Request for pointers for developing 40kW VFD for Dynamometer
Greetings. I am trying to find some motor control reference designs with the aim of getting to a custom VFD design for a dynamometer that will be powered by an AC 3-phase induction motor, upto a level...
View ArticleCCS/DRV8702D-Q1EVM: CCS/DRV8702D-Q1EVM
Part Number:DRV8702D-Q1EVMTool/software: Code Composer StudioHII'm was recently to introduced with the DRV8702 and after reading it's technical documents i have a few questions about it.1. From what i...
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DRV10975: SPEED CONTROL of DRV10975
Part Number:DRV10975Dear, AllCustomers are evaluating using DRV10975.They are doing SPEED CONTROL using the I2C command, but sometimes the motor stopped.Therefore, when they observed the command, it...
View ArticleBOOST-DRV8711: Optimizing BOOST-DRV8711 settings for attached stepper motor
Part Number:BOOST-DRV8711I have a TIDA-00261-BOOST-DRV8711 evaluation board that I am trying to see if the components are sufficient to operate the attached stepper motor. Without too many tweaks in...
View ArticleDRV8305: CONTROL REGISTERS MODIFICATION (NOT -Q1)
Part Number:DRV8305Hi,Just wanted to confirm that a standard (not -Q1) DRV8305 can modify source/sink current registers etc., as the datasheet, in page 39, says: "Control registers are used to set the...
View ArticleDRV8301: DRV8301
Part Number:DRV8301Hello, so I have just been trying to get a better understanding of how the DRV8301 controls a PMSM by taking an Oscilloscope to the three leads and observing the waveform as I run...
View ArticleDRV8823: About Stall Detection Function..
Part Number:DRV8823Hello,I'm trying to use DRV8823 for bi-polar stepper motor control.and one of the function that I want to do... isa Stall Detection function.I was trying to check Current on the...
View ArticleDRV8301: arduino LaunchPad
Part Number:DRV8301Hello, I bought a DRV8301 with the intention of driving a Brushless DC motor using FOC sensored. I also bought a C2000 Launchpad SL TMS320F28027F which has been the most frustrating...
View ArticleDRV8701: Limit VGS on DRV8701
Part Number:DRV8701We are using the DRV8701 which can output up to 10V VGS. I'm looking at limiting the gate drive VGS from the DRV8701 using a zener. Will this cause any issues with the DRV8701?...
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DRV8703-Q1: SPI Communication problems
Part Number:DRV8703-Q1I am trying to SPI communicate to DRV8703-Q1 and I use following arduino SPI code:void testSpi(){ usleep(10); // SPI WRITE vspi->beginTransaction(SPISettings(spiClk,...
View ArticleDRV8704: Fault line is being driven low on initial power up.
Part Number:DRV8704Fault line is being driven low on initial power up by DRV8704 (pin is externally pulled up). The chip is held in reset and periodically will power up with the fault pin latched low....
View ArticleDRV10983: DRV10983
Part Number:DRV10983Hi Cole,I am now trying to rotate ceiling fan with DRV10983 but the parameters differs with and without blades, and actually what happened was :If there was no blades I measure Rm...
View ArticleDRV8814: ENBL delay time
Part Number:DRV8814MD team, My customer have a question.Could you please let me know the DRV8814 delay time for between xENBL to OUTx?ThanksMuk
View ArticleDRV8301: Help in designing an electric drill using DRV8301
Part Number:DRV8301Hello,I am working on the design of an electric drill. I am using the following components:BOOSTXL-DRV8301LAUNCHXL-F28027FCode Compose Studio (v6)Motorware - Instaspin-FOCI am using...
View ArticleDRV8837: About VM current at some mode
Part Number:DRV8837Hello, Regarding to VM current on DRV8837, my customer is asking some question. (Question) (1) When VCC<1.7 V (VCC undervoltage), the device enters a low-power state andVM...
View ArticleSelection of DSP/MCU for washing machine BLDC motor Controller
I'm in charge of optimizing the BLDC motor controller of washing machine models that we build in our company.As of now, our controller is build around the Microchip dsPIC33FJ32MC202.I believe I can use...
View ArticleDRV8873-Q1: looking for alternative of VNH5019A
Part Number:DRV8873-Q1Hi team,Can you please advise back if we have an alternative part for VNH5019A (ST microelectronics)Thanks and regards,Shai
View ArticleDRV8305: CONTROL REGISTERS MODIFICATION ISSUE
Part Number:DRV8305Hi,Finding strange issues when modifying registers in my DRV8305 via SPI. When trying to modify in a lab the registers and I read back the same same registers to make sure they have...
View ArticleDRV8703-Q1: DRV8703-Q1 - low voltage on shunt
Part Number:DRV8703-Q1Hi Team,Customer I work with used DRV8703-Q1 and makes some current accuracy measurement analysis.Following by datasheet, valid gain range is only for shunt voltage about 10mV...
View ArticleDRV8886AT: Autotune application reduces EMI
Part Number:DRV8886ATHiMy customer is currently applying DRV8886AT.The customer thinks emi has a strong point about Autotune.I found the content on page 4 of the document...
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