DRV8871: Motor current measurement with DRV8871
Part Number: DRV8871Hello,We would like to use the DRV8871. Because we want to use multiple motors synchronously with different chips, we need to measure the actual integral motor current. If we want...
View ArticleRE: DRV8832: VSET voltage dead band
Hello Luis-san, Thanks for your verification. I'll try to get the scope data from customer. If possible, could you also please share your data which is showing the VOUT operate correctly at...
View ArticleRE: DRV8701: Chopping and Overcurrent Protection
Hi Felipe, If SH1 and SH2 were shorted to ground you would see an OCP event triggered by our part when either high-side MOSFET is turned on. The current chopping is determined based on our Current...
View ArticleRE: DRV8701: Chopping and Overcurrent Protection
Hi Phil,Thanks a lot for your prompt answer. Some of my doubts were clarified but others remain.According to your last statement, If I used end-stop detection for my application, the driver will not...
View ArticleRE: DRV8701: Chopping and Overcurrent Protection
Hi Felipe, Apologize, understand your question now. The driver will first try to perform current chopping after the blanking time has expired, however if it can not decay current fast enough through...
View ArticleRE: DRV8701: Chopping and Overcurrent Protection
Hi Phil, Great!!!, I understand better how to deal with both characteristics : ) Thanks a lot.
View ArticleDRV8701: Chopping and Overcurrent Protection
Part Number: DRV8701Hello,I just want to start a new design using this component, I think it is awesome. I just have some questions regarding chopping and the Overcurrent Protection (OCP). If I...
View ArticleRE: DRV8871: Motor current measurement with DRV8871
Hi Franz, We will check and get back to you.
View ArticleRE: DRV10983: Driving a BLDC faster than 51 Hz
Hi Matt,How are you controlling the speed of the motor ? DRV10983 is capable of driving motor at 400 Hz, and speed can be increased by increasing speed command.I would recommend you to go through...
View ArticleDRV10983: Driving a BLDC faster than 51 Hz
Part Number: DRV10983I recently found the DRV10983 and it looks to be a great fit for what we are trying to accomplish with one exception: it can only drive the output phases at 51 Hz. We are using a...
View ArticleRE: RE: Pin numbers of DRV8850 are not clear in datasheet
Hi Team, Looks like this action never got completed. I just had a customer point out the same issue. It seems like revision A to B addition of "Pin Configuration and Functions" section did not fix the...
View ArticleRE: Pin numbers of DRV8850 are not clear in datasheet
Hi, I am going to use DRV8850 driver,the Pin description on Device information and pin details table are not matching in datasheet.http://www.ti.com/lit/ds/symlink/drv8850.pdfIn page.3 pins 18,19,20...
View ArticleRE: DRV10983: Lock 2 on startup
Hi Richard, Can you disable AVS functionality on Advanced setting page of GUI, and see if problem goes away. Regards, Krushal
View ArticleDRV10983: Lock 2 on startup
Part Number: DRV10983Hi,We are driving a small BDCM with an impeller. Normal operation is fine, but occasionally we get false starts where the motor rotates at low speed and lock2 comes on. This...
View ArticleRE: finding a motor driver to 0308 FAULHABER's motor
Hi Sam, Sorry for delayed response, inductance of motor is low for this driver, you would need driver which has higher switching frequency. I don't have any recommendation for you. Regards, Krushal
View Articlefinding a motor driver to 0308 FAULHABER's motor
hello,I am trying to find a motor driver to the FAULHABER 0308 sensor-less BLDC motor that i am...
View ArticleRE: DRV8301: How to improve the switch ring found on Vgs
Hi Young,We will investigate and reply soon.
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DRV8301: How to improve the switch ring found on Vgs
Part Number: DRV8301Hi Champs,My customer designed a low voltage motor control board using DRV8301 referring to DRV8301 boostpack. They found switch ring on Vgs when PWM on and off. You can find the...
View ArticleRE: BOOSTXL-DRV8305EVM: i am performing projeclab02b BLDC motor rotation...
Hi Pratik,It is possible to replace the MOSFET if you have the proper equipment and the board was not damaged.Can you describe exactly what you did? Please note the BOOSTXL-DRV8301 does not have the...
View ArticleBOOSTXL-DRV8305EVM: i am performing projeclab02b BLDC motor rotation using...
Part Number: BOOSTXL-DRV8305EVMHIi am performing projeclab02b BLDC motor rotation using BOOSTXL-DRV8305EVM but after connection i run GUI extension.exv but MOSFET get burn is it possible to replace...
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