Quantcast
Channel: Motor drivers forum - Recent Threads
Browsing all 21917 articles
Browse latest View live

DRV10983-Q1: What is the difference?

Part Number: DRV10983-Q1I have the Evaluation board for the DRV10983-Q1. Unfortunately this driver does not provide enough power for the motor I wish to use. The chip is rated at 30W. I have seen there...

View Article


RE: DRV8711EVM: Source code does not use SPI hardware. Bit banging is used...

Hi Greg, There is no particular reason. Some of the firmware was written originally for use across several MSP430 devices and several DRV88xx devices. The firmware writer may have decided that "Bit...

View Article


DRV8711EVM: Source code does not use SPI hardware. Bit banging is used...

Part Number: DRV8711EVMTI,The firmware team has been looking over the Source Code for the DRV8711EVM development board...#1.) They are telling me that for this EV board application "Bit Banging" is...

View Article

Image may be NSFW.
Clik here to view.

RE: DRV8323: open circuit detection when driving low side with PWM

View Article

RE: DRV8323: open circuit detection when driving low side with PWM

Hi Bashar, One method is to measure the current just prior to end of the PWM cycle. The VDS monitors can catch some cases also.

View Article


Image may be NSFW.
Clik here to view.

DRV8323: open circuit detection when driving low side with PWM

Part Number: DRV8323Below is the configuration. Need help understanding if there's a way to detect when one or more of the motor lines U/V/W is/are open. Max PWM freq is 5 KHz, and the SPI bus is...

View Article

RE: DRV10983-Q1: What is the difference?

Adrian,OC level has been changed to push higher current. Q is rated to 30W since it is for 12V automotive. What is the output power required for you motor?Thanks,Seil

View Article

DRV8308: DRV8308 with same SPI register config have slower speed at larger...

Part Number:DRV8308Hello my friends. Our company manufacture Black and white laser printer. DRV8038 have been designed in one of our printer with 40PPM to drive a BLCD motor. DRV8038 works in internal...

View Article


RE: DRV8308: DRV8308 internal register mode

Hi user5161585 , Your posts have been merged. Can you provide a few more details? What is the motor speed at small moment of force? What is the motor speed at larger moment of force? Are you trying to...

View Article


DRV8308: DRV8308 internal register mode

Part Number: DRV8308Hello my friends.Our company manufacture Black and white laser printer. DRV8038 have been designed in one of our printer with 40PPM to drive a BLCD motor. DRV8038 works in internal...

View Article

DRV8870: Motor does not work with external capacitor at OUT1 and OUT2

Part Number: DRV8870Hello support team,My customer is going to use DRV8870 with external capacitor 1uF or 0.1uF at between OUT1 and OUT2 for noise filtering purpose. (Actually, this capacitor had...

View Article

RE: I need help for selection of complete kit for driving six phase Induction...

Dear SirThanks for your reply. I have few inquiries.First, what is the voltage level range the ADC can acquire ?I am new to TI products,  So I need to ask about the monitor capability of the...

View Article

RE: DRV8870: Motor does not work with external capacitor at OUT1 and OUT2

Hi Kaizawa-san, 1. Yes, there is a restriction. If the capacitor causes the current to increase above 3.7A for typically 1.5us, the OCP circuit may activate. 2. The mechanism is typically OCP. This can...

View Article


RE: DRV8308: DRV8308 internal register mode

Thank you for the reply. "moment of force" means loads, the right word I think. I have been tried for many times to maintain the same register configuration in our printer, but the rotation rate of the...

View Article

DRV3205-Q1: DRV3205 EVM schematic

Part Number: DRV3205-Q1Dears;  Do we have the DRV3205 EVM schematic and PCB files for reference? There doesn't include the schematic of the EVM user's guide, so where could we or customers download it...

View Article


DRV8842: V3P3OUT tied to INx

Part Number: DRV8842Hi team,My customer is asking us what could happen when V3P3OUT is tied to IN1 or IN2. Both pins are connected to and driven by MCU.My assumptions are;- If MCU keep H on both pins,...

View Article

RE: DRV10983-Q1: What is the difference?

What is "OC level"?The output current of all 3 devices is specified at 2 Amps (3 Amps peak).We will need something between 40 and 50 Watts.Adrian

View Article


RE: DRV10987: bldc motor tuning

Hi Rocky, Let me clear from my side because your solution is little bit not clear for me. My issue is first point is IPD works suceessfully with 3.3A tristate with DRV10983, but with 10987 its ipd...

View Article

DRV10987: bldc motor tuning

Part Number: DRV10987I was using DRV10983 before and now using DRV10987,while tuning found 4 new parameters which actually affecting startup and peak power performance.Since i dont have not much...

View Article

DRV10987: BLDC MOTOR

Part Number: DRV10987Every BLDC motor has its own operating voltage and current.For DRV10987 I have designed my own motor.I would like to calculate my motor's operating voltage and current , so can you...

View Article
Browsing all 21917 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>