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DRV8303: DRV8303 Flow Through Drive of High and Low Side FETs
Part Number: DRV8303We are using theTMS320F28069MPZT and the DRV8303 and have a problem with the GLx (lower gate output drive) spiking up when there is a transition on the GHx signal (high side gate...
View ArticleRE: DRV8305: Delay time
Hello Riveros-san,Thank you for your support.About propagation delay, I would appreciate if you inform when you could answer.About PWM propagation, I am sorrry to confusing you. I checked my customer...
View ArticleRE: DRV8303: Negative gate voltage during regeneration
I'm sorry, I was meaning SH_A and GH_A, pins 42 and 43.
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DRV8303: Negative gate voltage during regeneration
Part Number: DRV8303Hello to everyone,I have a new issue with the above mentioned three phase driver.I have an application where I use two legs of drv8303 to drive a reversible DC motor. In this...
View ArticleRE: DRV8704: DRV8704 - OCP register values are set to '1' and fault triggered...
Hi Husnain, Is this the DRV8704EVM? If not, have you tried a second board? Do you have FETs installed? If not, please install the FETs. What are the settings of the DRIVE register? Is the motor/load...
View ArticleDRV8704: DRV8704 - OCP register values are set to '1' and fault triggered...
Part Number: DRV8704Hi Team,I have made all the connections as per suggested in the DRV8704 technical document and my readings are VM = 12VI read Vint value as 5V and VCP at 21 volts and CP1 = 0V and...
View ArticleRE: DRV8711: DRV8711 can be used for 4 phase stepper motor?
Hi Hadi, 1- By 4 phase, do you mean unipolar? If so, what are the specifications of the motor (R/L/V/I)? 2- Can you clarify? What table and DIP switch are you referring to?
View ArticleDRV8711: DRV8711 can be used for 4 phase stepper motor?
Part Number: DRV8711Dear 1- I have a question about the ability of DRV8711. Whether this IC can be used in 4 phase or not?2- we use DRV8711 in our products. As you know in stepper driver, there is...
View ArticleRE: DRV8308: tune the registers
Hi Alberto, Our expert has been contacted and should reply soon.
View ArticleDRV8308: tune the registers
Part Number: DRV8308Hi everybody,I am working with a DRV8308 and i have achieved to make it work quite well, but still want to solve an issue which happens at low speeds.I am controlling a motor which...
View ArticleRE: DRV104: In a Master/Slave configuration
Good point Mike, I'm sorry we were not able to arrive to a solution.
View ArticleRE: Ringing on output of DRV8432
Hi Rainbow, The inductors are not required, but are recommended if you desire to protect the outputs against possible short circuits to high current signals (PVDD, GND). Please note section 7.3.2.2 of...
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Ringing on output of DRV8432
Hello, I am using the DRV8432 in my design, and I am getting a lot of ringing on the output at the solenoids, and motors that I am controlling. I have followed the recommended design that was given by...
View ArticleRE: DRV8305: Delay time
Hello Yamamoto-san, Thank you very much for the diagram I understand the question now. For the propagation delay question: I have confirmed that low side delay is similar to high side delay 200ns. For...
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RE: DRV8303: DRV8303 Flow Through Drive of High and Low Side FETs
I would really appreciate some feedback. Having great difficulty getting this DRV8303 gate driver to function as intended. It keeps causing shoot through and then faulting. Spent over 2 days working...
View ArticleRE: DRV8305: Delay time
Hello Riveros-san, Thank you very much for your answer. And I am sorry for my confusing English. About the propagation delay, How long should I think the margin to design over temperature? 200us is...
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RE: DRV8303: Negative gate voltage during regeneration
Hi Phil,here you are a photo of the IC. Your hypothesis is supported by the fact that this is the first time we see a damage in this condition, we use DRV8301 and DRV8301 since 5 years now, and...
View ArticleRE: DRV8704: DRV8704 - OCP register values are set to '1' and fault triggered...
Hi Rick,Thanks for the response.One of the reason for VDS as 0.7V can be the IRF540N FET which has has a ("RDS(on) Static Drain-to-Source On-Resistance ––– ––– 44 mΩ )The Charge pump voltage...
View ArticleRE: DRV8701: DRV8701 interferences radiation
Hi Phil,Yes I've tried to increase the capacitor and filter the the power line by murata Pi filter, but doens't work. I've tried to isolate all parts or stages on my board and just conect the power of...
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