DRV8825EVM Software Installation Issue
I am having an issue with installing the executable (setup.exe) in the application folder for the DRV8825EVM.www.ti.com/.../drv8825evmI followed the ReadMe file steps found in the slvc502a.zip folder:I...
View ArticleRE: BOOSTXL-DRV8305EVM: With LAUNCHXL-F28027F, nFAULT LED turns red but FAULT...
Hi Asha, What do you mean "The system dies before I get to see this “FAULT” bit on."? The live captured data did not appear. Would you please re-send it?
View ArticleRE: BOOSTXL-DRV8305EVM: Back-EMF
Hi Dung, The two posts have been merged into one. What happens when the system shuts down? Does it recover? What is required for the system to recover? Have you examined the voltage on VM when you spin...
View ArticleBOOSTXL-DRV8305EVM: Back-EMF
Part Number: BOOSTXL-DRV8305EVMI am working on a project that uses TI controller to drive an Ebike (assist bike). One of the most critical issue that I am facing is the controller and battery shut...
View ArticleRE: BOOSTXL-DRV8305EVM: With LAUNCHXL-F28027F, nFAULT LED turns red but FAULT...
(Please visit the site to view this file)Hi Rick,Well I never see the FAULT bit nor any other bits except VCPH_UVFL and PVDD_OVFL per structure below.Also, I have attached the live captured...
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BOOSTXL-DRV8305EVM: With LAUNCHXL-F28027F, nFAULT LED turns red but FAULT bit...
Part Number: BOOSTXL-DRV8305EVMHi,I have LaunchPad XL Tms320F28027F plus Boostxl-Drv8305. Using it to run our motor.The structure “DRV_SPI_8305_Vars_t gDrvSpi8305Vars” is being monitored via the...
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DRV8885: DRV8885 RREF quesitons
Part Number: DRV8885 I would like to know if any recommended value of below components (R1,R2,C1,RREF) and the formula of PWM duty/Ifs, the PWM is 10K and would like to get the Ifs from 280mA to...
View ArticleRE: CCS/BOOSTXL-DRV8305EVM: my MOSFET is overheat
I think it perhaps because the gate drive resistor and the dead time. 1.I decrease the gate drive resistor value from 4.7Ω to 0Ω,but the mosfet is still overheat. 2.according to the...
View ArticleRE: DRV8701: drv8701
Hi Xufeihx, No, this cannot be done. You need approximately 60V to turn on the high side FETs. The charge pump of the DRV8701 provides this voltage. You need a 60V gate driver. There are a few options...
View ArticleDRV8701: drv8701
Part Number: DRV8701HiI want to control a 50v/4A DC brush motor use drv8701。Can I use two separate surplys one is 15v for drv8701 and another is 50v DC for motor?Best Regards,xufeihx
View ArticleRE: DRV8301: DRV8301 showing no fault still not working
Hi Jesal, Is your problem with the DRV8301 or the LaunchXL28069? If SPI_CLK is not showing up, this appears to be a problem with the LaunchXL28069. The procedure is listed in the datasheet starting at...
View ArticleRE: DRV2700, recommended buzzer, smoke detector
Hi Kelly, which kind of piezo (in combination with the appropriate TI driver) brings the best solution for a smoke detector, cost and efficiency wise? Thanks and bye Hanno
View ArticleRE: CCS/BOOSTXL-DRV8305EVM: my MOSFET is overheat
Hi Ming, If you have a current probe, please look for abnormal currents at high motor speeds. If you see abnormal currents, please determine the cause. Please examine the gates of the FETs to confirm...
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CCS/BOOSTXL-DRV8305EVM: my MOSFET is overheat
Part Number: BOOSTXL-DRV8305EVMTool/software: Code Composer Studiohello everyone,I design a ESC(Electrical Speed Controller) for my UAV,and I use the InstaSPIN-FOC algorithm.I degign the PCB according...
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RE: DRV8301: DRV8301 showing no fault still not working
Hello Rick,Sir, I've successfully tested LAUNCHXL28069 which worked well. I tried with the procedure you described watching DRV_Ctrl register 0x2 which showed 0x0000. Also regarding the EN_GATE, i...
View ArticleRE: DRV2700, recommended buzzer, smoke detector
Hanno, I have given the link to our reference design. There are a multitude of piezo elements and many other factors to consider when making a smoke detector. I am happy to help you with any specific...
View ArticleRE: DRV8881EEVM: DRV8881
Hi Rick- We'd like to be driving the stepper motor at twice the velocity entered into the DRV8881EEVM PC application. Say at 400 PPS. -Tim
View ArticleDRV8881EEVM: DRV8881
Part Number: DRV8881EEVMHello-We are trying to adapt the PC code for the DRV8881EEVM so we can increase acceleration and deceleration rates for our motor. Could you please tell us which version of GUI...
View ArticleRE: DRV8301: DRV8301 showing no fault still not working
Hi Jesal, Do you have a solid ground connection to the power pad of the DRV8301? This can cause many problems if the connection is not there. Have you set EN_GATE high and confirmed the regulators are...
View ArticleDRV8301: DRV8301 showing no fault still not working
Part Number: DRV8301Hello there,I've been working with communicating LaunchXL28069 with DRV8301 (we designed the driver hardware) via SPI .The FAULTn and OCTWn pins shows logically "1" during power...
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