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RE: DRV8701: DRV8791 Evaluation GUI Software won't run
Hello Kevin,I have uninstalled GUI composer from my PC and installed again. Please ignore previous post and follow these steps.1) Download GUI Composer Runtime (CCS v6.2.0) from hereI've done this and...
View ArticleDRV8701: DRV8791 Evaluation GUI Software won't run
Part Number: DRV8701Hi, I have tried some many times on two different computers; both Win7 64bit, but the GUI just won't run; nothing happens when I double check on the execution file. Is there...
View ArticleRE: DRV8825: Irregularities in output waveform
Hi John, Thank you for the waveform captures and layout. Could you please monitor the charge pump voltage on your revB board. What do you have on your revA board? Is revB the same voltage? at least 20V...
View ArticleRE: DRV8801: VPROPI Output current
Hi Sheldon, The VPROPI signal should work properly with the resistors shown. Is the signal divided and then read by an ADC? Is there some resistance inside the receiving device that is changing the...
View ArticleRE: DRV8837: what is the minimum voltage provided by the VM pin of the DRV8837?
Hello David, Are you planning on supplying Vcc and VM from different sources? if yes, as long as you provide a constant voltage to you 2V motor you are okay. If you are planning on using a single...
View ArticleRE: DRV8825: Irregularities in output waveform
Hi Luis, I measure 22.5V on the VCP pin on both RevA and RevB. Thanks, John
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DRV8825: Irregularities in output waveform
Part Number: DRV8825I am designing a custom controller board for controlling steppers on a telescope mount. For my initial prototype (Rev A) I used two Pololu DRV8825 Stepper Motor Driver Carrier...
View ArticleRE: DRV8825: Currents measured from ISENA/B are not qualitatively similar to...
That makes a lot of sense, thanks!Louis
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DRV8825: Currents measured from ISENA/B are not qualitatively similar to...
Part Number: DRV8825I am using the DRV8825 driver to microstep a stepper motor in a circuit with the following parameters:Motor coil resistance: 2.5 OhmsMotor coil inductance: 2.5 mHMotor supply...
View ArticleRE: DRV595: device overheating
Hi ajayt, Our experts have been notified and should reply soon.
View ArticleDRV595: device overheating
Part Number: DRV595Can you advise the most common reasons for this, to check. The application is TEC controller. the load is around 1A, but it gets hot and shuts down. It is heat sunk and also the...
View ArticleRE: DRV8834: need help with DRV8834
Hi Rakesh,One method to control the speed of the stepper motor is to set the CONFIG bit to a logic high. This sets the DRV8834 into indexer mode. Using indexer mode, each step input moves the motor. By...
View ArticleDRV8834: need help with DRV8834
Part Number: DRV8834hello all,i am working on stm32f1 mcu and i have interfaced DRV8834 driver ic to run 20DAM20d10-k stepper motor,im using PWM here.i am able to run motor but now i want to control...
View ArticleBOOSTXL-DRV8301: High load startup with IPD_HFI
Part Number: BOOSTXL-DRV8301Hi, I want to start with a high load on the motor and 'Force angle' is not working for me so, i wanted to try to use IPD_HFI to find the angle of the rotor and feed this...
View ArticleRE: DRV8825: Irregularities in output waveform
Hello John,That is normal, thank you for verifying. We are running out of options here and the one remaining is the layout. I am sure you cross checked all inputs from revA and revB boards to see if...
View ArticleRE: DRV8837: what is the minimum voltage provided by the VM pin of the DRV8837?
dear luis: YES , I planning on supplying Vcc and VM from different sources, motor specs: Voltage range for use: DC:1.5V~4.5V, Rated load: n=200g-cm , At Rated voltage and rated load<=80mA, Provide...
View ArticleRE: what's the driver used in TMDSHVMTRPFCKIT
The schematic for the HV Mtr+PFC kit can be in ControlSUITE under: C:\ti\controlSUITE\development_kits\HVMotorCtrl+PfcKit_v2.1\~HVMotorCtrl+PFC-HWdevPkg\HVMotorCtrl+PFCKit-R1.1 Sean
View Articlewhat's the driver used in TMDSHVMTRPFCKIT
I've just recieved the TMDSHVMTRPFCKIT. And i want to know the driver-chip embeded in TMDSHVMTRPFCKIT. I can't see it. It is maybe behand the heatsink.
View ArticleRE: DRV10983: drv10983 parameters may affect motor current how much relative...
Hi Simen, Our experts have been notified and should reply soon. Thank you
View ArticleDRV10983: drv10983 parameters may affect motor current how much relative Error?
Part Number: DRV10983Hi TI experts, My customer’s fan good or bad bases on below rule,“CCW: 160mA(+12.5/-25%) , Over +12.5/-25% is NG.”Could someone explain any drv10983 parameters to affect motor...
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