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DRV8307 suitable motor type and phase voltage waveform
Team,Here're some questions from emails on the DRV8307. I'm translating since the original messages were in Chinese. I've also copied Distributor James Su from Yosun, and TSR Aaron Chen in bcc.1....
View ArticleDRV8825 EMI odd condition
Hello, While using the DRV8825 I have encountered the 30khz PWM internal current when taking an EMI Test. This drastically affects the results of the test. I wanted to know if at Vm there is any way to...
View ArticleDRV8842 catch diode voltage
Hi, Looking to use the DRV8842 to drive a solenoid, trying to figure out the power dissipation.For the power fets, what is voltage across the catch diode during the recirculation phase? The current is...
View ArticleDRV8301 Default value of internal control register.
HiMy customer is using DRV8301 by not using SPI.DRV8301 is operated with default control register value. Default register value is shown as bold number in Table7,8 of datasheet.I think that control...
View ArticleDRV8432
At 24v , driving current requirement is 4a to 5a and at 30v driving current requirement is 8a to 10a.Can DRV8432 can be used to drive one single DC motor.
View ArticleMotor driver for Brushless DC motor with 36V - 48V and nominal power 500W
Hello everyone, I have bought a brushless dc motor (BLDC) with nominal power of 500 W and nominal voltage 48 V. I need to drive this motor.Please would you like suggest revelent TI driver compatible...
View ArticleDRV8301-69m-kit
Hi, I would like to control 3 phase BLDC brushless motor with a rated power 500W , rate voltage 36 V , max current 28A.the kit is DRV8301-69m-kit appropriate to control this motor ?What precautions do...
View ArticleInstaSPIN-FOC for 2-phase Steppers?
Hi all,I got a short question regarding a 2-phase Steppermotor. The customer wants a FOC-controlled solution with that one but FOC is only meant for 3-phase motors, isn't it?Kind regardsStephan
View Articledrv10983 I2C example
Hello Everybody,I am new with the drv10983 motordriver and I try to drive my ´default´ BLDC motor by I2C but unfortunately the chip gives no motor output.Is there some I2C example code how to drive...
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DRV110 solenoid drive inversion issue
Hi Folks,We are using the DRV110 to drive Solenoid coil.The requirement is that the Input and Output waveforms to be in-phase with each other. In order to achieve that we are inverting the input to...
View Articledrv8301 phase B switching problem
Hello,We have a problem with DRV8301. Phase A and Phase C work properly but Phase B doen not switch. The fault pin stays high during this situation. What can be the reason of the fault?
View ArticleDRV8840 slope compensation
Hi!I will use DRV8840 to drive a electromagnet in a MAGLEV system. I'm thinking to use the current control capacity of this IC to simplify the system, controlling the current by a DAC in Vref pin,...
View ArticleDRV8711 over current shut down on channel A
I am using MSP430F5529 and the DRV8711 booster pack trying to drive a stepper motor.At first, I was using a large 2A/phase stepper motor and I kept getting over current shutdown on channel A (checked...
View ArticleWhen using the DRV 8307, do you have recommendations for interface to MOSFETs...
I am working on a motor controller design based on the DRV8307, and have the following questions:1. The DRV8307 datasheet does not specify a parameter for dead-time during FET drive transitions. is...
View ArticleHVPM SENSOR LESS SPEED CONTROL NOT WORKING
I have purchased HVMTRPFCKIT and running my servo motor rated 91V 1.6A and 0.64 Nm torque using HVPM enhanced sensorless project. Up to Build level 6 all the thing works properly. In Build 7 also if I...
View ArticleLMD18201 to replace LMD18200
Hello,We have dozens of PCBs previously manufactured that use the LMD18200. However, we plan to use now the LMD18201. We are aware of the differences between both devices regarding the current sense...
View ArticleLibrary MDBU_Library_Elements.SchLib?
Hi,Where can I get the library MDBU_Library_Elements.SchLib which is used in one of the EVM schematics. It uses it, but it does not include the footprints for the components. They seemed to be linked...
View ArticleDRV8840 The Current feedback amp gain error
HiMy customer is using DRV8840 . Could you let me know the current feedback amp gain error? There is a description of 5 V/V in datasheet. I want to know the gain error value of this amp....
View ArticleDRV8840 OCP detection time
HiMy customer is using DRV8840 . Could you let me know the OCP detection time?Thanks,Shimizu
View ArticleDRV8301 The OC detection timing chart
HiMy customer is using DRV8301 . Could you let me know the OC detection timing chart? I want to know the following as detail.- When does OC detection start? ->Is INH_x/INL_x when it was high? Is...
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