DRV8308 compensation
Hi,I am trying to run a 6 pole BLDC motor using DRV8308 but i am unable to find suitable FILK1,FILK2,COMPK1 ans COMPK2 values for this motor.On what basis are the poles and zeroes selected?Thanks Sudeep
View ArticleQuestion regarding TI reference design for BLDC motor inverter circuit...
Hello -I have a question regarding the BOOSTXL-DRV8305 schematic (http://www.ti.com/lit/ug/slvuai8/slvuai8.pdf, ). Capacitors C4, C5, and C6 are 35V rated 5R capacitors with a 1uF value.What is the...
View ArticleUsing the BOOST-DRV8711
Hello, I am working with my university on an application with a stepper motor. The suggested driver circuit is the Boosterpack with DRV8711 (BOOST-DRV8711) circuit. This item is easily mounted on a...
View ArticleDRV8308 compatible EEPROMs
Which EEPROMs are compatible to the DRV8308? Is it only the 93C46B or are the 93C56B and 93C66B (they have more address bits as they are 2k and 4k) also compatible? Does only this EEPROM-family work or...
View ArticleDRV591 part number
On the datasheet for the DRV591 there are different part numbers listed can you tell what the difference is between DRV591VFP and DRV591VFPG4
View ArticleImporting PCB footprint files into SolidWorks
I would like to import the PCB design files for the board used in the DRV8312-69M-C2-Kit into SolidWorks. Unfortunately, SolidWorks (and CircuitWorks) cannot import Gerber files. Could someone at Ti...
View ArticleDRV104PWPR THERMAL ANALYS
e2e,The data sheet for the DRV104 mentions temperature measured on a JEDEC Standard Test Board. Can you tell me which JEDEC Standard test board was used please?Thanks for your help.Regards,John Wiemeyer
View ArticleDRV8301 supply current versus transistor total charge
Hello everyone,I am working on a desing with DRV8301.It works fine but I experience the circuit is warmer than expected.The plan is to drive 3 or more Mosfets in parallel.I have more prototypes and I...
View ArticleDRV8711 What happens with Incorrect Stepper Motor Hookup?
Hello TI Motor gurus,I'm debugging the DRV8711 in my prototype, and came across a "System wiring bug" that has existed in previous Motor designs. What happens if you incorrectly wire a Stepper Motor to...
View ArticleOvercurrent Control Timing between DVR8801-Q1 and DRV8801(Ver.I)
Hi,Can you kindly let us know (clarify) the following question (why) :In DVR8801-Q1 (datasheet), we cannot find Tdeg. But in DRV8801(Ver.I), Tdeg is definded as 3us.DVR8801-Q1: (copy and...
View ArticleDRV8870 / IIH at VIN=5V, INx State after Current Regulation
Hello,(1) IIH at VIN=5VCould you please let me know the IIH(max) at VIN=5V?In the datasheet, there is the IIH(max) as 100uA at VIN=3.3V only.(2)Recommended INx state after current regulationIn the...
View ArticleDRV8811E 1/2 step operation
HelloI have question about 1/2 step operation of DRV8881P.Fig25 of DRV8881 datasheet mentions 1/2 step operation of DRV8881P.How about DRV8881E?I worry how to setting about the state of 0% Iout. (EN?...
View ArticleParametrs SPI communication DRV8308
Hello. What are parameters SPI communication DRV8308(what is level on SCK without impulse(no communication)?; data is sampled on the leading (first) or trailing (last) edge of SCK?). I developmental...
View ArticleF28069M LAUNCHPAD + BOOST-DRV8848/DRV8711
Is there Motorware projects or the equivalent support for using the DRV8848/8711 Booster packs with the F28069M launchpad?I have the F28069M launchpad currently with the BOOSTXL-DRV8301 and used the...
View ArticleDRV8870 / IVM, IVM(sleep) at VM=16V
Hello, Could you please let me know the IVM, IVM(sleep) value at VM=16V?Best Regards,Ryuji Asaka
View ArticleIntefacing EK-TM4C123GXL with DRV8305 Evaluation Board
We are facing some issues while interfacing DRV8305 with EK-TM4C123GXL board.We have interfaced this with SPI on EK-TM4C123GXL board with single PWM operation mode of DRV8305. but we are not getting...
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DRV8711EVM SW Bug
Hello TI,I have been evaluating the DRV8711 for a while using the DRV8711EVM and Eval PCB. I've also designed it into my application, and FW is already being developed.I've noticed a really annoying...
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DRV8842 Resoldered 100Hz output
Hello Team!I made a wrong connection to the DRV8842 IC and blew it up, so I wanted to replace it manually. I Dissoldered the broken chip with a hot air soldering tool, which was complicated because of...
View Article[DRV8312] Switching problem with high current pulse
Dear TI's experts,I'm using DRV8312 to do sensorless BLDC algorithm without TI's library. I met a problem with the switching schematic:When a phase is in Hi-Z stage, at the first times working, its...
View ArticleDRV8850 VPROPI pin voltage..
Hi,We are using DRV6650 in our design for motor drive. As per equation VPROPI resister set as 3K for 2.5 A current. we can get voltage as per theory :I*R/2000, but we cannot get voltage. we get only...
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