RE: Universal Stepper Motor Driver Reference Design-TIDA-000716
Dear Duncan;Thanks for reply.TIDA-00736 is include MSP430G2202, and this design allow step and current setting by switch.I think, MSP430G2202 may inclde different code.Regards
View ArticleUniversal Stepper Motor Driver Reference Design-TIDA-000716
Hi,if you have code for TIDA-000716?Thanks
View ArticleRE: DRV8711 write issue after sleep
Hello Rick, thank you for your response. The delay between wake up and SPI write seems not to influence the problem. I tried a few millisec up to 1sec ... no difference. I also tested different SPI...
View ArticleRE: DRV10983EVM: Motor velocity constant
Hi Anders, Our experts have been notified and should reply soon.
View ArticleDRV10983EVM: Motor velocity constant
Part Number: DRV10983EVMDear whomever it concerns!From the display tab I can monitor the motor velocity constant.When running at no-load the constant is almost constant across the possible speed...
View ArticleRE: DRV8711: Overcurrent shutdown while running: current regulation doesn't...
Hi, thank you for your fast response. I use parallel mode. What do you mean with step input decreasing and current increasing? I already tried several microstepping mode (from full step to 1/32 step)....
View ArticleRE: DRV10963: using part to drive HDD platter motor
You are correct the scope was on 10x. I am still not clear on the part I have. drv10963dsnr is it a part whose register values can be changed? Will I be able able to configure it if I get the EVM or...
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DRV10963: using part to drive HDD platter motor
Part Number: DRV10963I have the drv10963dsnr device that I want to use to control common hard drive platter bldc motors but I am having issues to get it to do anything. The motor specs are, Rm = 5ohms,...
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RE: BOOSTXL-DRV8301: How to boot from flash -- read almost everything but...
Alright Kusti,The reason why an upgrade to the latest Motorware can be essential is expanded program memory for the ramfuncs section in the F28027F.cmd fileSee image below:Now, I found an e2e post that...
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BOOSTXL-DRV8301: How to boot from flash -- read almost everything but can't...
Part Number: BOOSTXL-DRV8301Hi,I've been up and down the information highway including this forum all day but still can't boot from Flash.This must be something very simple and I'm sure I will feel...
View ArticleRE: DRV8711: Overcurrent shutdown while running: current regulation doesn't...
Hi Christoph, You probably already did this, but step input decreasing meant halfing the step input frequency for full step mode. In the images above, it appears the current approaches 5A in the...
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DRV8711: Overcurrent shutdown while running: current regulation doesn't work...
Part Number: DRV8711Hello,we are using the DRV8711 driver IC in an application with this stepper motor: Nanotec ST8918M6708 (https://de.nanotec.com/produkte/566-st8918-schrittmotor-nema-34/).The...
View ArticleRE: DRV8711 write issue after sleep
Hello Rick,one thing I'd like to add ... make sure that the register you use for testing is set to different values in sleep phase and afterwards. Otherwise you will not see the effect. Here is my...
View ArticleDRV8711 write issue after sleep
I want to share this issue that I recently discovered on DRV8711:if during sleep (SLEEPn forced L) the SPI is used to write 3 or more registers, then after resuming from sleep the first write access is...
View ArticleRE: DRV8825: RMS output current for DRV8825
Hi Rick, Please help to confirm that the chopping current in equation 1 of the datasheet refers to maximum peak current not the RMS current, is that right?
View ArticleRE: DRV8825: RMS output current for DRV8825
Hi Incognito,Yes, the chopping current refers to maximum peak current when the electrical angle of Table 2 is 90, 180, 270, or 360 degrees.
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DRV8825: RMS output current for DRV8825
Part Number: DRV8825Hi Ti,Referring to the DRV8825 datasheet, max RMS output current applied to each winding is 1.75A rms or 2.5A peak.The max 2.5A peak is it refer to only positive or negative current...
View ArticleRE: DRV8860: DRV8860 output channels question
Hi Gavin, Could you please tell me that what the output status of OUT1 channel when I write 0x03 to the Data Register at now? is there an another 300ms Energizing wave at OUT1 simultaneously with OUT2?...
View ArticleDRV8860: DRV8860 output channels question
Part Number: DRV8860Dears,DRV8860 have 8 channels output with the function of energizing and PWM chopping. I have a question about the channels when driving more than 1 solenoid. Just for an example:I...
View ArticleRE: DRV8841: DRV8841 OCP issue
Hi Maka, Can you provide scope captures of the currents zoomed in to 5us/div showing 20us prior to nFAULT going low until 5us after nFAULT going low? Also, please provide similar scope captures of the...
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