RE: [DRV8824-Q1] How to make the Stall function with MCU
Hi Rick, This is gentle reminder. Please check my request. BRs, Nate
View Article[DRV8824-Q1] How to make the Stall function with MCU
Hi Champs,Customer would like to use DRV8824-Q1. but customer wants to make the stall function with MCU.Could you please reference SCH or configuration?For Current setting, can DRV8824 support 800mA...
View ArticleACI Scalar Control in Low Speeds
Hi Everyone,I have a question related with Encoder speed measurement. I have a quadrature encoder in my system and I read the speed successfully. But there are only 60 teeth on motor side. Therefore I...
View ArticleRE: DRV8837: Parallel Motor Connected
Hi Pavaman, The VM range limits available options. There is no one device that covers both the low voltage and high voltage range. Two DRV8848s operating from 4V to 18V is an option. If you need 30V,...
View ArticleRE: [DRV8824-Q1] How to make the Stall function with MCU
Hi Nate, Q1) what is best Acceleration rate and time base value? When I tune both value, noise same exist... What type of noise are you experiencing (audible, electrical, mechanical)? The acceleration...
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RE: Blown DRV 8801
Hi Rick,I had no motor connected during the tests. I set the output to 20% now, and I changed the DRV8842 again. It seems to me something is wrong at the charge pump, but I am not sure. Can you confirm...
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Blown DRV 8801
Hello,I have a circuit using two DRV8841 and one DRV8801 fed by a 24V 10A chinese DC switching power supply. I have one 4A DC Motor connected to each DRV8841, 8801 is unused at the moment. The DRV8801...
View ArticleRE: Issue with DRV8313 Evaluation Module Software
I've got the same issue... out of the box error. This is a new install. Just purchased a DRV8313EVM, hooked up a power supply, downloaded the software from TI website, installed the USB driver, (which...
View ArticleRE: Issue with DRV8313 Evaluation Module Software
Hi Christian, Sorry to hear you have the same issue. Are there any file logs that you can share?
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 ArticleDRV8803: Load current at Ta=75C
Part Number: DRV8803Dear Support Team,I have some question regarding DRV8803PWP.Can it support 1A load current for four channels on at Ta=75C?Can it support 1.2A inrush current for four channels on at...
View ArticleDRV8301: DRV8301 GVDD is always LOW
Part Number: DRV8301Hi, I have DRV 8301 designed with circuitry same as given in reference design of its datasheet.I have not connected 22 uH inductor to the circuitry as it was causing high current...
View ArticleRE: DRV8303: Problem about SPI with C2000 mcu
Hello Rick Duncan, Before updating the scope of SPI signals, I have one question. When executing Spi communication, "SPI_nCS" must be change from HIgh to low, low to High by "every 16bit transmission",...
View ArticleDRV8303: Problem about SPI with C2000 mcu
Part Number: DRV8303Hello,I have a question about SPI between C2000 mcu, TMS320F27027F and DRV8303.If I try to read status register in Drv8303 by SPI, the SDO pin of Drv8303 stayes high level and...
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RE: DRV8837: Parallel Motor Connected
Hi DuncanIs the below circuit recommended for parallel driving the coil. I cant use multiple motor drivers circuit as the board real estate is less. So can you have any other recommended solutions....
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DRV8305-Q1: DRV83055-Q1 operational temperature/ current amp
Part Number: DRV8305-Q1Hi Sir,My customer uses DRV83055-Q1 in water pump, two question need to be answered, thank you.1. Operational temperatureIn customer's board, the DRV83055-Q1 shows ~70 ℃ at the...
View ArticleRE: Blown DRV 8801
Hi Igor, What is the charge pump voltage (VCP with respect to GND) when trying to drive the outputs? What is the V3P3OUT voltage? With no motor connected and the following inputs: IN1 = Logic low IN2 =...
View ArticleRE: DRV8303: Problem about SPI with C2000 mcu
Hi Matsubara-san, SPI_nCS must be changed from high to low at the beginning of the 16 bit transmission and low to high at the end of the 16 bit transmission. Please see the post e2e.ti.com/.../478617...
View ArticleRE: DRV8301: DRV8301 GVDD is always LOW
Hi Suraj, Since you removed the inductor, can you also set the EN_BUCK to less than 1.2V. This will disable the buck to aid in debugging. Do you have the power pad connected to GND? Prior to applying...
View ArticleRE: DRV8803: Load current at Ta=75C
Hi Takahashi-san, What is the supply voltage? I have some question regarding DRV8803PWP.•Can it support 1A load current for four channels on at Ta=75C? The device cannot support this level of...
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