RE: Stepper motor with CC3200 LaunchXL
Hi Vamsi, I don't think there is any library about this since the interface to stepper driver is easy and sepeciafied by application. If you are looking for some acceleration/decelaration control, one...
View ArticleStepper motor with CC3200 LaunchXL
Hi,I am trying to implement bipolar stepper motor control for an application using CC3200 LaunchXL.(in Energia)There is no stepper library with Energia. No related posts in the forum too.Looking for help.
View ArticleRE: DRV8303 many times damaged
I forgot to join the design(Please visit the site to view this file)
View ArticleRE: DRV8303 many times damaged
Hi N.AB Note that you are using high voltage >60V in another post, is that the same case here? Normally DRV8303 will not die because of over current as it is a pre-driver. But the voltage >60V...
View ArticleRE: DRV8303 many times damaged
Hi, The two posts are actually related. Howevers according to the voltage, I don't had used the board more than 52V, and actually the damage occures at 25V.
View ArticleRE: DRV8303 many times damaged
Hi N.AB, Could you have detailed running state before the damage happens? If motor quickly speeded down at 25V, the real PVDD can go up to 2x or more, depends on the deceleration rate, especailly when...
View ArticleRE: DRV8303 many times damaged
Hi, Actually in addition to the 2.2uF, we have a chemical capacitor of 68uF. Before the damage, the pwm of U phase was at 95%, and the pwm of V and W pahses was at 5%. the supply volatage was 25V....
View ArticleDRV8303 many times damaged
Hello,I have a motor control design with a DRV8303 that I had duplicated 16 times. Unfortunately for 3 times the DRV had been damaged. And I am wondering about the reason.My design is joint. As could...
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RE: DRV8302 Fault Pin
Hi Nick,I controlled everything as you wish. Values of bypass capacitors are true and GVdd=10,9V DVdd=3,33V AVdd=6,62VI mean, all of them are true values.Also I controlled PowerPAD which is soldered to...
View ArticleDRV8302 Fault Pin
Hi everyone,I am using a DRV8302 to drive a BLDC motor but DRV8302 Fault Pin always equal to zero. I share my drawing and measurement below;I have run my circuit and Code Composer program. while...
View ArticleRE: DRV8302 Heating Up
Hi RickI managed to make it work. I isolated the-the buck converter (removed feedback for Vsense pin). The Board is working perfectly. Thanks for the idea. :)RegardsImthiaz
View ArticleRE: DRV10983 Based BLDC motor control
Hi Deepk, Our experts have been contacted and should reply soon.
View ArticleRE: DRV8302 Heating Up
Hi Imthiaz, Glad we could help. Can you describe the problem found with the Vsense pin? This may help others in the future.
View ArticleRE: DRV10983 Based BLDC motor control
Hi Deepak,For the first issue, can you please check on 'Display' page of GUI which 'Fault Code' is getting activated when motor stops. Each fault code corresponds to one of the lock shown on 'Advanced...
View ArticleDRV10983 Based BLDC motor control
Dear Sir,We have DRV10983 EVM kit, Basically we are driving a 24V BLDC motor from it,In had gone through Tuning guide and set some flash parameters, my major issue is that, the motor can not rotate...
View ArticleRE: DRV8870 - Rds(on) vs. Iout and Rds(on) vs. Supply voltage
Hi Asaka-san, We will investigate and reply soon. At this time, we do not have data for Rds(on) vs Iout.
View ArticleRE: DRV8870 - Rds(on) vs. Iout and Rds(on) vs. Supply voltage
Asaka-san, I don't expect Rds(on) to vary significantly with different currents, except for the temperature change that the current causes. Figure 1 shows the effect that temperature has.Best regards,RE
View ArticleRE: DRV8303 Ramp up and ramp down on PWM outputs
Yes, the left is what I'm referring to. I don't see this state documented anywhere, is there another document describing this operation?Also, the outlying pulse (the first one time-wise) is expected?...
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DRV8303 Ramp up and ramp down on PWM outputs
We're using the DRV8303 that's interfaced to our microcontroller. We looked on an oscilloscope and see some interesting behavior not documented in the datasheet!The yellow waveform is our PWM from our...
View ArticleRE: DRV8870 - Rds(on) vs. Iout and Rds(on) vs. Supply voltage
Hello Rick san, RE san, Thank you for the reply. In the competitor datasheet, there is no vary significantly with different currents and supply voltage. If the DRV8870 have similar specifications ,...
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