RE: DRV10983: constant abnormal Kt and strange stall performance
Yeah... I solved it buying a different motor driver that doesn't stall out at a feather's touch. Sorry.
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DRV10983: constant abnormal Kt and strange stall performance
Part Number: DRV10983I am using the DRV10983 (currently on the DRV10983EVM eval board) to control a GBM4108H-120T motor. I used the GUI at first, but now I am using a microprocessor to set...
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RE: CCS/DRV8305: Problem with DRV8305
thanks for response, yes i am using BOOSTXL-DRV8305EVM and LAUNCHXL-F28069M together. the following pictures are in DRV8305 datasheet.
View ArticleCCS/DRV8305: Problem with DRV8305
Part Number: DRV8305Tool/software: Code Composer StudioHi ,i have few question about DRV8305 and its connection with TMS28069M;1-) in datasheet has been mentioned that SPI setting should be like this:...
View ArticleDRV8308: When the motor stops, it sticks for about 0.5 seconds
Part Number: DRV8308Hi Everyone,I am using the DRV8308 to drive a 77W Brushless DC motor. It is working quite well at the moment in "clock frequency mode". However, I'm suffering one minor...
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DRV10970: Current operation mode problem
Part Number: DRV10970Hi,I choose DRV10970 driver for Faulhaber motor EN-1226 (9W).And I have a problem with current signal form, it's not looks like in you datasheet (see photo). Can you confirm that I...
View ArticleRE: DRV8885: 2-phase excitation of full step
Hi Rick-san,Thanks for answer.I want to understand IFS definition of recommended operating condition. IFS is set by external resister connecting GND. Can customer set IFS above recommended operating...
View ArticleBOOSTXL-DRV8305EVM: MOSFTET on BOOSTXL-DRV8305EVM
Part Number: BOOSTXL-DRV8305EVMHello, I am working on a project where we use the BOOSTXL-DRV8305EVM but I am confused about MOSFET used. On page 4 of the user's guide, it is written that CSD18540Q5A...
View ArticleDRV8847: IDS V/S temperature curves for DRV8847 and DRV8844
Part Number: DRV8847HI, I need to have the curve of IDS V/S temperature, to know the maximum allowable drain current at different temperatures for below parts. 1. DRV8847 Dual H-Bridge Motor...
View ArticleRE: DRV8885: 2-phase excitation of full step
Hi Fujiwara-san,Can customer set IFS above recommended operating condition? In particular, DRV8885 and DRV8886 can set IFS=2.1A?The DRV8886 may operate at 2.1A. From section 7.1 of the datasheet "The...
View ArticleDRV8885: 2-phase excitation of full step
Part Number: DRV8885Hi Experts,My customer is interested in DRV8885 because of this device does not require an external resistor for current motor.Customer will use Full-Step and customer's motor is...
View ArticleRE: DRV8711: too expensive and too weak
Hi liur, Thank you for your inputs. Would it be OK to contact you for more information?
View ArticleDRV8711: too expensive and too weak
Part Number: DRV8711I think TI may consider a new chip to compete with TMC2160 which is more powerful and more cheaper than DRV8711.
View ArticleRE: DRV8873: DRV8873S-Q1 , Question regarding current limit threshold
Hi Swapnil, It is possible to to regulate the current using the IPROPI voltage, but requires additional circuitry. What level of current would you like to regulate? The DRV8870, DRV8871, or DRV8872 may...
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DRV8873: DRV8873S-Q1 , Question regarding current limit threshold
Part Number: DRV8873Hi,Is there a way to change the default current limit thresholds? From the data sheet, minimum limit I can set to is 3.85 A. But for my application I need this limit to be even...
View ArticleDRV8308: RPM of EVM
Part Number: DRV8308What is the TESTED minimum and maxium rpm that I can expect to achieve with the 8308 EVM and the included BLDC motor? What frame is the motor?Thanks
View ArticleRE: DRV8702D-Q1: DRV8702D Freewheel Mode Deadtime
Hi David, The dead time is applied in this case. But there is no need to wait 240ns. The device will enforce the dead time automatically.
View ArticleDRV8702D-Q1: DRV8702D Freewheel Mode Deadtime
Part Number: DRV8702D-Q1Hello Motor Drive Team,If the DRV8702D-Q1 is used in freewheel mode where a Pwm signal is only sent to the highside fet and the lowside fet's body diode is used for all...
View ArticleRE: DRV8885: 2-phase excitation of full step
Hi Rick-san,DRV8886 can operate/work correctly a following conditions?- Full-step, (Microstepping settings: M0=M1=0)- IFS=2.1A, (RREF=14.2Kohm@1% (TRQ is 100%))- VM=24V- Ta: -40C ~ +125CBest...
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