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Drive delta connection BLDC
Dear sirI use the same driver to drive Y connection BLDC and delta connection BLDCThe Y connection is spin normally , but delta connection BLDC is failAnd this is the waveform belowCH1:HS1 CH2:HS2...
View ArticleDRV8301 EVM Board's DIMM100 Socket
Hi,I have a DRV8301 motor control kit. I want to design my own power stage for this kits control card .I could not find any PCB layout file for DIMM100 socket which used on this board for plug the...
View ArticleNeed Help in creating a driver for a 220v AC Servo Motor
Hello Everyone,I am a new to electronics and have been working on to design a Motor Drive for comonly available Serveo motors...
View ArticleExpected supply current calculation for DRV8825
I'd like to theoretically calculate the average expected current draw for a basic DRV8825 stepper motor application, even if it is just an approximate estimate.Suppose I have a 24V DC supply to the...
View ArticleMotor Control Libraries for TMS570
Hi,Is there any documentation about motor control libraries for TMS570 family. In control suite i found some documents for F28xx family and i think there are some differenties between this two...
View ArticleAbout VMX and VM of DRV8818
Although absolute maximum rating(VMX) and the recommended oparating range(VM) are that it is the same (35V), is it right about the voltage range(Max) of DRV8818?Is either a clerical error? (Is VXM high...
View ArticleAC Induction Motor Scalar Control
#define RS 11.05 // Stator resistance (ohm) #define RR 6.11 // Rotor resistance (ohm) #define LS 0.316423119 // Stator inductance (H) #define LR 0.316423119 // Rotor inductance (H) #define LM 0.2939397...
View ArticleDRV8711 Holding current
Hello,I'm planning to use DRV8711 for Stepper motor (4A RMS) position + holding control. Below clarifications required.1. While using DRV8711 in micro step mode, how does the stepper motor holding...
View ArticleDRV8711 Max Step Frequency
Our Application is 2-phase 256-microStep bi-polar Motor Driver with DC 24V for Factory Automation.250kHz is the max Step fequency in the DRV8711 Datasheet, page 9.It can operate at 500kHz with 0.25us...
View ArticleTrouble IDing motor using DRV8301 BoosterPack +F2807F
Hi,I am trying to ID my motor using this kit and running Proj 2c. I most likely do not have the correct parameters set for the motor due to my lack of understanding of what the variables are. I have...
View ArticleAlternative MOSFET driver with same Vds monitoring for overcurrent protection
Hi all,I like the over current protection via Vds monitoring of the DRV8301 since it does not require a sense resistor. I am looking for a high-side MOSFET driver with the same capability but with...
View ArticleDRV8301-LS31-kit stand alone motor control
Hi,I'm using the DRV8301-LS31-kit with the TMS570 control card. I want to make the motor-drive stand alone from the sample GUI that comes with the install CDs. Or if there are some samples that I...
View ArticleRe: Connecting DRV8432 to a 3-phase BLDC motor
Kim,Do you guys have DRV8432 Evaluation Kit? I can find one for DRV8402 but not 32. Thanks,Ivan.
View ArticleDriving the DRV8313 evm with an external dsp (eZdsp™ F2812 for TMS320F2812 DSP )
Hi,i'm trying to control four BLDC motors simultaneously, and i have an eZdsp board (the F2812 for TMS320F2812 Dsp) for that, i will use the drv8313 evm like the power stage between the board and motor...
View Articleuc2625 intermittent failure to drive phases
I have an BLDC motor which we developed in the late 90's. At that time the application note had a .1uF capacitor connected between pin 24 (SSTART) and ground. At the time we were using a UC1625 Mil...
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BQ32000 RTC battery draining issue
Hi folks,I am using BQ32000 RTC in my design.battery is fully discharged after came from assembly house.3V battery is discharged to 0.6V within 4 days or less.I observed same this condition in all the...
View ArticleDRB8301-69M-kit
I need to buy a motor for my new DRV8301-69M-kit that I just received. Can you please give me suggestions. Also, the web says that the controler is a 60 V, 60 A unit. Is this the output of the...
View ArticleDRV8312-69M KIT
I just purchased the DRV8312-69M kit . How do I use trapezoidal sensored control to run the motor. When I say sensored control system I am referring to using Hall effect sensors. Do I just plug in the...
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DRV8802 Question about Over Current Protection (OCP)
Hi,On the datasheet for DRV8802 (p.10 Over Current Protection), it is described as below;---------------------------------------If this analog current limit persists for longer than the OCP time, all...
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Built a Line follower, need advice for improvements
Hi,I made a Schematic and a 2-Layer PCB. Did it in Altium. I was hoping to receive some professional advice to become a better hardware engineer. If you are wondering about the 3d view, I made the body...
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