is suitable or not. Most motor drives run between 20 and 50 KHz.
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