DRV8312-C2-KIT Sensorless Reverse Commutation
I am attempting to modify the DRV8312-C2-KIT BLDC_Sensorless example code to drive the BLDC motor included in the kit in the reverse direction.I went through the PDF included in the docs section and...
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DRV8302 Gate Driver
Hello guys,I have a problem using the DRV8302. When I set EN_GATE to HIGH there is no output at the gate-side. There is also some cheeping noise to hear. After a few seconds the DRV stops doing that...
View ArticleDRV8307 UHSG/ULSG internal pulldown resistor
HiMy customer is using DRV8307. He has a question.Does DRV8307 have a pulldown resistor inside UHSG/ULSG pin? Customer is worrying about Hi-z of UHSG/ULSG pin when enable pin is high level(disable...
View ArticleQuestion on DRV8701 and DRV8701EVM
Hello,I'm interested in evaluating the DRV8701 for Driving DC motors. I checked the EVM example and wondered that on the EVM board the DRV8701E version was soldered but it is driven with PWM. Is this a...
View ArticleDRV8308 EEPROM SCS LINE
In my DRV8308 application I have an EEPROM wired to the DRV8308 and a programming header on the EEPROM SPI lines.When I drive 'RESET' active on the DRV8308, I expect the DRV8308 to give up the SPI...
View ArticleCurrent limitations on DRV8701EVM
Hello,what is limiting the currents to 15A continuous / 20A peak on the DRV8701EVM? The MOSFETs allow much higher currents.BR,Brille
View ArticleDRV8301-LS31 Kit Dutycycle nonlinearity
I use the DRV8301-LS31 for motor-control development. I have noticed a strange behavior when varying the dutycycle.To test this i have removed any controlcard and connected an external function...
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BOOST-DRV8711 Microstepping Problem
I am having a very strange problem with the BOOST-DRV8711.I have the system set up running perfectly for Full and Half steps but when I set it up for micro stepping the driver requires that I toggle...
View ArticleBOOSTXL-DRV8301 max. voltage ratings
HiWhy is the max. voltage for the BOOSTXL-DRV8301 24V?The DRV8301 and the MOSFET are specified for up to 60V.Where is the limitation on the board?Kind regardsRené
View ArticleThe User ADC full scale current A of DRV8312EVM
Hi:I tried to count the value of adc full scale current A of DRV8312EVM and the result is 8.6. However, in the example project proj_lab13b of Motor Ware which define it as 17.3. I guess it is double...
View ArticleDRV8844 Short circuit protection problem
Hi,I am using DRV8844 driver IC in my application. I used micro controller's pwm interface to drive output. Output works fine.At normal steady high output, short circuit works but is not working at...
View ArticleDrv8332 : Fault pin output is Low
I have realized the circuit for DRV 8332 as shown in its datasheet application note and pulled all the input pins (PWM_x and Reset_x) to low through a resistor.I am using GVDD and PVDD as 12 VBut I am...
View ArticleDRV8711 issue
I am having a problem using the DRV8711 stepper motor driver chip, on your stepper driver booster pack. The system works fine for full and half steps but the micro-stepping is not working correctly....
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DRV3201-Q1 SDO response for SPI invalid data input
Hello,Customer wants to know the SDO response for SPI invalid data input.Please answer following questions. Q1: When invalid write address is received at A, what data will send out from SDO at B?Q2:...
View ArticleDRV10983 problem at low speed / low current
Hi,I have an application, where the motor has to turn at low speed sometimes.In this special case we are talking of speeds of around 1000RPM. Voltage is around 12V, current for motor about 10mA, Motor...
View ArticleDRV10975 Braking
Hi Texas Instruments,I’m using the DRV10975 in an application where I have programmed the EEPROM with the spin-up profile for my BLDC. Start and stop of the BLDC is done by controlling the supply...
View ArticleDRV8412-C2-KIT -- The stepper motorNo Data Sheet for Stepper Motor
The stepper motor that came with this kit has no datasheet.The company that makes the motor will not give out the datasheet.TI appears to have no datasheet.I have been chasing this datasheet for weeks....
View ArticleDRV8432 parallel mode inductors
Hi, I'm designing a PMDC motor controller using the DRV8432 in parallel mode that handles a maximum continuous current of 9 A. The datasheet says that a 30 to 100 nH inductor is needed at the output of...
View ArticleDRV8308EVM circuitry speed control open-loop PWM
1. I want to control brushless DC motor with help Kits DRV8308EVM from extern microcontroller(terminal CLKIN,GND). Is it necessary galvanic isolation microcontroller from terminal CLKIN,GND?2....
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