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DRV8412 TEC DRIVER APPLICATION

Can DRV8412 be used to drive two External TEC's having a maximum of 15V,3A specifications in dual full bridge mode?If the above can be used, PWM A and PWM B will be used to control the first TEC and...

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RE: DRV8834: nFault while SLEEP state

Hi Torsten, What you are seeing is the internal logic being powered down. The datasheet discusses this when exiting sleep: When exiting sleep mode, the nFAULT pin will be briefly driven active low as...

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RE: DRV8834: nFault while SLEEP state

Hi Rick, Thanks for the response. I focussed on the nFAULT pin only so I haven't considered VINT. That's the behavior I need. Thanks! Regards, Torsten

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DRV8834: nFault while SLEEP state

Hello,I am using DRV8834 driver along with a stepper motor. I also use the SLEEP state of this driver. According to the datasheet I put the device in SLEEP state by driving the nSLEEP pin low. But for...

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RE: DRV8711 write issue after sleep

Hi Gianfranco, I was not able to duplicate your finding. I wrote to all registers, enabled the device and then wrote to the CTRL register. Have you looked for unwanted clock or chip select pulses as...

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DRV8711 write issue after sleep

I want to share this issue that I recently discovered on DRV8711:if during sleep (SLEEPn forced L) the SPI is used to write 3 or more registers, then after resuming from sleep the first write access is...

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RE: survey motor driver request application in IP Cam zoom in/out

Hi Wilson, Could you let me know what situation we can use AutoTune function? if we use AutoTune function, RSENCE suggest how to design? thanks. Best Regards, Duke Kuo

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RE: Material Composition for h-bridge drivers

Hi Dean, Our devices typically have nickel and tin. You can find material compositions here: www.ti.com/.../materialcontentsearch.tsp Another available resource is:...

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Material Composition for h-bridge drivers

Hello I have a unique need for an h-bridge driver (basically use it as a controlled DPDT). I need a part that will handle +/- 5A, and in addition it will be used in an MRI environment.. so the material...

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RE: DRV10975 for gimbal applications

Hi Hasan, Our experts have been notified and should reply soon.

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DRV10975 for gimbal applications

Hello,I'm developing a gimbal application and planning to use a DRV10975 for motor driver. Since I'm using a gimbal motor which provides me high torque, almost all of the gimbal motors do not have a...

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RE: About DRV8880 AutoTune function

Hi Kuo,1) It is suggested to use AutoTune at all times. The motor specified should work with AutoTune.2) What do you mean RSENSE suggest how to design?The RSENSE is the same for all decay modes. It is...

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About DRV8880 AutoTune function

Hi Sir,My company currently simulate DRV8880 now, but have some question need you help1.    About DRV8880 AutoTune function, what situation we can use AutoTune function? Look spec should be relate...

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RE: survey motor driver request application in IP Cam zoom in/out

Hi Kuo, Your question was answered e2e.ti.com/.../502976

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survey motor driver request application in IP Cam zoom in/out

Hi all,My customers survey motor driver request application in IP Cam zoom in/outDriver Request:       Step motor driver spec       Logic Supply Voltage:    DC 3.3VMotor Supply Voltage:    DC12V and...

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RE: How to overcome APDF and BPDF errors in DRV8711 based stepper motor control

Hi Ramesh, Please note section 8.1.2 of the datasheet: 8.1.2 Optional Series Gate Resistor In high current or high voltage applications, the low side predriver fault may assert due to noise in the...

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How to overcome APDF and BPDF errors in DRV8711 based stepper motor control

Hi, We are using a stepper motor setup and DRV8711 is driver for it. We are seeing APDF or BPDF flag set and motor stopping randomly. We are just running the motor with limited current with 250mohm as...

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RE: Startup Delay in DRV8302

Hi RickStartup Delay is the time difference between EN_GATE and Motor Turning. Capacitors at DVDD, AVDD and GVDD are 2.2UF.ThanksImthiaz

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RE: DRV8711 write issue after sleep

Hello Rick, the VM was 48V. We didn't notice anything odd on the chip select and/or clock signals. Digital signals are driven by a uC through isolator/buffer like ISO7231 and ISO7220 (the 5V supply is...

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RE: DRV8711 write issue after sleep

Hi Gianfrance, Rick Just a thought here whether the time between nSLEEP high and SPI operation will be the reason to reproduce the issue or not. What is the delay after waking in customer board? Maybe...

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