RE: Stepper Motor Driver DRV8835 Voltage Problem
Hi Rick,MODE=1 pin voltage is 3.3V. For MODE=0 and ENA=ENB=0 the current is 190mA (coaster). May be I can try the current for MODE=0 and ENA=ENB=1 (break)Thanks for the information on DRV8846 and...
View ArticleStepper Motor Driver DRV8835 Voltage Problem
I am using a stepper motor DRV8835. I have put in the function as the IN/IN mode (MODE =0), For AIN1, AIN2, BIN1 and BIN2 we gave signal as 0101 and the output voltage I was expecting as 0V, 5V, 0V,...
View ArticleDRV8308: Pre-Driver PWM Pulse Width with Closed-Loop Speed Control
Part Number: DRV8308What is the balance between PWM frequency, duty cycle and the control loop for closed-loop control with Clock Frequency Mode?I have an application that normally needs a motor RMS...
View ArticleDRV8308: Negative Spike on ISEN Input
Part Number: DRV8308I have read several application notes which indicate that there will be a negative spike on the ISEN input due to parasitic PCB inductance during current recirculation. In addition,...
View ArticleDRV8308: CLK50 and TBLANK Tolerance
Part Number: DRV8308Hello,The DRV8308 and DRV8307 datasheets do not specify any tolerance for the CLK50 and TBLANK specifications; only the typical values are specified. I presume that the TBLANK time...
View ArticleDRV8308: Power Darlingtons Instead of MOSFETs
Part Number: DRV8308Can the DRV8308 (or DRV8307) be used to drive Power Darlingtons instead of MOSFETs?My peak motor current is less than 1 A.
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DRV8824: request schematic review
Part Number: DRV8824Hi,One of my customer prepares to use TI's motor driver DRV8824, but lots of devices are breaking down when test.Please can you help whether there's any problem on below...
View ArticleRE: DRV8323R: I think I found major defect on DRV8323RS.
Hi again!I have tried what you said: turning brake line(INLC) low.But it seems it's not working. I tried to see the signal with oscilloscopes, but I accidentally blew up the board...Anyways, while...
View ArticleRE: DRV8323R: I think I found major defect on DRV8323RS.
I have done what you said on fully functioning board. And the result is same. Also I found some new one. After enabling the device and before configuring it to 1x mode(with debug mode), I spun the...
View ArticleDRV8323R: I think I found major defect on DRV8323RS.
Part Number: DRV8323RHi this is David!I am currently developing motor driver board with ti's drv8323rs chip(btw, I love this chip xD)Anyways, I am using 1x PWM mode and there's a problem with...
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DRV8834EVM: EVM App ITRIP A question
Part Number: DRV8834EVMHello.I used DRV8834EVM have a question need you help. I set AREF A to 0.22V check Motor Current is 220mA. But App show ITRIP is 137.74mA.In SLVU701A User's Guide Equation 1 is...
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RE: DRV10987EVM: no EEPROM Write possible, no reaction from DRV10987EVM
Hi Cole,here my description were the error message appear:Connect DRV10987EVM as shown in DRV10987EVM User's GuidePower on DRV10987EVM with appropiate voltage to VCC as shown in device operation range...
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DRV10987EVM: no EEPROM Write possible, no reaction from DRV10987EVM
Part Number: DRV10987EVMHi Cole,my problem I have with the DRV10987EVM, which I described in the threat of Eric Chen at the 19. jan 2018 is still there not solved.I have tried to install all Drivers,...
View ArticleDRV8886AT: A4984
Part Number: DRV8886ATHI Sir We would like to use DRV8886AT to replace A4984 ,Beside include current sense and auto decay function May I know DRV8886AT have others feature and better than A4984 ?If you...
View Articledrv10983: Motor windings
Part Number: drv10983Hello,is it better to use a motor with sinus or trapez oriented winding for the DRV10xx as has an sinusoidal current control scheme?Regards, Holger
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drv8320: Operation of sensored softwere
Part Number: drv8320HiI'm evaluating DRV8320H using BOOSTXLDRV8320H EVM.The requirement is sensored application, so I followed the user guide, the sensored project was built and loaded to device. I...
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