problem in DRV 10983 working
Sir,I have a drv 10983 and riving a motor using msp430 launchpad. I m able to do i2c communication properly, and i m driving the motor with both i2c and pwm.Then i put msp430g and drv10983 on single...
View ArticleDRV8823 Control
Dear Team,I am new to Stepper Motors!! From Firmware perspective, we have stepper motor control using GPIOs logic. Plan to move SPI based stepper motor driver (DRV8823). My requirement is to move the...
View ArticleDRV8805 - Stepper Motor Voltage Less Than Supply voltage of Driver IC
Part Number: DRV8805Application: Stepper Motor DriverQuestion type: Development and troubleshootingSupport topic: /Product/Development and troubleshooting/Description of the problem: I am using DRV8805...
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DRV10983 tuning probrem
Hi everyone,Is it possible to control the following motors with DRV10983?Kt = 0.477 [mV/Hz] , R = 0.225[Ω], MAX RPM = 50000Now, I'm tuning this motor but DRV10983 can't set Kt to a value smaller than...
View ArticleDRV8313 How to Avoid Regenerative Current
Hi,The back electromotive force occurs and the regenerative current flows to VM power supply port if forcibly turning the 3-phase brushless dc motor which is conneted to the output ports on the DRV8313...
View ArticleMeasurement Endat Angel
Hello, I want to meausure mechanical or electrical angel from any endat encoders, so can I use TIDA-00172 Board to meauserement angel. For instance EQI 1331, ECI 1319 encoder. In addition BISS and...
View ArticleDRV10983 circuit design using I2C interface
helloregarding DRV10983 I2C interfacehow does I2C regs. 0x11 and 0x12 (motor speed) relate to FP output?, how terminate FP pin if unused?does reg 0x23 bit RvsDrEn change the bldc motor direction? or...
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DRV8823EVM Software
I`ve tried to download the software for the evaluation board. Unfortunately I`m always get the following:This is independent of the browser, operating software und computer.
View ArticleAverage Gate Current of the DRV8308
Hello sir,I want to know about "How much average gate current DRV8308 can supply?"As DRV8305 can supply an average gate current of value 30mA though it's peak capacity is 1A.Thank you.Best...
View Articledrv8711 can bus drive it's possible ?? other solutions!!!
I finally managed to drive drv8711 evaluation kit with Labview, now I would like to develop a can bus interface for controlling the drv8711 development kit.I would like to know if it is possible,...
View ArticleDRV8871 Not using of current limit
Hi,My customer is using DRV8871. He wants to reduce parts on system.Can we use DRV8871 without Rilim resistor?Bestregards,Shimizu
View ArticleDRV10983 Motor Velocity Constant
Hi,Could you tell me the following question, please?Q1: What is Motor Velocity Constant? Does this mean "back-emf constant"? the same mean?Q2: If it is the same mean above, Could you let me know...
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DRV8412 - Iave and parallel full bridge mode
Hi,What is Iave?? This calculated from datasheet page.13.2. If i want to use parallel full bridge mode, How to choose log inductor?? Do you have example could share to us??Thanks.
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Proportional Valve Driver
Hi,I was trying to design a driver of a proportional valve. My driver has ±10VDC input and ±100mA output (Load: 200 ohm, 0.5 H, Series RL) I have two supplies which are 28±4VDC and -28±4VDC. I applied...
View ArticleIssue with measuring motor phase currents on BoostXL-DRV8301 at different...
Hello, I am using the BoostXL-DRV8301 in combination with LaunchXL-F28069M. I am running the unloaded motor with a speed controller at fixed RPM (very stable)I am measuring the motor Phase 1 current...
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DRV110 current control issue
I have a solenoid I'm trying to interface with the DRV110 that does not seem to be working quite as I had hoped.The solenoid electrical specs are as follows: 3.3V nominal operating, ~10.70 ohm coil,...
View ArticleLow Speed control of DRV8308
Does anyone have any good documents or referance material for driving a motor at low speeds with the 8308? I set the speed register lower and lower and it hits a minimum speed and will not go any...
View ArticleDC motor solution check for HVAC application
Hi, Team:My customer have a requirement about 3-6 DC motor driver and need to have the function for revolution counter. The motor current is about 0.4A, the input PWM frequency up to 20KHz+-10%, duty...
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DRV10866 Stop driving motor
Hi,My customer is using DRV10866. He has a problem.DRV10866 stops to drive motor suddenly. Please see the following picture. (Vcc = 5V) After stoping driving, DRV10866 can drive normally by system...
View ArticleDRV8301 DVDD failure
Hello everybody,I am using the DRV8301 to drive an ebike motor under a battery voltage in the range of 50-58V, and I'm experiencing a problem that already occured on 2 different boards : the DVDD...
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