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Temperature issues on stpper motor with DRV8811
Hi, I'm using the DRV8811 for driving a stepper motor;I'm using the following circuit: when PWDDO on the base of Q5 is 0V, VREF on U9 is 0.958V and Ichop is 0.399A - in this condition, the motor is...
View ArticleElectric Car Brushless Drive
Hello,I'm a student at the Milwaukee School of Engineering working on an electric car project to compete in the Shell Ecomarathon. This is my teams first attempt at a fully electric vehicle, and the...
View ArticleDRV8432 power-up
Hi,Can I use the same power supply (PVDD 48V/12A) for step down 48V/12V for GVDD.BRDavor
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24V/10A BoosterPack $49 & InstaSPIN-FOC LaunchPad $17
Low-cost, brushless motor development in the palm of your hand Traditional sensorless motor control development is complicated and unattainable for most developers due to cost, time and real world...
View ArticleDRV8844 nFault pull-high level
Hi All,In DRV8844 EVM, I remove R1, add 10K resistance pull-high to 24V at nFault pin.But I only can get about 7.5V at nFault pin.In DRV8844 datasheet, absolute maximum ratings table shows:Digital pin...
View ArticleDRV8303EVM question
Hi to allI should develop an electronic ESC and I was willing to buy the evaluation kit in object.My doubt are regarding maximum current for devices. According to user guide the maximum peak current...
View ArticleConnecting DRV8432 to 3.3V processor board
Hi AllI would like to connect DRV8432 board (GVDD 12V) to 3.3V processor board. What is better voltsge translator or optocoupler ?Thank you
View ArticleClass D motor drive with analog input?
We have been using class AB audio amplifiers for dc-coupled analog servo motor drive for years. Now as we push for much smaller packaging, heat dissipation is a major issue. I have been searching for...
View ArticleDRV8302 EN_GATE problem
Dear SirI bought DRV8302-HC-C2 EVM and use encoder for position control of BLDC.We modify the GUI_project_InstaSPIN_BLDC in controlSUITE with two SWs (Start and Stop) to make the EN_GATE to High and...
View ArticleDRV8412/DRV8432 max Transient Current Rating
Hi,Based on the datasheet, it indicated that the peak transient current is 16A. What is the duration for this peak allowable?Currently, there is the requirement for the design to withstand the 16A-17A...
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how to compute the real time and in ccs the plot with sample
dear please;how to compute the real time? the results with sample?
View ArticleDriving 5 or 10 Stepper Motors in parallel
Hello Experts,I want to drive around 10 stepper motors (actually a stepper motor like coils, which use the fundamentals of stepping motors) using a single micro controller.Will it be a better choice to...
View ArticleDRV8834 Phase/Enable Mode
I am using DRV8834 in one of my project. Where in I am not getting enough torque. If I increase current, keeping Vref constant, both Avref and Bvref connected directly to VREFO, and changing...
View ArticleDRV8412 EVM kit
I have just obtained the DRV8412 motor contol kit as the example applications for stepper motor control closely match my end application.I was hoping to use the source for this demo as a starting point...
View ArticleRDK-BLDC
Hello,I'm working on a new project to realize a BLDC driver.The main features should be :- BLDC motor with hall sensors- 24 to 48V - up to 15A- 4 quadrants may be with braking resistors (acceleration...
View ArticleDRV8412-C2-KIT
Hi team,First I'm sorry for my poor Chinese English!I'm looking for the DRV8412GUIv6.exe for the DRV8412-C2-KIT,because the DRV8412GUIv2.exe and DRV8412GUIv9.exe at hand can't work properly,double...
View ArticleDRV8332-HT used with a Servo Motor
Hello, Opinion:Will DRV8332-HT drive the servo motor described in the attached document. David Robinson
View ArticleDRV595 Questions
Hello,Please answer following questions. < Q1 >Datasheet title is “15V/±4A High-Efficiency PWM Power Driver”.What is the meaning of “15V” ? < Q2 >Question about “VICM Input common-mode...
View Articledetecting back EMF in DRV8837
We have a consumer product design that has a DC motor and we plan to use DRV8837 for this design. When users push a button, the DC motor will go into forward direction and raise a cap to a predefined...
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