DRV8838 protection against inductive kick, etc.?
Does the DRV8838 incorporate protection against inductive kick and back EMF when stopping the motor beyond the body diodes of the FETs? Or do we need to rely on bulk capacitance and external clamping...
View ArticleDRV8825 stepping indexer settings halving the total travel distance
I have a custom stepper controller board based on grbl and the DRV8825. I use NEMA 17 motors with 1.7A maximum current per phase and the machine operates at 12V (essentially the voltage at VMA/B of...
View ArticleDRV8305-Q1 Questions
Hello, please let me ask some questions about DRV8305-Q1.How should pins of current shunt amplifier be treated if the amplifier is not used? SPx, SNx and SOx pins (x = either of 1, 2 or 3)Only the...
View ArticleRE: DRV8844PWPR and Working with the Beaglebone Black/Seth
Hello,My name is Seth. This may sound silly but here goes it. I am making a web based controlled or WiFi keyboard controlled mower for goofing around. I wanted to learn more about robotics and motor...
View ArticleBuy Automotive 48V 1kW Motor Drive Reference Design
Can I buy TIDA-00281 Automotive 48V 1kW Motor Drive Reference Design System without launchpad for research and testing?
View ArticleDRV8305 unused current sense amplifier pins
Hello Madam/Sir,I am using drv8305 for our current design, but we used only 1 current sense amplifier. For pins of the other unused current sense amplifier, do I have to connect all the inputs and...
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Active Front End made of HVMotorCtrl+PFC V2.1.
Hello everyone.I have a question conserning HVMotorCtrl+PFC V2.1.Is it possible,having two of this kits, connect them together according Active Front End (AFE) + Inverter scheme?Thanks for any help in...
View ArticleDRV8824 MICROSTEPPING Problems
Hi,I'm using DRV8824 to drive a hybrid bipolar step motror(12V,0.6A,1.8°) in a microstepping mode(up to 32microstep/step), because i would like to reach a step of 0.06 degrees(around 1.8degrees/32).My...
View ArticleSellecting driver for 28BYJ-48 stepper motor
Greatings! I want to build a small pcb for 28BYJ-48 stepper motor. As fas I know it`s draining about 200-250mA on 5V. Can you help me with the driver sellection. My first choise is DRV8711, but I`m...
View ArticleUC2625 TACH-OUT
Hi, folks,> Any change in the H1, H2, or H3 inputs loads data from these inputs into the position sensor latchesIs this means that there will be 6 times of TACH-OUT signals on 1 rotation?
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DRV8825 holding torque
I got my setup with the DRV8825 working nicely. I even did a few test prints for my laser cutter using grbl and they came very precise. I have one question though. Earlier I was using the Allegro A4988...
View ArticleDRV8834EVM serial command list
Dear Support team, We want to control DRV8834 with our external command instead of FTDI USB chip.Is it possible to disclose the list of commands and the serial I/F specification of RX/TX for MSP430?...
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drv8825 - Ipeak accuracy
Hello Motor driver Experts,I have a general question regarding understanding the current accuracy on the DRV8825. Data sheet shows a table of current accuracy versusLet's look at an example:IPeak =...
View ArticleDRV8842
HELLO,HOW TO USE IN1 AND IN2 PINS IN DRV8842 IF I HAVE TO GIVE A GENERATED PWM FROM CONTROLLER AND CONTROL THE LOAD CURRENT USING I0-I4 SETTING (CAN I GIVE DIRECTLY SAME PWM TO IN1 AND IN2)THANKYOU.
View ArticleNeed Help on DRV8711 micro step size
I'm using Infineon XMC4500 to drive DRV8711.The motor made so much noises when I set it to 256 and 128 micro step size, 120+ rpm. It didn't make that much noises on 64 micro step size.When I tried...
View ArticleDRV8305 paralleling Mosfets
Hello TI Team. I'm currently designing a motor controller around the DRV8305.At the moment i am about to consider using 2 mosfets in parallel all the places in the inverter. So 12 Mosfets in all. The...
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DRV8811 data sheet Question, Urgent
We got some customer technical question. In DS Pg.7, we can check the timing diagram and definition of each time spec. In 6, wake up time spec, what does it mean of this?In sleep mode operation,...
View ArticleMotor Drive IC Selection
Hi Team,The customer needs to select the motor drive IC for BLDC. He need two types motor drive ICs. One has the Integrated MOS and another does not have the Integrated MOS. And the motor voltage is...
View ArticleDRV10983 EVM GUI problems
Hi.I have a problem with the DRV10983 EVM.I by mistake put it to 150ohms instead of 150m ohms in the motor settings tab for the software and it then crashed. It now say that it want to update the board...
View ArticleDRV10983-Q1 IPD
Hi Team,Q1- How accurate is the IPD? with which accuracy and precision are we able to detect the initial position of the motor?Q2- Are we able to let the motor run until a certain position is reached?...
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