DC motor solution check for HVAC application
Hi, Team:My customer have a requirement about 3-6 DC motor driver and need to have the function for revolution counter. The motor current is about 0.4A, the input PWM frequency up to 20KHz+-10%, duty...
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DRV10866 Stop driving motor
Hi,My customer is using DRV10866. He has a problem.DRV10866 stops to drive motor suddenly. Please see the following picture. (Vcc = 5V) After stoping driving, DRV10866 can drive normally by system...
View ArticleDRV8301 DVDD failure
Hello everybody,I am using the DRV8301 to drive an ebike motor under a battery voltage in the range of 50-58V, and I'm experiencing a problem that already occured on 2 different boards : the DVDD...
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DRV8834 Decay setting at GUI of EVM
Hi,My customer has a question about decay setting at GUI of EVM. Situation is at tab of "internal microsttepper control". Please see the following picture of black circle.Could you let me know about...
View ArticleWhere do I motorware software for macos?
I can download the motorware software for windows from http://www.ti.com/tool/motorware but where do I find the macos version for the same motorware.Thanks.
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DRV104 application in DC mode and PWM mode
Hi,By using DRV104 to drive, my question is how long the OFF time needed in order to get designed delay time from DC mode to PWM mode. This is our circuit design. A 1uF capacitor connected to Delay...
View ArticleBLDC 2shunt current monitor
Hello,I have a basic question about BLDC two-shunt current monitor.I read the user's guide of InstaSPIN-FOC (spruhj1f) page 553.But I could not understand how to measure.Could you give me a figure of...
View Articledrv8302
Iam using drv8302.Every time when i try to run the motor my IC got damage.Its GVDD drop to 2.3V and start heating also.Here is my gerber files please take a look.(Please visit the site to view this file)
View ArticleThree phase Sinusoidal BLDC Motor drive with Holl Sensor
Hi:Our customer wish to develop Three phase Sinusoidal BLDC Motor driver with Holl Sensor.Does InstaSPIN-Motion can do this with DRV8312-69M-KIT or DRV8301-69M-KIT?His plan to control much higher...
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About TPIC2050/2060 – Revision number register(REG 7E)
Hello, Regarding to TPIC2050 and 2060, I have some question.My customer will need to check their target board and it has two deference device (TPIC2050 and 2060) on each board.Due to judge each...
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Noise in Voltage and current signal.
Hi all,I am using DRV8301 board.I want to ask a question regarding hardware of DRV8301.How can i know the value of bypass capacitor for a signal? please elaborate.how 2200 pf value is decided? what is...
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DRV8805 Freewheeling
Hello team , the excitation of the coils in the above schematic is at 5V where as the Vclamp is at 24V This is done by my customer in accordance to the Where it says VSS needs to be greater than VMM,...
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what are the things that i should keep in mind while making PCB layout of bldc motor controller with TO-220 package mosftes??Please tell me the minimum distance of the mosfets from the IC,minimum...
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DRV8711 drive the motor in high speed,the current is not sine wave,why?
when I use drv8711 to drive the stepper motor, when in low speed, the current is sine wave, but in high speed ,the current is not sine wave .I try to change the parameter, including the decay time...
View ArticleNoise Issue in Stepper motor (Driver DRV8825)
Dear Sir, we are using DRV8825 stepper driver for our product. In that we are facing noise issue. Our stepping method described belowStepper Motor DetailsMotor TypeHybrid Stepper Motor (Bipolar)Motor...
View Article[DRV8824-Q1] How to make the Stall function with MCU
Hi Champs,Customer would like to use DRV8824-Q1. but customer wants to make the stall function with MCU.Could you please reference SCH or configuration?For Current setting, can DRV8824 support 800mA...
View ArticleTMS320F28069 / DRV8312 demo
Hello team,Hope you are well.A customer is looking into with driving the encoders with a BLDC motor.This is a sensor-less sinusoidal commutation is desired, Current drive < 2A, rail at 24V. ( L= 48...
View ArticleMotor current volume while sttoping
Dear Motor Drive Support Team, In order to suppress the raising heat on the motor and the driver, I have the torque control by using TRQ1/2 signals of DRV8880.I set the torque 100% while the motor is...
View ArticleDRV8872(Q1) in sleep state
All, A customer has inquired about the impedanse about internal FETs in DRV8872 sleep function. In this condition, OUT1 & OUT 2 are in HiZ state and all output FETs are off. The question is how...
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new design for stepper motor driving through DRV8834 IC
Hello,We are making New Design for motor Driving.We want to drive Stepper motor with the use of DRV8834 and below detail mention stepper motor Specification.Can we drive this motor using DRV8834?If yes...
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