DRV8870 - Rds(on)(min)
Hello,Could you please let me know the Rds(on)(min) of DRV8870?In the customer, there is the input voltage restriction for load.We need the information by 4/Mar.Best Regards,Ryuji Asaka
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Question about DRV8801-Q1
Hello,I have a question about DRV8801-Q1.What is the thermal shutdown temperature(min) ?If you have a graph, which shows time vs thermal resistance, could you please provide it?The following graph is...
View ArticleHigh Current Test
I changed my motor for high current test , new motor feature : 2 phase , 1.8 degree , 4.4 A , 0.81 Ohm when I connected the motor to my driver with these values ( ISGAIN = 10 , Torque = 0xF1 ) ,...
View ArticleAbout Trapezoidal Control BLDC
Hi AllCan we take the trapezoidal Control and hall sensor to do position control of BLDC?Hank
View ArticleEncoder interface on DRV 8312 kit
Good morning everyone, i am using the DRV 8312-C2 motor control kit and i would like it know the pin description of the encoder interface.Which pins represent the channel A, B and index?Thank you -Jason
View ArticleDRV8711 gate resistors
Greatings! I`m about to use your DRV8711 step motor driver for very first time! I`m using figure 20 from the datasheet to make my schematic. I don`t see any gate restors on the MOSFETs. Do I have add...
View ArticleDRV8301 Getting damaged during motor operation
Hello,We are doing Induction motor control opertion with following specs:Input DC voltage: 48VMotor : 3.5KW operarted at no loadPWM frequency : 20KHz Observation:1. Gate driver gets hot when PWM input...
View ArticleDRV8432 Tblank time at CBC mode
Hi,My customer thinks below system. We are looking for motor driver as solutnon of this system. Customer uses Bruched DC motor IN1=High, IN2=Low, Motor speed is controled by VREF voltage.At this time,...
View ArticleDRV830x Handshaking feature and its effect?
Hello everybody!I would like to know how the feature called "automatic handshaking" works on the drv8303 (same for drv8301).Does it modulates dv/dt one the gate thus on the phase node?Does it modulates...
View ArticleDRV8301's ability to drive a brushed DC motor
Hello,I'm designing a motor control system which will be able to drive brushed DC motor and BLDC motor.I want to keep the same hardware power stage for both possibilities.So I've chosen the DRV8301 as...
View ArticleDRV8301 GVDD fall when PVDD increase beyond 28V.
Hello,I'm trying to make work my custom board featuring a DRV8301. As long as PVDD remains below 28V, the motor turns well, but as soon as I increased the voltage beyond, GVDD start becoming very noisy...
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DRV8303 DVDD Fault
We are seeing a fault on our DRV8303. We believe it's the DVDD undervoltage; the status register reads 0x0 if we attempt to read it right after the FAULT pin goes low.What we'd like to know are...
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DRV8711 GUI not loading
Hi,I'm fairly new to TI stuff and am trying to do a project for school. I'm currently experiencing troubles loading the GUI Composer for the DRV8711 (see below) :I've followed the instructions from...
View ArticleVoltage Supply
Hello, I'm using DRV8837 to control solenoid in which I need 12 V to power it. But this driver has a maximum voltage of 11V. However I applied 12V at VM pin and it is still working. So I want to know...
View ArticleSensorless FOC for 3-Phase PMSM or ACIM Motors capable of stall protection?
I am still a newbie at this, please be patient.I am working on a Request For Proposal for one of our major customers.The customer is specifying the use of an incremental quadrature encoder to sense...
View ArticleDRV8701 Supply AVDD/DVDD from external without supply voltage VM
Dear Support Team,i have a new design with your DRV8701. I will supply a microcontroller from the DVDD source. For initial programming of the microcontroller, i need a 3.3V source, which i could source...
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DRV8711 Clear condition of SDT/SDTLAT bit and stall counter
Hi,I am making a Japanease document about "DRV8711 Stall detection function" for my customer. But I don't undserstanding about Clear condition of SDT/SDTLAT bit and stall counter. Could you answer the...
View ArticleCamera gimbals driver with TIDA-00827
I am looking for a brushless controller for camera gimbals. TIDA-00827 is an Integrated Sensored BLDC Motor Controller Reference Design, with intended applications include camera gimbals. My questions...
View ArticleDRV8837 and DRV8835
Dear Technical Support Team,I have a question about DRV8837 and DRV88351.)DRV8837 datasheet says Iout is 1.8A(max). Is it DC specification?2.)How is the consumption current of Ivcc for Sleep mode and...
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Circuit is Not working
Hi, I'm using DRV8848. Desing a schematic but its not working please help me to find out mistake. ThanksAbhishek
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