RE: DRV595: application related question
Hi Lilian, Could ytou please let me know whether the 5A output current is transient value or continuous value? How much is the PVCC and load resistance? Best regards, Shawn Zheng
View ArticleRE: DRV8801: VPROPI driven low problem
Hi Rick, Great. Thank you for updating me - very useful ! Gene
View ArticleRE: DRV10970: Direction Control
Hi Cole-san,Thank you for your prompt reply.I understood and will contact you if I get additional questions from our customer.Best regards,Kato
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RE: DRV8432: Fault Pin behaviour in cycle by cycle mode
Hello James,our customer would like to ask another question about that driver.Is there any “OC Latch Mode” In the “1PFB” configuration (Mode Pins set as 0 1 0) which could be adjusted by “’OC_adj”...
View ArticleDRV8432: Fault Pin behaviour in cycle by cycle mode
Part Number: DRV8432Hello,I've got a question about "FAULT_N" Pin from DRV8432. When the driver is in the cycle by cycle mode (18.7A, two DRV8432 in parallel mode), we see some fine "Low" peaks on the...
View ArticleRE: DRV8703-Q1: Double-confirmation about /FAULT & /WDFLT State during Sleep...
Hi Sakai-san, The /FAULT and /WDFLT pins will be high z when the device is in sleep mode.
View ArticleDRV8703-Q1: Double-confirmation about /FAULT & /WDFLT State during Sleep mode
Part Number: DRV8703-Q1Dear, Sir. The design at my customer side using DRV8703-Q1 is proceeding well.So they have started the reviewing of functiions which DRV8703-Q1 has.The question is /FAULT &...
View ArticleRE: DRV8814: Control the decay mode with synchronizing AENBL
Hi Mukuno-san, The customer can change the decay mode as proposed. There may be a delay of ~1us for the decay mode to change.
View ArticleDRV8814: Control the decay mode with synchronizing AENBL
Part Number: DRV8814HI DRV team,My customer have a question.They want to control the decay mode with synchronizing AENBL. (It have a few delay time. )DECAY = L (Slow decay mode), At AENBL=LDECAY = H...
View ArticleRE: DRV8801A-Q1: Effects of exceeding abs. max. ratings and driving in...
Hi Martin,"How would the lifetime of the driver be affected if it experiences a continuous overcurrent at the H-bridge outputs? I.e. if the driver will keep retrying indefinitely? In case of a short...
View ArticleRE: DRV8843: Some questions
Hi Matsumoto-san, Correct. The DRV8870 is more expensive per channel. But only one channel is required to operate the motor. The DRV8870 VREF can be adjusted to raise or lower the current limit of the...
View ArticleRE: DRV8313 EFT/Burst Test
Hello, I apologize but we do not have a solution to sit on 48V lines. However I will say you are correct that putting TVS diodes could protect for EFT however it may be difficult to find a device that...
View ArticleDRV8313 EFT/Burst Test
Part Number: DRV8313Hello,If we want to pass EFT/Burst tests do we need to put extra TVS diodes on the motor phases(Outputs of DRV8313)? What is the proper TVS diode then? I can't find proper TVS diode...
View ArticleRE: DRV8801A-Q1: Effects of exceeding abs. max. ratings and driving in...
Hello Mr. Duncan, I have a fellow-up questions about the driver, (1) It is still unclear for me what will happen if the driver experienced a transient voltage higher than 40V? will the driver internal...
View ArticleRE: DRV8313: DRV8313 Current sensing advice for a micorcontroller
Back EMF can be measured in multiple configurations, you may get a better idea here: www.ti.com/.../technical-documents.html. There should be numerous reference papers on the topic of spinning BLDC,...
View ArticleDRV8313: DRV8313 Current sensing advice for a micorcontroller
Part Number: DRV8313HI,I have been successful driving a DRV8313 with multi wheel robotics using Gimbal motors like the small ones found on quad copters. Currently I use an ESP32 and a table array to...
View ArticleDRV8308: DRV8308
Part Number: DRV8308Hello,We are trying to use the drv8308 with closed loop operation. After a few days of testing we were able to get the drive to work with different voltage and motors to simulate...
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DRV8308: DRV8308: How to limit startup current?
Part Number: DRV8308We are having trouble limiting the startup current with Clock Frequency Mode.Our startup can peak as up as 24A depending on motor and input voltage configuration (24V+-10%)According...
View ArticleCurrent Driver for Nano positioning
I am designing a moving magnet actuator for nano positioning application and need a linear servo driver that could operate it in the current mode. My requirements are - Current driver that could run a...
View ArticleDRV201: no VCM current output at mid-high current setup.
Part Number: DRV201Hi,I just run into some trouble using the DRV201 driver to drive a VCM for a research project. With the DRV201 evaluation board, it worked completely fine through the full range,...
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