why LD3 blinking red when Enable Flag is 1 DRV8312 PM_sensorless
When I first build the PM sensorless project, it builds fine with 2 warnings - missing TI attribute and a version of C5.2.1 is not installed...i debug onto the DRV8312 board and it's good. I then run...
View ArticleDRV8880 AutoTune operation
I'd like to understand details about AutoTune operation of DRB8880.Is it same operation with adaptive decay on DRV8846 Figure 10, 11 and 12?Best Regards,HIDE
View ArticleTIDA-00472 BLDC Motor Drive
Hello,while reading this Ti Design I cannot find anything about PFC. How is this implemented?best regards Ingo
View ArticleI/O ports connected to nSLEEP and nRESET broken
Hi Everybody,For a second time, I/O ports connected to nSLEEP and nRESET (DRV8814) and nSLEEP, nENBL (DRV8846) broke.First time, I made the error connecting nSLEEP (which disables regulator) to V3P3OUT...
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GUI Problem with DRV8412-C2-Kit
Since two month I got the followig problem.If I start my drv8412guiv9.exe or the Example GUI(rev.G) I got this message and the GUI do'nt start.I try to to uninstall the controlSUITE and the .NET and...
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DRV8805 nHome Voltage Output
Hi, i'm testing the DRV8805 Unipolar Stepper Driver. I'm connecting together VM and VCLAMP to 12 V. The voltage in the nHOME pin is 5V0, not 3V3. I need to be 3V3, because I use a TM4C123GH6PM to...
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DRV8833 undervoltage fault report
Hi there!I am confused about the description in Datasheet. page 11 section "Undervoltage Lockout".The text says "nFAULT is driven low in the event of an undervoltage condition", which means the...
View ArticleDRV3201 Programmable Dead Time Accuracy
Hello, Please answer following question from customer. Please advise following understanding is correct or not.When I program CFG0 register “100: 1400-1500 ns”, “A dt( Accuracy of dead time):+/ 15%”...
View ArticleBooat DRV8711 Software
I have installed the Demo software for the Boost DRV8711 from the net. After a while I could start it with the GUI and run the motor.I have checked out the 1/256 Microstep mode with "Start/Stop Step#...
View ArticleDrv8823: interfacing with Dm 8127 using spi
Hi,i want to drive my stepper motor with Drv8823 driver chip, which is directly connected to my Dm8127 board via spi interface.i've built-in support of spi generic driver module in kernel.and i applied...
View ArticleDRV8305, control of direction of rotation using one PWM mode, possible?
Hello,I want to use DRV8305 for driving three phase sensored BLDC motor, with PWM_MODE='10' in gate control register 0x7. This is "One single PWM that uses internally stored 6-step block commutation...
View Articledrv3201 slsX has current out pass through current shunt
We found drv3201 pin SLSx has current out pass through current shunt. When using 10 mohms current shunt, the voltage on the sensor has 0.5 mV or has about 50mA current pass through current shunt. It...
View ArticleDRV10983 got fried with 24v VCC
I had two break out board using DRV10983, when I apply 24v to VCC pin, both DRV10983 got fried. There was no short on the board, and it was working fine with 8.4v apply to VCC. But the part require...
View ArticleLMD18200 for stepper motor drive
Hi,I m using LMD18200 for stepper motor chopper mode drive. I m using PWM control with fixed off time control.My input voltage to chip is set at 12V, my motor R-4ohm, L-8mH. Motor coil current is...
View ArticleDRV8823 1/8 step problem
Hello,I am using the DRV8823 on my board to control 2 stepper motors, I had sucess to drive the motors using full step, half step, 1/4 step but not with 1/8 step.Using the 1/8 step sequence, the motor...
View ArticleHow i can use DRV8811 in Tina Ti software
Hello.... my question is how i can test the Drv8811 in TINA Ti software. Drv8811 is not there in the component list of TINA Ti. Before buying any component i am...
View ArticleDRV8402 failed
Hello, I have LV Multi axis + PfcKit, follow the guide for Sensorless FOC control. Motor starts ok, I can set speed ok. Motor runs without load. The current PU value is very low, about <0.05. It is...
View ArticleDRV8305 : SNx connected to GND
Is there any problem if SNx is connected to GND and SPx is connected to the other side of shunt registers?Thank you in advance,Shirai
View ArticleCAD symbol for DRV8701
Is there a .BXL file with the CAD/CAE symbols for the DRV8701?I didn't see one in the product folder.
View ArticleDRV10975EVM - Motor does not spin normally
Hello Team,Could you please help us evaluating DRV10975 ? Our customer started evaluating the device with the EVM. When they applied power VCC=12 with motor connected, motor only span once a second....
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