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DRV8823 SPI motor driver
Dear Sir Do we have other SPI motor driver ??The SPEC is similar with L6474HTR
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DRV8881P About current wavefrom at 1-2 phase
Hi,My customer is using DRV8881PEVM and customer motor. Then, he has a issue.Please see the below picture. This is current waveform.Motor operates at 1-2 phase. Do you know the reason of red circle of...
View ArticleIs DRV8701 Evaluation Module with 8701P available ?
Hi TI,My DRV8701EVM board has 8701E installed, I think that is the standard it comes with. However, our final product will have 8701P chipinstalled, therefore I will need to modify the drivers when...
View ArticleDRV8840EVM
DRV8840EVM was working but now is not. CPG004-5 software connects over COM4 but status box stays red and does not turn green. How can I troubleshoot this? MSP430 status LED continues to flash once a...
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DRV8801A-Q1 Use as a half H-bridge driver
Hi Team,Is it possible to use the DRV8801A-Q1 as a single ended driver without creating diagnostic fault codes or losing functionality?Thank you,Jared
View ArticleHalf H-bridge Driver with Integrated FETs Automotive Grade
Hi Team,Do we have a half H-bridge driver with integrated FETs that is automotive grade?Thank you,Jared
View ArticleAutomatic mixed decay mode versus Autotune?
DRV8711 has automatic mixed decay mode, DRV8880 has autotune mode. So I wonder for the same motor, which can behave better?Thanks.
View ArticleDRV8836 GND pin and ThermalPad
Hi, Please tell me whether GND pin(6 pin) is connected with ThermalPad inside.I want to confirm a customer's DRV8836 for analysis. But GND(6 pin) peeled from this device. Is it no problem if Thermalpad...
View ArticleDRV8885 decay mode
Hello,Our customer use the DRV8885, have a question about decay mode.The customer select the slow/mixed decay mode.It is mentioned "In full step mode the decreasing steps decay mode is always used" on...
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drv8301 real speed
Hi all, I use C2000 LaunchPad XL TMS320F28027F + BOOSTXL-DRV8301 REVB, and has strange situation:I set gMotorVars.SpeedRef_krpm = 2.0, motor run at 2000 rpm, and gMotorVars.Speed_krpm is closed to...
View ArticleDRV8307 single Hall commutation
Is there any way of preventing the DRV8307 from switching to single Hall commutation? I have an application for a reciprocating pump that causes the speed to vary cyclically, and the motor runs better...
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UC3517 part replacement
UC3517 is the TI part, we are looking for the replacement,Since we are changing he schematics we may the freedom to change the layout and schematics..We have to interface 2 types of motors at the...
View ArticleDifference between IFs. IOCP, Itrip and Ichop
Dear friendsI was reading Drv8711 to adjust registers. But I can not distiguish currents such as IFs. IOCP, Itrip and Ichop.Please help me to understand them better.Thanks
View ArticleDRV8301
hello,Iam working on DRV8301.When i use OCP current limit mode with motor than device turn off the mosfets but without motor output come on the mosfets.Is switching speed of the MOSFETs is creating the...
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DRV10975 - Motor rotating direction by setting DIR=H/L
Hello Team,Please allow me to ask you the motor rotating direction using DRV10975. I am understanding that DIR pin will set the motor direction, however, there were no commutation timing chart for...
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DRV8313EVM RevB GUI Error
Hello,Just bought the DRV8313EVM RevB board to start testing with a bldc project. I have installed the DRV8313EVM usb drivers and application. Directly after starting the app i get the following error....
View ArticleDRV8305 SPI communication problem
Hi, I am using DRV83053 motor driver in my design, but facing a problem with SPI communication;Using the same setup which works on DRV8305-EVM, (DRV8305N IC on it), I cannot get response from SDO pin....
View ArticleDRV8824-Q1 ISENA/B Setting
Dear, Sir. My customer is looking for Full-step Stepping motor driver. The driving current is so small as 67mA. DRV8824-Q1 has mode select which can set Full-step. Is it no problem to set ISENA/B...
View Articleunable to find DRV8313_release(CCS project)
The datasheet of DRV8313EVM talks about DRV8313_release CCS project. http://www.ti.com/tool/drv8313evm. I am unable locate these files. Can you please help in locating it?
View ArticleDRV8305-Q1 Current Shunt Monitor Input Connection
Hello,I'd like to ask some questions about the data sheet description on page 24, which says, SPx should connect to the low-side (ground) of the sense resistor for the best common mode rejection.SNx...
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