RE: DRV10983: calculating in/out power
Hey Viktorija,Yes, there is a relationship between the speed command and actual speed which also relates to the power calculation.Generally speaking, the output current (RMS) multiplied by the applied...
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RE: DRV10983: DRV10983
Hello Hemantha,Let me answer your questions below:The voltage measured on VREG pin is 3.3V, how can they make it 5V for running there controller.There is a register that simply changes the value of...
View ArticleRE: DRV8881: DRV8881P (R1 and R2 value)
HI Rick,I'm also working on the project and wanted to say that making R1 to 0 ohms makes sense, but I wanted to know if having R2 was even necessary at this point if we don't need the voltage divider....
View ArticleRE: DRV8881: DRV8881P (R1 and R2 value)
Hi Uriel, Yes, you can remove R2 if you want to connect directly to V3P3. The suggestion to add footprints for both R1 and R2 allows current adjustments if necessary. A total R1+R2 of more than 10kOhms...
View ArticleRE: DRV8881: DRV8881P (R1 and R2 value)
Hi Rick, Thank you for the help! Regards, Farinaz
View ArticleRE: DRV10987: Spread spectrum modulation control
Jonathan, I agree not what I would have expected to see. I would have expected all of the frequencies to be there but with a more rounded shape and lower peak value. Not sure what might be causing the...
View ArticleRE: TMS570LS1224: - code example for DRV3205?
Hi Anthony, Thanks for your replay. I am very sad this time, it will cause great losses to others for my mistake. Thanks very much. Best wishes to you! Alex
View ArticleDRV8320: OCP trigger poin with differnt DC Bus
Part Number: DRV8320Customer tried the OCP function with the DRV8320 without Motor loading.1. VBUS=36V, The delay time between nFAULT pin and OCP trigger point of 52A is 2uS. With the time delay, the...
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DRV8801A-Q1: Effects of exceeding abs. max. ratings and driving in continuous...
Part Number: DRV8801A-Q1Hello,I'm facing following questions regarding DRV8801A-Q1 you may help with:How would the lifetime of the driver be affected if it experiences a continuous overcurrent at the...
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RE: DRV8801: VPROPI driven low problem
Could you explain more detail about why during the overcurrent event the current flows the opposite direction?Is it any relationship with sense trip voltage VTRIP= 0.5V? when SENSE voltage is above...
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DRV10970: Direction Control
Part Number: DRV10970Hi,Is there a case that the motor rotates in reverse if setting to low or high by using the motor direction control pin FR and changing the phase from 120° to 180° ?Best regards,Kato
View ArticleRE: DRV8801: VPROPI driven low problem
Hi Gene,"Could you explain more detail about why during the overcurrent event the current flows the opposite direction?" The current through the inductor does not flow in the opposite direction. The...
View ArticleRE: DRV8843: Some questions
Hi Matsumoto-san, What is the VM voltage? We will investigate and reply by Friday. Has the customer considered a different device like the DRV8870? How many different current limit values are needed?
View ArticleDRV8843: Some questions
Part Number: DRV8843Hi allWould you mind if we ask DRV8843?Please refer to the attachment file, and could you give us the...
View ArticleDRV595: application related question
Part Number: DRV595Hi Team,My customer has 2 questions:1. What if device work at load current >4A? Since the overcurrent point is 7.5A, so if device output >4A will cause any problem?2. Since...
View ArticleRE: DRV8801: VPROPI driven low problem
Hi Rick, For the on-board charger application, what is the recommended operation mode when using DRV8801 for locking the charging gun? what is the consideration? In the low side slow decay mode, does...
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RE: DRV10970: Direction Control
Hey Kato,I'm sorry, I'm not sure I understand the question. Since I think you're interested in the conditions need to make a motor spin in reverse, I'm going to explain how to do that using the...
View ArticleDRV8873-Q1: Estimated date that this IC will be on the market
Part Number: DRV8873-Q1Hi,We have requested a full datasheet of this IC and after taking a look at that, we think this could be a good candidate IC for motor control.So could you please give an...
View ArticleRE: DRV8843: Some questions
Rick sanThank you for your cooperation!We are wait for your reply.What is the VM voltage?->24VHas the customer considered a different device like the DRV8870?->Yes, they has. However DRV8870 is...
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