BLDC motor control basics using DRV8312/8313 and an MSP430/Arduino
Hi, I am just getting my hands into brushless DC motor control. I have the Exceed RC legend Motor 2402-2350KV motor (Links provided below). I need to learn how to control it. Can you help me get...
View ArticleDRV8832 Reliability
I have to assess the DRV 8832 in a safety critical application. Can you provide any reliability data? More specifically I need a probability figure for a fault condition occurring whereby the device...
View ArticleDRV8412 PWM help
Hello,I'm new at stepper motor control, and new at forum...I'm working on bipolar NEMA23 3A stepper motor driver, and I worked with DRV8818 but it seems that DRV8818 was not strong enough to run that...
View ArticleDRV8811EVM Question
I have been experimenting with the DRV8811EVM. I have a question about the Current Control parameter on the GUI. I have the control set at 1345 (displayed number when you drag the pointer on the...
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 ArticleControl of Ac Motors
I want to Speed Up/Speed Down 5 three Pahse Ac motors with a Single Nobe.Can anybody Help me that from where i should start and what will be the procedure???
View ArticlePower upgrade to HV Motor Control and PFC kit
Hi, I recently started using the HV motor control kit. I've been experimenting with the lowest power motor I have and I think I damaged one of the switches. Which probably happened because I was trying...
View ArticleHow to rotate BLDC motor Counter-clock wise which is bundled with DRV8312-C2...
Dear Sir/Madam, i have studied datasheet of DRV8312 chip which explains the six commutation steps of BLDC motor. There is Figure 11 on Page 16 of datasheet which...
View Articledriver for bipolar stepper (3-4A) with step and dir input
is there news about driver for bipolar stepper motor (3 or 4 A ) with step and dir input ?I see DRV8825, but only 2.5A.I see DRV8412 but pwm input, is there some step/dir to PWM IC convert ?Thanks
View ArticleLow Noise, Fast H-Bridge
Hi all. I am looking to drive a 15-20Ohm load (with possibly 12uH, 1-10pF) with a current source set at 120mA. This load is a single wire, but there is a nearby identical parallel wire that is...
View ArticleDRV8801
In datasheet PWM control circuit requirements,that drives ENABLE pin of IC is not defined well. 1. What range of frequencies can be applied?2.What range of duty cycles can be applied? I intend to...
View ArticleVery little current [DRV8837]
Hi everyone!I have two questions about the low-voltage h-bridge ic DRV8837:-On page number 7 of the DRV8837 datasheet there is an unclear information. What does it mean "very littlecurrent from VM"?...
View ArticleGUI Composer for DK-LM4F-DRV8312 will not open properly
So after following the "Read me first" pdf several times, I cannot get the instant spin to work. The board is configured properly, the drivers are installed and showing up in device manager, and I have...
View ArticleConfused about DRV8432 in parallel mode
Hi,I'm planning to use the DRV8432 for controlling a DC motor with a maximum current of 12A. So I need to use he DRV8432 in pararell mode. But, after readind the post 'DRV8432DKD cycle-by-cycle current...
View ArticleSPI commands in DRV8301
Hi,I am working with a DRV8301 and I am a little confused by the datasheet description of the SPI. I am trying to read the status registers for a fault, and I know that the status registers clear when...
View ArticleDRV8825 current regulation problem
Hi all,I've designed a stepper driver. It works well with small motor. Now I'm using a 800 mA motor and I have a problem:When power supply is ~10 V (after rectifier and diode a 9 V for DRV8825 chip)...
View ArticleControl stepper motor using DRV8818 and MSP430G2553
Hello,I'm using DRV8818 and MSP430G2553 to control the stepper motor 1.8 degree. Schematic I attach below. I write code for MSP430G2553 but it doesn't work, and I can't find out why. So I hope someone...
View Articlewhich products of TI should I select for testing motor control?
Dear all,I wanna test my control algorithm for PMSM. PMSM will generate hall effort signals or incremental encoder signals(A,B,Z) for detecting the position of rotor. For considering safety, PMSM with...
View ArticleDRV8302 schematic design
Dear Friend, I've downloaded MotorWare. In that DRV830x Eva. kit, only DRV8301 chip is used. How can I get a schematic based on DRV8302?
View ArticleDRV8302 application notes
Dear Friends,I'm going to design schematic for PMSM Motor Control project with using DRV8302. I've read datasheet of DRV8302. Is there any application notes/material available for DRV8302? I want to...
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