DRV8823 Control
Dear Team,I am new to Stepper Motors!! From Firmware perspective, we have stepper motor control using GPIOs logic. Plan to move SPI based stepper motor driver (DRV8823). My requirement is to move the...
View ArticleDRV3201-Q1: DRV3201-Q1 Reduce noise level during sensitive current measurement
Part Number: DRV3201-Q1Hello,Customer wants to know some information to realize following that is explained in datasheet(SLVSBD6D) page 26.“To reduce noise level on the chip the boost converter can be...
View ArticleDRV10963: DRV10963 cannot move [Re posted]
Part Number: DRV10963Dear TI staffI had posted such topic in October, 2016. [View:https://e2e.ti.com/support/applications/motor_drivers/f/38/t/549578:1230:0]But I did not reply in that time because I...
View ArticleDRV3201-Q1: Boost undervoltage Error
Part Number: DRV3201-Q1I am trying to understand the startup of DRV3201-Q1 with 5V as VS. When there is Boost UV error at startup and I try to override it with CSM = 1 and writing CFG1 register Boost...
View ArticleDRV8870: Question about Isen pin of DRV8870
Part Number: DRV8870Please let me know about two points below of Isen pin for DRV8870.①I think that power dissipation for Rsense can calculate below, is it correct? Pd_Rsense = Itrip^2 ×...
View ArticleRE: DRV8823 Control
Hi Rakesh, The angle depends on the stepper motor specification. The stepper will move approximately 1/2 of the full step angle for each sequence change. For example if the motor is listed as 1.8...
View ArticleRE: drv10983 I2C example
how can I just download this example I2c code for the DRV10983
View Articledrv10983 I2C example
Hello Everybody,I am new with the drv10983 motordriver and I try to drive my ´default´ BLDC motor by I2C but unfortunately the chip gives no motor output.Is there some I2C example code how to drive...
View ArticleRE: Looking for driver for a Single Phase Brushless (BLDC) Motor
Hi Josh, A team member of mine recently brought to my attention the TMP814 and TMP815 devices that are intended to be used for applications similar to what you're doing above. The TMP814 has a maximum...
View ArticleRE: DRV11873: DRV11873EVM PWM adjust the Spd_Adj potentiometer
Hi Lucifer, Can you provide us picture of motor winding current and PWMIn pin when motor speeds up? Thanks, Seil
View ArticleRE: DRV8701: DRV8701 Freewheel Diodes required?
Thank you for your reply Rick, much appreciated.Do you have any recommendations for smoothing/clamping spikes on the H-Bridge output? Is a RC Snubber and or Transzorb a suitable solution? I looked...
View ArticleRE: DRV8701: DRV8701 Freewheel Diodes required?
Hi John,A RC snubber and/or Transzorb are suitable.Providing a solution to voltage spikes is difficult because the applications vary significantly.It is important to evaluate the maximum voltages of...
View ArticleRE: Looking for driver for a Single Phase Brushless (BLDC) Motor
Phil, Thanks for the additional information. I will check out both of those parts as well. Do you carry evaluation boards for the TMP814 or TMP815? I just got the DRV8701 evaluation board and would...
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Looking for driver for a Single Phase Brushless (BLDC) Motor
Hello all,I am a design engineer and just starting a new project. I have done some research and it seems that what I am trying to do is quite possible, but probably not the most common. I am working on...
View ArticleRE: CCS/DRV10983EVM-TB: Using Targetboard and Launchpad
Hello Michael, Thanks a lot for the detailed mail and efforts put in to help me out. I tried to follow steps as mentioned in your mail and yet have some difficulty. That we have many proto type motors...
View ArticleRE: CCS/DRV10983EVM-TB: Using Targetboard and Launchpad
Jayant, There is no need for you to create the CCS project yourself. We here at TI have already done this for you. You can obtain the CCS project by copying the following link to your browser and...
View ArticleRE: CCS/DRV10983EVM-TB: Using Targetboard and Launchpad
Michael, Thanks a million. I appreciate your prompt response. I was expecting it later this evening and that I received it now I will get cracking on it. Hopefully I will be able to get back to you...
View ArticleRE: DRV3201-Q1: DRV3201-Q1 Reduce noise level during sensitive current...
Hello rick-san, I asked customer what they want to do again.They want to measure zero current as offset value while boost switching is stopped.So, please answer Q1 and Q2 that I posted on Mon, Jan 23...
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RE: CCS/DRV10983EVM-TB: Using Targetboard and Launchpad
Michael,I followed your advice.Having completed the debugging I mounted the target board and clicked on debug again so as to flash the content of the registers on to the DRV. I hope I was correct in...
View ArticleRE: DRV8823 Control
Hi Rick,Stepper motor used in the project is having 1.8 degrees angle for Fullstep.Following is the code that is used to rotate the stepper motor.U8 full_mseq_A_B[16] = { 0xCF,0x03, 0x1F,0X00,...
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