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.

Jon 

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