DRV8323R: DRV8323RH with 5V MCU risk
Part Number:DRV8323RHi,May I know if have risk when using 5V MCU between DRV8323R? Such VREF & control interface..Thanks.Regards,Eric
View ArticleDRV10983-Q1: Constant Speed Control Algorithm Accuracy
Part Number:DRV10983-Q1Hi Team,My customer is looking for some additional information around the constant speed control capabilities of the DRV10983-Q1. In their application this part will spin a motor...
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DRV8814: nfault issue
Part Number:DRV8814In the test, it is found that nFault will protect the DC motor when it starts, which causes the motor to not rotate properly, and the phenomenon repeats when it is...
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DRV8837: How to choose the Capacitance of the VM pin if drive current is 1.5A...
Part Number:DRV8837Hi,how to choose the Capacitance of the VM pin if drive current is 1.5A and Locked rotor current is 800mA? thanks.
View ArticleDRV8711: CURRENT CONTROL
Part Number:DRV8711Hi, I am trying to use micro-stepping function of DRV8711 to drive the stepper motors.I am planning to control the motor current by using potentiometer.but, I couldn't find nothing...
View ArticleDRV8323R: FIT/ MTBF values?
Part Number:DRV8323RHello All,I am trying to understand the value for FIT/ MTBF for DRV8323RHRGZR/T.I tried to use this tool:...
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DRV8323R: Can VCP be connected to VDRAIN?
Part Number:DRV8323RHi Team,It's written in the datasheet that VCP pin of charge pump should be connected to VM. It means that the power supply for DRV8323R and bridge should be the same.However,...
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DRV8303: Dead time setting DRV8303 vs DRV8301
Part Number:DRV8303Himy customer is unsing DRV8301 and DRV8303.When looking into the dead time configuration by the external resistor in the DS for DRV8303 it should not be added to the dead time set...
View ArticleDRV8886AT: Does DRV8886AT support back EMF protection?
Part Number:DRV8886ATDear Expert,As title, does DRV8886AT support back EMF protection?I found we have "7.3.4 Current Regulation" in datasheet which mentioned back EMF function, but we would like to...
View ArticleDRV8305: DRV8305 SPI failed to work
Part Number:DRV8305DRV8305 SPI fails to work(I can't recive any data from the pin SDO,no matter what I send into), but the voltages of the pin DVDD, AVDD, VCPH, are all ture. When I disable the charge...
View ArticleDRV10987: DRV10987 : Reading Current (0x04) and Voltage (0x05) from register
Part Number:DRV10987Hi,I am reading both current and voltage from DRV for monitoring in a ceiling fan application.Value read from voltage read of DRV, converted as mentioned in datasheet.Although the...
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CCS/DRV8301: about spi of DRV8301
Part Number:DRV8301Tool/software: Code Composer StudioHello,We are using a DRV8301 3 phase gate driver connecting to F28069M (LAUNCHXL-F28069M)This is how i connect drv8301 to f28069 We use 28069 spi...
View ArticleCCS/DRV8303: Question about Acceleration parameter of InstaSpin
Part Number:DRV8303Tool/software: Code Composer StudioHello,I would like to ask a question about Acceleration parameter of InstaSpin.Now we are using InstaSpin lab 5b,on our custom board, that includes...
View ArticleDRV8873: Fault indication of ITRIP
Part Number:DRV8873Hello,Regarding the hardware version of the device(DRV8873H),can we have a fault indication on the nFAULT pin when the current reached ITRIP level ?Best regards,itabi
View ArticleDRV8876EVM: DRV8876 IMODE Setting Problem
Part Number:DRV8876EVMI use DRV8876-Q1 EVM to driver our motor. If we don’t make any change in EVM, it can work normally. Since I need a nFAULT status to control the motor revers. So I change the IMODE...
View ArticleBLDC_sensorless_control base BEMF, Flux likage
Hi all, I am student from Hanoi University of SCience and technology,My fields is motor drive,I need some example of anyone who design BLDC Brushless Dc motor using what ever technique,I prefer base on...
View ArticleBLDC_sensorless_control base BEMF, Flux likage - Simulink
Hi all, I'm proud to be here,I am student from Hanoi University of Science and technology of Vietnam,My field focus on Motor Drive for all electric motor,This term I have one project about BLDC...
View ArticleDRV8303: Limits or considerations for small shunt resistor values
Part Number:DRV8303I have a 300uOhm shunt on the low side of a 3-phase 50A DCBL drive and I'm noticing large nonlinearity and errors in the sensed values read from the chip.Is there any special...
View ArticleDRV10983Q1EVM: I2C not working
Part Number:DRV10983Q1EVMHi there, I purchased the DRV10983Q1 EVM and after looking at the display tab of the GUI, the values seem to be incorrect (for example its displaying the supply voltage as 0V...
View ArticleDRV8873: nFAULT Function
Part Number:DRV8873Hello,Our customer want to know the nFAULT function.I understood the nFAULT does not report the ITRIP.Does the nFAULT report the OTW?Best Regards,Naoki Aoyama
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