RE: Blown DRV 8801
Hello Rick, sorry for my late reply. I had the capacitor disconnected for the test. I connected a new .47µF capacitor to GND and had the same results. Looks like the Voltage Regulator is broken. In...
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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: DRV10866: DRV10866
Rolf, Without known exact operation condition, I can only guestimate, I would expect less than 3% speed variation with exact same motor under same load condition and temperature across many DRV10866....
View ArticleRE: BOOST-DRV8711: Using the BOOST-DRV8711 with the MSP432
I now have it stepping properly. I checked the faults and it appeared to be an overcurrent. I lowered the Torque register and it works perfectly. However, I do not fully understand the Torque register....
View ArticleRE: BOOST-DRV8711: Using the BOOST-DRV8711 with the MSP432
Hi Jordan, Please refer to equation 1 of the datasheet. The Torque register along with the gain and sense resistor set the 100% current in each winding.
View ArticleRE: DRV8833: Automotive Qualified Version
Hi Alberto, Sorry for the confusion this has caused. The DRV8833QPWPRQ1 does not exist. We are now working on removing the DRV8833QPWPRQ1 device from the DPPM/FIT/MTBF estimator.
View ArticleDRV8833: Automotive Qualified Version
Part Number: DRV8833Dears,I was looking for the MTBF for the DRV8832-Q1 when I saw there is data for a part named DRV8833QPWPRQ1Is this part going to be released soon, is it a custom qualified part for...
View ArticleRE: DRV3205-Q1: About using semiconductor processes and latch-up test
Hi Shimizu-san,Yes we confirm that latch up on the DRV3205-Q1.Regards,Will Toth
View ArticleDRV3205-Q1: About using semiconductor processes and latch-up test
Part Number: DRV3205-Q1Hi,My customer is using DRV3205-Q1. He has same questions. Could you answer me the following questions, plsease?Q1: Which semiconductor processes does DRV3205-Q1 use? -> CMOS?...
View ArticleRE: DRV3205-Q1: About using semiconductor processes and latch-up test
Hi Toth-san, Thank you for your reply. Is the semiconductor processes CMOS?Best regards,Shimizu
View ArticleRE: DRV11873: DRV11873 for very slow speed gimbal motor control
Hi Seil, Thanks for your response, I use gimbal motors as a direct wheel motors in my robot. questions:Can I disconnect power to the motor with DRV11873? Is there an enable signal? Can I use a one of...
View ArticleDRV11873: DRV11873 for very slow speed gimbal motor control
Part Number: DRV11873Hi,Can I use this DRV1183 to drive a blcd gimbal motor at very slow speed? and I need a very smooth, control from zero speed to start moving.B.R.Salvador
View ArticleDRV3205-Q1: The max/min value of input offset voltage and drift of current...
Part Number: DRV3205-Q1Hi,My customer is using DRV3205-Q1. He has some questions about input offset voltage and drift of current sense amp.Q1: Could you let me know the max/min value of the following,...
View ArticleSRM Motor Control
Hi All ,i am new to SRM motor control...i want to control a 1KW SRM motor .The specifications areMotor Power -1KwSupply Voltage -230V ACSpeed -150 RPM to 12000RPMTorque - 60Ncm@12000RPM, 6Nm @150RPMThe...
View ArticleAbout the spindle output(U/V/W) in TPIC2060
Hello, My customer is asking about spindle output(U/V/W) in TPIC2060.They will change from spindle acceleration to CAV(Constant Angular Velocity) control by host controller.At changing timing, the...
View ArticleRE: DRV8833: Automotive Qualified Version
Hi Rick, Thank you very much for the clarification. No problem at all, it would have just saved me a couple of tracks and capacitors :). Best Regards,
View ArticleDRV8825: Driving Low voltage stepper motor with DRV8825
Part Number: DRV8825Hello,I have a NEMA 17 stepper motor, rated at 1.5 A and 2.5V max input voltage. The Operating Supply Voltage for DRV8825 starts at 8.2V. I understand, that the driver monitors the...
View ArticleRE: DRV8841: DRV8841 about design issues
Hi Mickey, We will investigate and reply soon.
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