DRV8711 dv/dt and di/dt disturbences
Greatings! I`m running 6 Nema 17 stepper motors with 6 DRV8711 drivers. I`ve connected IRF530 MOSFETs. My pwm frequency is 4k to 12kHz. The current through the motors is set to 1.44A, 100us OFF,...
View ArticleReg.DRV8871 Grounding scheme
Hi,I am planning to use DRV8871 in our design for driving the motors. I would like to know few things that need to be taken during the design.1. How do we make sure noise from does not get into the...
View ArticleIn need of an 8-phase stepper motor driver
I have two Responsyn HDM-185-2000-8 Stepper motors that drive a 20" telescope. The motors specifications are Wiring: 8 phase, 9 wire, Rated Current per phase 0.875 A (Total 3.5 A).The motor operation...
View ArticlePWM controlled 12V, 0.25A (peak 2A) Motor control Module
Hi everyone,We are building a proof of concept remotely controlled prototype and I would need some external circuitry to control the motors.At this stage we are going to use cheap motors 12V, 0.25A...
View ArticleWhy is does the motor spin at twice the specified/indicated speed?
I am getting started with a F28017F Launchpad with a DRV8301 Booster Pack. I am working through the labs in the InstaSpin Projects and Labs User’s Guide. I have the gMotorVars.SpeedRef_krpm set to...
View Articlecode evaldrv8711
It's possible to have a more detailed explanation of the task 0 of code evaldrv8711?In the program I do not understand why it is used dacconverter , if in schematic the tracks of dac is not...
View ArticleDRV8308 : Problem in using ADVANCE feature
Hi,I am using DRV8308 EVM board to run a motor. Motor runs fine in CW direction with default settings and value of ADVANCE reg=157. With this setting motor is not rotating properly in CCW direction. It...
View ArticleDRV8313 Starting Time for 3.3V Internal Regulator
Hi,How many seconds does the V3P3 voltage which the internal regulator outputs become stable in after applying the VM power supply ?Could you please give us your advice since we need to control DRV8313...
View ArticleThe full-scale (100%) chopping current setting of DRV8880
Dear Motor support team,I set the IFS to be 2.0A maximum peak current with 3.3V Vref, 250*10^-3ohm Rsens and 100% TRQ setting.I confirmed IFS setting with P.18 in www.ti.com/.../drv8880.pdf.However I...
View ArticleDRV10983 motor current limit
Hi Champs,Do we have issue running motors below a certain current limit? The “no motor fault” is triggered at a phase current below 140mA does that mean that we can run into some limitation below that...
View Articletype of motor in the DRV8301 LS31 Kit
what is the type of motor in the DRV8301 LS31 Kit ?can I control that motor using C2000 Picollo Lunchpad (LAUNCHXL-F28027) and (BOOSTXL-DRV8301) ?Thank you Tarek Doghish
View ArticleIssue with DRV8313 Evaluation Module Software
The software has abruptly started giving error. A pop-up screen shows following information while we try to connect the EVMMember: .NameFunction: GetValueError In: InternalInvokeVError: Type...
View ArticleDRV10983 and drv8313 ti application software not compatible with windows 8...
why DRV10983 application software is not compatible with windows 8 and 10.
View ArticleClik here to view.
BOOST-DRV8711A won't drive
I have a pair of BOOST-DRV8711A boards connected to MSP-430G2EXPs, as specified in the user guide. They're programmed and happy (CCS 6.2, GUI tool 6.0) and communicating. I'm only trying to use one at...
View ArticleI2C pwm generator ic
Can someone recommend a dual-output pwm generator ic with I2C communication producing 20 Hz-10 kHz frequency and 0% to 100% duty cycle, 3.3V supply? Application is a solenoid driver using DRV8840/8842...
View ArticleDifference between R12 and R13 labels on the DRV8312EVM RevD and the...
Good Day,I recently bought a DRV8312-c2-kit and i was looking at the VDCBUS connection to the adc-b2 pin. Connected to the VDCBUS line is a connection from PVDD through a voltage divider created by R12...
View ArticleClik here to view.
DRV8312, nothing but FAULTs
Hello,Recently produced a prototype that uses the DRV8312 to drive a sensored BLDC motor. I'm having an issue where any time I try to drive any of the motor phases, both the OTW and FAULT lines fire...
View Articledrv8302
Iam using drv8302 to run the BLDC motor.When i run the motor without any load the current in the drv8302 is about 4.8mA but as i increase the load on the motor the current in the drv8302 increases.It...
View ArticleClik here to view.
What BLDC motor drive should I use?
Attached is a curve of the 3 phase BLDC motor I am trying to drive. I would like to have a supply voltage, to the driver, of 115vAC and the ability to control the speed/power supplied to the motor....
View ArticleClik here to view.
DRV8301 vs DRV8302 operating voltage
Hello,According to datasheet DRV8301 and DRV8302 are almost the same device except the programing method (8301 is spi , 8302 hardware programable).But their operating voltages are not same . DRV8301...
View Article