RE: DRV8825: Currents measured from ISENA/B are not qualitatively similar to...
Hello Louis, The reason why segments are exceeding the 33.3us is because at the moment the internal PWM clock began a new cycle, the current has not reached the chopping limit. Since the drive cycle...
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DRV8825: Currents measured from ISENA/B are not qualitatively similar to...
Part Number: DRV8825I am using the DRV8825 driver to microstep a stepper motor in a circuit with the following parameters:Motor coil resistance: 2.5 OhmsMotor coil inductance: 2.5 mHMotor supply...
View ArticleRE: BOOST-DRV8711: SPI MISO Not Functioning
I don't have a 430 available, and I need the feature set of the 432 for my project.The VM voltage is 12 V.I am still encountering the same issue with a brand-new, out of the box MSP432 with fresh...
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BOOST-DRV8711: SPI MISO Not Functioning
Part Number: BOOST-DRV8711I am working to configure the DRV8711 BoosterPack using the SPI register interface on the DRV8711 IC. The MCU I am using is the MSP-EXP432P401R LaunchPad. My code uses the...
View ArticleRE: Survey 1/256 Microstep Moto Driver
Hi Cao Cao,The closest matching device is the DRV8823, but it does not have 1/256 microstep.If 1/256 is required, there are two choices. Use the DRV8711 or create your own pattern with the DRV8881E. In...
View ArticleSurvey 1/256 Microstep Moto Driver
Hi Team,May I know TI has function can compare Panasonic device AN44071? Also meet 1/256 microstep request.I think use two Motor Driver implement is better. Could you help us to comment this?...
View ArticleDRV8711: Fult happen over 20 V
Part Number: DRV8711Dear friendsI used DRV8711 to drive our stepper motor. When we worked under the 20V, every thing is ok and the motor worked smoothly. but when we want to work over 20V, the fault...
View ArticleRE: DRV595: FAULTZ pin behaviour
Hi Anders,As you said, the reserved setting for FS0~FS2 can't be used in the application. In previouos waveforms shown above, the ripple on the FAULTZ pin has 1.2MHz frequency, which is the samae as FS...
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RE: DRV8701: DRV8791 Evaluation GUI Software won't run
Hi Luis,Thank you for the tips, but I have run into two situations when I followed the instructions in the user's manual.1. First computer - CCSv6.1.1 already installed. I downloaded GUI Composer...
View ArticleDRV8702-Q1: SH1 sleep mode has voltage 0.8V
Part Number: DRV8702-Q1Hi, I have a question about the voltage of SH1. If nSLEEP=0, the output of SH1 is not in high-Z, the voltage measured is 0.8V,but it should be 2.2V(high-Z). Thanks.
View ArticleRE: DRV3220-Q1: DRV3220 RVSET question
Hi Anthony,Our experts have been notified and should reply soon.
View ArticleDRV3220-Q1: DRV3220 RVSET question
Part Number: DRV3220-Q1Hi Team,I have some question regarding RVSET on DRV3220. 1. Can measure the die temperature via SPI register value? I can't find it on datasheet.2. What is Max output...
View ArticleRE: DRV8301: Strange behavoir
Hi Simone, Have you read section 8.1.1 of the revision F datasheet: The DRV8301 gate drivers may not correctly power up if a voltage greater than 8.5 V is present on any SH_X pin when EN_GATE is...
View ArticleDRV8301: Strange behavoir
Part Number: DRV8301Hello.I'm having exactly the same problem well explained in the thread "DRV8301 : Trickle Charge Circuitry and Internal Handshake".I'm driving two DC motors with a terminal fixed to...
View ArticleRE: DRV8837: what is the minimum voltage provided by the VM pin of the DRV8837?
dear luis:application：Intelligent lock，motor specs: Voltage range for use: DC:1.5V~4.5V, Rated load: n=200g-cm , At Rated voltage and rated load<=80mA,
View ArticleRE: DRV8711: Fult happen over 20 V
Hello Hadi,You should be able to run your motor over 20V, this device max operation range is 52V. What kind of power supply are you using? Do you have limiting current set in your power supply? Could...
View ArticleRE: DRV8701: DRV8791 Evaluation GUI Software won't run
Hello Kevin,Can you try a newer version of CCS? The latest version is CCSv7.1 Are you downloading from here? Thank you.
View ArticleRE: DRV8307: BLDC Motor driver abnormal operation
Hello TS, Our experts have been notified and will reply as soon as possible.
View ArticleDRV8307: BLDC Motor driver abnormal operation
Part Number: DRV8307Hi,I'm beginner for motor driver, and have a problem with using TI's DRV8307The symptom is as below.-> when repeat start and stop in turn, discover the symptom that do not...
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