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Need a controller for the DRV8301
So, I am interested in the following; I have a DRV8301 and would like to use it to spin a 3 phase BLDC motor. Now, since this is a pre-driver, I know that I would need a controller to achieve this...
View ArticleDRV8844
ON THE ABOVE I WOULD LIKE TO NO , THAT CAN THE PART BE PARRALLELED TO INCREASE OUPUT POWER AND IF I HAVE LETS SAY 5 UNITS ON THE SAME BOARD ALL PINS ARE PARRALLELED INPUTS AND OUTPUTS AS WELL SHOULD I...
View ArticleDRV8801
HELLO AGAIN THIS IS WILLIE L. MCCAIN I HAD SENT IN A REQUEST EARLIER TODAY ABOUT A PART P/N DRV8844 FOR A NEW DESIGN FOR MOTOR CONTROL , BUT AS I LOOK AT THE TI SITE AGAIN I FOUND A BETTER PART OF USE...
View ArticleIs the DRV8312-69M-KIT suitable for a sensorless non-PM motor?
We are developing a non-permanent-magnet (non-PM) switched-reluctance (SR) 3-phase sensorless motor using up to 48V and a few amps, probably less than 6A. It looks like it is targeted at PM motors....
View ArticleDRV8818 deglitch time
Hello,My customer uses the DRV8818.He connects a capacitance at the output pin to reduce a noise voltage.He check a inrush current of capacitance, that is 4.5A during 110ns.I explain that the OCP...
View ArticleDRV591 Vcm
Can you clarify the operation of the Vcm of the differential input of the DRV591.Using a single ended input with the Vin (-) connected to VDD/2.With a 3.3V supply to VDD and datasheet states that the...
View ArticleDRV8432 Unused Pins of C and D Bridges
If I am only using bridge A/B and not C/D what should I do for all of the C/D specific pins? For example, should PVDD_C still get connected to PVDD or should it be left disconnected?Thank you.
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DRV8313EVM schematic error
Hello chaps.This is not a question post, quite the opposite.I am posting this in hope to save some chap the headache.I recently bought an DRV8313EVM board and it wouldn't connect to the PC. After hours...
View ArticleDRV3201-Q1 Startup time of Boost converter
Hello,Customer wants to know startup time of boost converter from B_EN changes to High.I have already answer answered as follows.“The time until the boost reaches it's final value is strongly depending...
View ArticlePosition Calibration on PMSM on sensored FOC using TMDSHVMTRPFCKIT
Dear Friends and TI Engineers,Currently, I do some research on PMSM FOC. I buy the TMDSHVMTRPFCKIT development kit from TI last month and I used 2HP PMSM motor with an incremental encoder 2500 PPR.I...
View ArticleDRV8800 / Capacitor on VREG
Hi All,I understand that VREG can be floated but it can be added optional capacitor on it. Please let me know when the this optional capacitor need to be added?Best Regards,Sonoki / Japan Disty
View ArticleDRV3210-Q1 Assertion of the fault flags during power up (45)
Hello,Please answer following questions from customer. Datasheet has following note on page 13 and 14. (2) Assertion of the fault flags may occur during power up. Please answer following question...
View ArticleAbout usage of DRV8802-Q1 for 24V system
Hi , There is a question about how of DRV8802-Q1 to use application 24 system.Is the power supply targeting 24V system to it in this device, although the electrical characteristics of 24V is indicated...
View ArticleDRV3210-Q1 How to re-enable watchdog after disabled (19)
Hello,Please answer following question from customer. They disabled the watchdog by connecting /RES and PRN terminal using external switch while power up./RES and PRN is disconnected after they...
View ArticleDRV3210-Q1 VCC and /RES behavior around VCCUV voltage (55)
Hello,Please answer following questions from customer. Customer tested the /RES behavior when VB down to 5V and VCC is around VCCUV voltage using their prototype board.Result is attached file.(Please...
View ArticleDRV3210-Q1 Procedure to enable TEST mode (42)
Hello, Please let me known the procedure to enable TEST Mode.Customer want to know this information because they are concerning to enabled the TEST mode accidentally by external disturbance (noise...
View ArticleDPWM
Hello, I was wondering if TI have DPWM macro as it has SVPWM macro. Please anyone suggest.Arafat
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DRV8834 – About max and min value of the internal PWM frequency
Hi Team, Our customer are evaluating the current control function of DRV8834.And, they would like to know about max and min value of the internal PWM frequency.Could you please let us know this value?...
View ArticleUnable to find a user guide for the drv8312-69m-kit.
Is there a user guide for the drv8312-69m-kit? The page for the kit refers to the InstaSpin info, spruhj0b.pdf, which seems more like a white page for the InstaSpin technology. I just want to learn how...
View ArticleDPWM
Hello,I am wondering if have macro for discontinuous PWM (DPWM) like the SVPWM. Please anyone suggest.Arafat
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