RE: Speed measurement computation
hello,i meet the same question,i don't know about this code :if ((v->ElecTheta < _IQ(0.9))&(v->ElecTheta > _IQ(0.1))) // Q21 = Q21*(GLOBAL_Q-GLOBAL_Q) Tmp1 =...
View ArticleRE: DRV8870 - Rds(on)(min)
Hi Ryuji, Here is only a reference for the MIN RDS(on). Note this is a reference boundary with conditions which not means every device can go down to that value. Hope it can help with your voltage...
View ArticleRE: Speed measurement computation
Hello,This has already been addressed. Update the include options to refer to library files available at C:\ti\controlSUITE\libs\app_libs\motor_control\math_blocks\v4.3rgds,ramesh
View ArticleSpeed measurement computation
Hello everyone, I'm using a TMS320 microcontroller, with a PMSM motor, using a FOC control with TI functions. Sometimes, when my motor is at the beginning of movement, the system is a little bit...
View ArticleRE: Encoder interface on DRV 8312 kit
Hi Jason, Have you looked at the schematic in controlSUITE? Open controlSUITE, then perform a search for DRV8312. You will see a Hardware Development Package folder which contains the schematic.
View ArticleEncoder interface on DRV 8312 kit
Good morning everyone, i am using the DRV 8312-C2 motor control kit and i would like it know the pin description of the encoder interface.Which pins represent the channel A, B and index?Thank you -Jason
View ArticleRE: DRV8711 gate resistors
Hi Pavlin, Please take a look at the DRV8711EVM and BOOST-DRV8711 for design ideas. These are great resources available online. At the end of the datasheet, additional documentation can be found on...
View ArticleDRV8711 gate resistors
Greatings! I`m about to use your DRV8711 step motor driver for very first time! I`m using figure 20 from the datasheet to make my schematic. I don`t see any gate restors on the MOSFETs. Do I have add...
View ArticleRE: Question about DRV8801-Q1
Hello Shiraishi-san, Let me move this to the motor drive forum. They will be able to better answer your questions. Regards, Karl
View ArticleRE: Question about DRV8801-Q1
Hi Shiraishi-sanWe will check if we have this curve. Could you share what's main application concern about this request?Best regards,
View ArticleRE: Question about DRV8801-Q1
Hi Shiraishi-san, The data is not available. Please note the device will issue a thermal warning fault when it is approaching thermal shutdown. If the fault is not acted upon (lowering the PWM duty...
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Question about DRV8801-Q1
Hello,I have a question about DRV8801-Q1.What is the thermal shutdown temperature(min) ?If you have a graph, which shows time vs thermal resistance, could you please provide it?The following graph is...
View ArticleDRV8303 GVDD_UV after successful operation
Hello,We are students at Michigan Technological University and are having issues implementing the DRV8303 chip to drive a 300W PMAC motor. After populating our board and doing several safety checks,...
View ArticleRE: How to use F28069M for driving 3-phase ACIM High Power motor (1hp)?
Hi Hugo,Please look HERE for reference material.The TMDSHVMTRINSPIN is an example of using the TMS320F28069M to drive a high voltage motor.
View ArticleHow to use F28069M for driving 3-phase ACIM High Power motor (1hp)?
Hello,I was using F28069M microcontroller and the motor drivers DRV8305N). But now I need to dri a High power motor (380V 3-phase ACIM motor). How can the F28069M microcontroller drive this high power...
View ArticleRE: Which BLDC Driver?
Hi John, Please look at the DRV8308 and DRV8307. There is a DRV8308EVM available for evaluation.
View ArticleWhich BLDC Driver?
Hello,I am currently looking for a BLDC Controller/Driver/Fet solution with the following specs.24V DC Sensored BLDC Motor 65WMust be able to stop & change direction rapidly. Have internal...
View ArticleRE: For DRV-8824-Q1, Decay mode setting's suggestion?
Hi ChungChing,The overall goal of setting the decay mode is to minimize current ripple at each step. This provides higher average current (torque) to the motor. Setting the decay mode usually requires...
View ArticleFor DRV-8824-Q1, Decay mode setting's suggestion?
Dear Sir,Please help to suggest the suitable usage of three decay mode setting.Can we just define decay mode as below?Slow mode : full or half stepping , low speedFast Mode : for high level...
View ArticleRE: DRV8412 TEC DRIVER APPLICATION
Hi Jovin, I am assuming you are using operating mode 1 or 2. You will have to set one input high and the other low to cause current to flow. Please note section 7.4 of the datasheet states: In...
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