RE: BLDC Motor with current regulation
Hi Jasraj, The customer abandoned the speed control. He change the motor from BLDC to brushed DC, too. So, I suggest him to use the DRV8870. Thanks, Naoki Aoyama
View ArticleRE: DRV110 for 1000Watts solenoid driver
Hi Kevin,Thanks for your reply..There is no typo here.The actual specifications of the solenoid is same.Resistance - 11.5 OhmPeak current - 15AOperating time - 100ms.Yes i just replace the diode by...
View ArticleRE: DRV8302 Fault Pin
Hi Nick, Thank you for your interest. We benefited from texas EVM design for brushless dc motor, I shared our drawing below. Meanwhile, I have a lot of same pcb so I will check our design for any...
View ArticleRE: DRV8803 PWM duty cycle floating point handling relate issue
Hi Mr.Rick Duncani have countered the problem. The PWM signal(Duty Cycle) that i have generated is not supporting the Floating point Duty outputs. Because the Duty cycle is declared as integer in the...
View ArticleDRV8803 PWM duty cycle floating point handling relate issue
Hi I have query on PWM signal input to DRV8803. Did the IC handle floating point Duty cycle input. I theink it is not working . I got same values for 50.1 to 50.9 and sudden variation for 51. How can i...
View ArticleRE: DRV110 for 1000Watts solenoid driver
Hi Elango, I don't see anything that should cause this to have an issue, though as you mentioned you may need to experiment some with the oscillator frequency due to the high gate capacitance. My only...
View ArticleRE: DRV110 for 1000Watts solenoid driver
Dear Kevin, Thanks a lot..Your answer has given a big confident to us..Let us know if any particular issue arises during the upcoming test and evaluation... Thanks..........
View ArticleDRV110 for 1000Watts solenoid driver
Dear Engineers,Please let me know the below design will meet using the DRV110 solenoid driver...Our Requirement is,Inductance of the solenoid = 25mHResistance of the solenoid = 11.5 ohmPeak current...
View ArticleDRV8801 VBB Spec'ed for 8-36v volt operation, but nFAULT requires 12v.
DRV8801 VBB is spec'ed for 8-36v volt operation, but nFAULT requires 12v. Given this spec, I choose this device to operate a pneumatic valve which requires 10 volts PWM. The DRV8801 VBB range should...
View ArticleRE: DRV10963B OTP settings
Hi Arsenii, Our experts have been contacted and should reply soon.
View ArticleRE: Qustions about TIDA-00735
Hi Kevin, We will contact the author and have a response soon.
View ArticleQustions about TIDA-00735
Hi team,would you please help to provide the example code of G2553 in TIDA-00735? And explain what is the interface used between G2553 and main controller? thanks.Kevin
View ArticleRE: DRV8801 VBB Spec'ed for 8-36v volt operation, but nFAULT requires 12v.
Hi Richard, Thank you for you comment. At this time, there is no plan to change the datasheet as you suggested. The device continues to operate below 13.8V, but the nFAULT pin is asserted. The DRV8801...
View ArticleRE: DRV10963B OTP settings
Hi Arsenii,I don't think we have any part number DRV10963B, but we have DRV10963PI am going to assume you are talking about DRV10963P. DRV10963P is blank part without any preprogrammed setting and user...
View ArticleDRV10963B OTP settings
Hello!On page 17 of datasheet for DRV10963 I found OTP params such as ILIM and HO_TH. These parameters are for set of differenet types of DRV10963 such as DRV10963JJ or DRV10963JM. But there is one...
View ArticleRE: Qustions about TIDA-00735
Kevin, I'm not sure about what does the interface mean. G2553 configures DRV8303 registers with SPI. High side control of motor drive is realized with Timer 0 as PWM generator and low side control is...
View ArticleRE: Qustions about TIDA-00735
Axel,G2553 should receive command from a main controller, it is a singal wire interface called COM in the schematic. Can you please help to explain how it works?Do you know when the example will be...
View ArticleRE: Qustions about TIDA-00735
Kevin, This signal is a PPM signal with a high-level width varying from 1ms to 2ms. 1ms means 0 speed and 2 ms means full speed. I'm working on the example code to make it more robust. And some other...
View ArticleRE: DRV8302 Sink current value
Hi Shimizu-san, We will investigate and reply soon. And that you for pointing out the reference to the REG 0x02. This will be deleted in the next update.
View ArticleRE: BLDC motor driver
Hi Divyesh, Can you provide additional information? Are you using the DRV8308EVM or a custom board? If the DRV8308EVM, are you using the motor provided? What is the system voltage? What is the specific...
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