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DRV8302 in application with Vmotor (PVDD1) from fast 0v to 48V.
I would like use a application with forward DC/DC conversion like in DRM078 from freescale ( bldc-Motor has L about 60uH only).I want to disable the overcurrent-functionality (page 14:ConnectOC_ADJ...
View ArticleDRV8301 eval kit connectable to MSP430?
Hi! I'm trying to find out of TI makes some kind of eval kit for the DRV8301 that I can hook to the PWMs/GPIO on an MSP430. I see the BoosterPack but it's made specifically to jack into a LaunchPad...
View ArticleDRV8412 - Resistor for current limiting (OC-Threshold)
Hello,I am making a design for our new project, where I need to drive a DC motor.First I make my design with the DRV8840, because my DC motor need less than 1A and I can make it through the I control...
View ArticleUnipolar Microstepping
I need to implement microstepping (minimum 1/16th steps) on a unipolar stepper motor but I notice that it is only the TI bipolar stepper motor drivers that support microstepping. Do TI have a suitable...
View ArticleDesigning and Simulating Motor Driver Control
I am in the process of building a simple Motor Driver and Control model using Matlab/Simulink for driving both PMSM and ACIM motors. This model will mostly be used to optimize the power components...
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DRV8332 - Current limit setting under 1.4A
Hi Team,Please allow me to ask you about the over current limiting function of DRV8332. I have two questions[Q1]I can find the following OC programing table in the datasheet page 12. Is it possible to...
View ArticleDRV8811 design resets sporadically
Greetings!I have a DRV8811 based design which resets sporadically, but only when the motor is running. Other than that, I can't seem to correlate the reset event with any other activity. The design...
View ArticleDRV8711 Interface Problem
Hey,I am working on Interfacing MCU(PIC16F1936) and DRV8711. I made DRV8711 Module as TI describe. I also implemented code for SPI on PIC16F1936 and also configure all registers of DRV8711. But after...
View ArticleBoost drv8711 uvlo bit always 1
Hello,I have purchased the booster pack evaluation for the DRV8711 (BOOST-DRV8711) along with the MSP-EXP430G2 launch pad. I successfully programmed the MSP430G2533 and ran the provided "app" software....
View ArticleDRV8711: External source on V5?
We plan to use the DRV8711 together with an AVR µC. To programm the controller in production, we want to use a single connector suppying the necessary SPI signals and 5V voltage supply, but not VM....
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DRV8824 EVM application
I am evaluatiing DRV8824 by TI DRV8824 EVM using the windows XP application shown below . When we set the steps NUM,and then press the "move steps",there is no STEP signal detected . Other button works...
View ArticleDRV8711 - Stepper motor driving and configuration
Hello friends,This post is a group of questions I have come across during using DRV8711 to drive a stepper motor and gear-box assembly at 900rpm (min.).These questions could be pretty naive, but would...
View ArticleDRV8825 EMI
The current-chopping scheme of the DRV8825 - rapidly switching large currents at more or less random intervals - seems like one of the best possible ways to generate broadband RF noise, and I'm...
View ArticleDRV8031-HC-EMV rev D / DRV8308-HC-EVM rev D
Cannot drive motor. Can connect to board and everything appears normal. Followed the procedures without problem. Program loaded, etc. No pulses are making their way to pin 1 of any of the MOSFETs, but...
View ArticleHall input voltage limit for DRV8312-C2-KIT
What is the range of acceptable Hall input voltages for DRV8312-C2-KIT? Is it possible to control a BLDC motor with the Hall output specified between 0 and 12V? In the past we only worked with the...
View ArticleConnecting BOOSTXL-DRV8301 to DRV8301-LS31-KIT
Can a BOOSTXL-DRV8301 be connected thru the External Control J5 connector so that the PWM signals can go to two DRV8301 driver devices. I want to control two motors with the same PWM signals.If so,...
View ArticleDRV 8412 C2 Kit - Motor unable to spin
Hello,We bought DRV 8412 C2 EVM kit Rev G. In shipped pen drive there two versions of GUI, GUIv2 and GUIv9 are there. Using this both GUIs i am unable to spin any of the motors. Also all the LEDs are...
View ArticleDRV8846 Mode Change
Dear all.Is change in the DRV8846 step mode possible during operation?Regards,PAN-M
View ArticleDRV8332 questions (Bootstrap Cap Voltage Rating and some more)
Hi for everyone,This is the first time that i use the TI forum. After many searching, there are some questions didn't answered in my head. Please help me.I'm using the DRV8332 to drive a BLDC blower....
View ArticleDRV8711EVM output pulse width too narrow
We have built a new 2-phase motor and are having problems using the DRV8711EVM board to control the motor. We're getting very narrow 5us pulses with a duty cycle of 18% (37kHz) out of the DRV8711EVM...
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