DRV8842: DRV8842 not giving sufficient output voltage while testing
Part Number: DRV8842HiI am using DRV8842 for driving linear actuator motor. And for the testing purpose i setup the circuit (without motor as load). VM=12V (form laboratory supply), driving motor...
View ArticleRE: DRV8432: Vreg=0.48v
Hi Mak, Thank you for the schematic. The output of the regulator does not appear to be connected to VDD (pin 17) and the GVDDx. Please confirm that it is connected properly. Please note figure 8 of the...
View ArticleRE: DRV8870: DRV8870 Test circuit not working
Ok, i did what i should have in the beginning, i looked at the evaluation board schematic and i noticed the circuit does not have the 47uF bulk cap like the test circuit in the data sheet so i removed...
View ArticleRE: DRV11873: DRV11873EVM PWM adjust the Spd_Adj potentiometer
Hi Lucifer, Our experts have been notified and should reply soon.
View ArticleDRV11873: DRV11873EVM PWM adjust the Spd_Adj potentiometer
Part Number: DRV11873Dear Sir,I am using a DRV11873EVM to connect a 12 pole BLDC motor. And apply power to the H1 header, the motor starts quick smooth.But when I adjust the R6 Potentiometer...
View ArticleCCS/DRV10983EVM-TB: Using Targetboard and Launchpad
Part Number: DRV10983EVM-TBTool/software: Code Composer StudioI am new to this field and am learning to use the Target board and Launchpad to program DRV 10983. I have a motor spinning successfully and...
View ArticleRE: CCS/DRV8301-HC-C2-KIT: connecting ext pot
Hi K.V., Yes you can connect and use external pot. Please see the post e2e.ti.com/.../1145713 as an example of how to do this.
View ArticleCCS/DRV8301-HC-C2-KIT: connecting ext pot
Part Number: DRV8301-HC-C2-KITTool/software: Code Composer StudioHi,Can I Connect external pot to the drv 8301 for speed control. Can anyone suggest where to connect it to the DRV8301-HC-C2-KIT i.e.,...
View ArticleDRV8701: DRV8701 Freewheel Diodes required?
Part Number: DRV8701Hello,I am working on a Brushed motor driver based on a DRV8701with CSD18540Q5BT mosfets to Drive a 24V 50W BDC Gearmotor. For reference I have purchased a DRV8701-EVM eval board,...
View ArticleDRV8837: H-Bridge speed
Part Number: DRV8837Guys, this is generic question- and I could swear this change in the TI parametric search, but regardless, is there some way to filter H-bridge drivers or controllers by operating...
View ArticleRE: DRV8834: PPAD and GND
Hi ACGUY, The EVMs typically connect the GNDs close to the PPAD. Connecting the PPAD near the GND pin reduces the voltage difference between the PPAD and GND. One exception is the DRV8844, which can be...
View ArticleDRV8834: PPAD and GND
Part Number: DRV8834Hi all,At this device's EVM that PPAD and GND connected near.Another motor driver's PPAD and logic-GND does not connected to near.Can you recommend PPAD connect to near the...
View ArticleRE: DRV8701: DRV8701 Freewheel Diodes required?
Hi John, The internal mosfet diode typically can handle the current when freewheeling. For concerns about voltage spikes, adding space for additional circuitry is usually a good idea if the space is...
View ArticleRE: DRV8837: H-Bridge speed
Hi radar, The fastest device available is the DRV8412. It is designed for minimal propagation delay between input to output. May I ask the application?
View ArticleRE: CCS/DRV8301-HC-C2-KIT: connecting ext pot
Dear Mr.Rick,Thanks for the info. My program works fine with the inbuilt POT R28. Now I want to connect external pot without removing the R28 pot from the board. I need to access any of the left over...
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IC Selection
Hi everyone,I designed gate drivers for my application and there is no problem with it. Now I am designing an Active Gate Driver when the gate resistors would be selected to reduce dv/dt. The figure...
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IC Selection
Hi everyone,I designed gate drivers for my application and there is no problem with it. Now I am designing an Active Gate Driver when the gate resistors would be selected to reduce dv/dt. The figure...
View ArticleCSD88537ND: CSD88537ND Doubts
Part Number: CSD88537NDDear Community,I understand the working of Mosfets in general but I have this doubt, Assume I have CSD88537ND And now I make the following connection 1. connect the pin 8 ( D1)...
View ArticleRE: DRV8823 Control
Hi Team,With the above mention values motor is rotating, May I know the angle of change for each sequence.71 71 100 0 71 -71 0 -100 -71 -71 -100 0 -71 71 0 100 repeat at top //First sequence71 71 100...
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