Sensor required for movement sensing in steppers
I have couple of stepper motors which i m using for X-Y stage movement of microscope stage ,can you suggest any rotary encoders which can be used for the movement control or movement tracking of the...
View ArticleDRV8802: How does DRV8802 stop the motor current?
Part Number:DRV8802Hi champs,Woudl you teach me about that DRV8802 do or do not outputs motor-current following under conditions?xVREF pin: openDECAY pin: LowxENBL pin: HighIn my understanding, when...
View ArticleWEBENCH® Tools/DRV8801: quiescent current in sleep mode vs. nFault Output state
Part Number:DRV8801Tool/software: WEBENCH® Design ToolsHi Team, we use the DRV8801 to drive a DC motor.Implementation according to datasheet “DRV8801” (SLVS855J –JULY 2008–REVISED MARCH 2015) page 16....
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DRV8305: DRV8305 Gate Driver Not Pulling Low
Part Number:DRV8305Hello,I am using DRV8305 motor driver and CSD18540Q5B MOSFETs in a design. When driving with a not %100 duty cycle, gate voltages of FETs (also Phase voltages) not staying low...
View ArticleDRV8884: problems with the driver
Part Number:DRV8884Hi i have problems with the DRV8884, i set the enable signal to high, and the sleep signal to high , but the signal nFault is changing over the time , i am not sending steps, and...
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DRV10983: Begnier to I2C
Part Number:DRV10983Hi,I am intending to use the DRV10983 to drive a sensorless brushless DC motor. I have connected it as shown in section 12 of the DRV10983 datasheet.When powered up the motor does...
View ArticleDRV8307: I have designed drv8307 motor driver as same as 8307EVM i finding...
Part Number:DRV8307HelloI have designed drv8307 motor driver as same as 8307EVM i finding large current drawn from customized board as compared to EVM board in ln load conditions.arrangement, Enable-...
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WEBENCH® Tools/DRV8812: In package place a 1-MΩ resistor between VCP and VMA.
Part Number:DRV8812Tool/software: WEBENCH® Design ToolsOperating environment VM is 24V case, the following datasheet page 17 at 1MΩ, usually recommended to use how about packaging? thanks
View ArticleTIDUA15A
Dear All Where I can buy TIDUA15A?www.ti.com/.../tidua15a.pdfThanksLuis Gonçalves
View ArticleDRV10983 EVM issue
Hi team ！I use DRV10983 EVM drive my motor , but in the closedLoop Phase Current Waveform isn't Smooth sin wave and the noice is very big ! Do you have some solution to make the Phase current...
View ArticleDRV8307: Timing parameters for DRV8307
Part Number:DRV8307Want to know the setup/hold requirement on PWM input and Enable input of DRV8307 .Also What is the min/max value of TCO on hallout and fault_n output of DRV8307?
View ArticleDRV8432: Nominal P_VDD voltage value
Part Number:DRV8432The datasheet for DRV8432 says that the minimum, nominal and maximum voltages for P_VDD are 0V, 50V, 52.5V respectively. Can the motor driver run at P_VDD voltage of 22V? Because...
View ArticleDRV8305: Question of SO status during blanking time of the amplifier outputs
Part Number:DRV8305One quick question here:During the blanking time of the current shunt amplifier outputs, what will be the status of SO?
View ArticleDRV8811: Issue with DRV8811
Part Number:DRV8811In one of our products we use DRV8811 chips to control stepper motors. We faced some issue with these chips in the past, where the driver "locked up" and motor movement ceased to...
View ArticleDRV8302: Problem with nFAULT
Part Number:DRV8302Hi!I'm working on a custom bldc drive using DRV8302 as it's Mosfet's gate driver. the problem is that in 6v<PVDD<8v nFAULT is toggling continuously. In 8v<PVDD nFAULT...
View ArticleDRV8701: Advice on H-Bridge Driver
Part Number:DRV8701I want to control a 110v 20a DC PM motor with an H-bridge (for reversing/braking) using N/P-channel MOSFETS to keep the gate voltage requirements within the usable range of the...
View ArticleDRV8823: DRV8823 about single step function question
Part Number:DRV8823Hi Team,The customer would like to use DRV8823.Q1: For the DRV8823, If the SPI bus is used to send the step commands, the main frequency of SPI is needed to increase at least 16...
View ArticleDRV8801: DRV8801 about the trip current questioins
Part Number:DRV8801Hi Team,The customer would like to use DRV8801. Q1: Can you explain what the trip current is? Is its vlaue 2.5A ? Does 2.5A remain the same? Can the trip current be changed?Q2: Can...
View ArticleTPIC2060A: Spindle Motor Drive problem
Part Number:TPIC2060AHello, Regarding to the TPIC2060A, my customer is facing problem. (Symptom)After initial configuration of the TPIC2060A, the motor does not drive in the first spindle motor...
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DRV88xx - Current sense input: absolute maximum rating and protecting the...
Team,In most of the DRV88xx devices the current sense input voltage (SENSE on DRV8816, ISEN on DRV8870, AISEN on DRV8880) seems to be have a transient requirements (see below pictures from...
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