RE: DRV3201 undervoltage/VGS comparator errors
Hello Tim, Let me move this to the motor drive forum, they should be able to answer your question. Regards, Karl
View ArticleRE: DRV3201 undervoltage/VGS comparator errors
Hi Tim, Our expert has been notified and should reply soon.
View ArticleClik here to view.
DRV3201 undervoltage/VGS comparator errors
Hello,i have the drv3201 board and want to move a bldc motor.My problem is, that the driver writes after every change of the IHSx and ILSx signals undervoltage and VGS comparator into the status...
View ArticleClik here to view.
DRV120APWR as solenoid driver issue
Hi TI Expert,I used DRV120APWR to control the solenoid, but noticed when I first power up the unit, the solenoid will energize and when monitor the voltage on the SOLENOID_EN and I measured 3.3V. So I...
View ArticleClik here to view.
DRV10983, BLDC motor and Maximum Speed
Dear TII have some problem with my motor,My BLDC motor parameter:Operating voltage: 24 Current;: 1.2A. Max.,RPM: 3000 (non load),Pole; 10, Phase resistance: 0.58 (Ohm).In my...
View ArticleBQ32002 IBACK spec at 85C
BQ32002DR IBACK Backup supply current is specified at TA of 25°C = 0.9μA Typ, 1.5μA Max, but customer needs to know what it is at 85C TA.Thanks,Brian
View ArticleRE: DRV120APWR as solenoid driver issue
Hi KPK, Our expert has been notified and should reply soon.
View ArticleRE: DRV10983, BLDC motor and Maximum Speed
Hi Nguyen, Our experts have been notified and should reply soon.
View ArticleRE: DRV120APWR as solenoid driver issue
Hello KPK,Thank you for your question.The DRV120 has an internal 500 kohm pull-up resistor on the EN pin. If you want the EN pin to be low at power up so the solenoid does not energize, you can use a...
View ArticleRE: DRV10983, BLDC motor and Maximum Speed
The most important is keep accurate the Rs and Kt. You can get the Kt from GUI.The if you can't get the right result, you can follow the below steps.1. Enable CLoopDis, for tuning device at open loop...
View ArticleRE: DRV11873 and few questions about it
1.1 Yes, BLDC control use electronic commutator, what do you want to write depending on your goal, maybe you can talk with you professor. 1.2 3 half-bridge, Because 3 phase BLDC always need 3...
View ArticleRE: DRV8711 Register Optimization
Hi, Regarding to the current level question, the motor spec normally give the 1A means the full stepping mode current level. If you are using micro stepping, you can setting 1.4x of that value as the...
View ArticleRE: DRV8711 Register Optimization
Hi Wilson, I've had SOME basic stall detection results... Although my waveforms seem quite different than my waveforms found in my experiments several months ago so I'm concerned something is not...
View ArticleClik here to view.
DRV8711 Register Optimization
Hello TI,I have a couple questions for the motor experts. I have reviewed both the DRV8711 datasheet and Quick Spin Tuning guide pretty thoroughly.Furthermore I did a good feasibility study with the...
View ArticleRE: How to modify GUI from DRV8880EVM reference code?
For the FW, I used JTAG I/F and could do it. Only GUI is left.
View ArticleHow to modify GUI from DRV8880EVM reference code?
HiI installed DRV8880EVM and tested all by changing parameters.As I understand, this DRV8880EVM application uses "DRV8880EVM_v1p1.out" in target directory to upload FW to F2617 target device on...
View ArticleRE: DRV8834 About Sleep mode at -10 degrees Celsius
Hi Shimizu, nFAULT is not driven low directly based on nSLEEP. When in nSLEEP condition, the internal transistor of nFAUTL is on an undefined state, but the external pull up will still pull the nFAULT...
View ArticleDRV8834 About Sleep mode at -10 degrees Celsius
Hi,My customer is using DRV8834. He operated DRV8834 into Sleep mode at -10 degrees Celsius by inputing low level logic from MCU to nSleep pin. But DRV8834 did not enter Sleep mode. Please see the...
View Article