How to drive 6 or more servo motor ?
Hello Friends,I use the TI MSP430G2553 launchpad.I have to drive 6 or more servo motor.I search about it and i found this code. Also I use IAR Embedded Software.#include "msp430g2553.h" // make sure...
View ArticleControl of bldc motor
Hello everyone !I am Mohamed and I am doing my Automation Engineering. First of all thank you for the post. Currently I am doing a project on CONTROL OF BLDC MOTOR IN SIMULINK . Now I am able to...
View ArticleDRV8704 external FET negative Vgs over-voltage?
Hi,Section 8.2.1 of the datasheet shows an example system specification with a supply voltage (VM) of 24V and referenced a FET which has a Vgs(max) of +/-20V.My question is, how is the gate voltage...
View ArticleInformation about the DRV8312-C2-KIT
Hello,I would like information about the DRV8312-C2-KIT"Three Phase BLDC Motor Kit with DRV8312 and Piccolo MCU".I need to know if the software demo provided allows you to run drills up to 40000 rpm in...
View ArticleFor DRV-8824-Q1, Decay mode setting's suggestion?
Dear Sir,Please help to suggest the suitable usage of three decay mode setting.Can we just define decay mode as below?Slow mode : full or half stepping , low speedFast Mode : for high level...
View ArticleQuestion regarding DRV8860 drtive capacity
Hi,I am using DRV8860 in my design to drive 8 valves. These valves consume a current of 500mA during pick up and during hold, I can maintain them at 40% (200mA). One strange observation I made about...
View ArticleDRV8412 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...
View ArticleDRV8303 GVDD_UV after successful operation
Hello,We are students at Michigan Technological University and are having issues implementing the DRV8303 chip to drive a 300W PMAC motor. After populating our board and doing several safety checks,...
View ArticleHow to read the value of PWM or sum of PID calculation in LM628/LM629
Hi Ti,I'm using the LM628/LM629 to drive the DC brush motors on our products. now I need to design a protect function to make the motor driven safely, so I want to read the value of PWM or Sum of PID...
View ArticleStartup Delay in DRV8302
Hi Fellow MembersI have been using DRV8302 for quite sometime. I recently changed my MOSFET to IRFS7734 (Qg=180nC, Typical). I noticed a startup delay of typical 1~2 sec. This startup delay occurs only...
View ArticleWhich BLDC Driver?
Hello,I am currently looking for a BLDC Controller/Driver/Fet solution with the following specs.24V DC Sensored BLDC Motor 65WMust be able to stop & change direction rapidly. Have internal...
View ArticleHow to use F28069M for driving 3-phase ACIM High Power motor (1hp)?
Hello,I was using F28069M microcontroller and the motor drivers DRV8305N). But now I need to dri a High power motor (380V 3-phase ACIM motor). How can the F28069M microcontroller drive this high power...
View ArticleDRV8834: 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...
View ArticleMaterial 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...
View ArticleDRV10975 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...
View ArticleAbout 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...
View ArticleHow 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...
View ArticleDRV8332,Load Current drawn by bldc motor dips around 1A when subjected to...
DRV8332,Load Current drawn by bldc motor dips around 1A when subjected to step cmd.
View ArticleWarning: Gerber files are incomplete in BOOSTXL-DRV8305EVM HW files
FYI, two Gerber files are missing from the set of Gerber files BOOSTXL-DRV8305EVM HW files.Specifically, the board is 4-layer, but the Gerber files for the two inner layers are missing from the...
View ArticleDRV8412 - PVDD_B & C ampacity issue
Are all of the PVDD_x pins tied together internally?I'm concerned with the PCB layout that a 12 mil wide trace @ 1.5oz Cu is going to current limit channels B&C when using the DRV8412 at it's max...
View Article