DRV8301: Setting Current Amplifier's Gain permanently
Part Number:DRV8301Hello there,I have developed the BLDC drive on DRV8301(referenced on Booter pack). The developed board is working good. But I have an issue regarding the setting of the Gains .The...
View ArticleDRV8702D-Q1: DRV8702D-Q1 resistors
Part Number:DRV8702D-Q1Hi,two question regarding DRV8702D-Q1:1) R(VDRAIN) 100-Ω series resistor (-> The R(VDRAIN) resistor should be used between the VDRAIN and VM pins to minimize current to...
View ArticleDRV10983: BEMF Abnormal error
Part Number:DRV10983HiOur customer faced the following error by increasing rotation speed.I believe it represents Lock2 : Abnormal Kt.DRV10983 is configured for customer motor to be used by referring...
View ArticleBOOSTXL-DRV8301: LAUNCXL-F28027F + BOOSTXL-DRV8301
Part Number:BOOSTXL-DRV8301 HelloI tried to use the LAUNCXL-F28027F + BOOSTXL-DRV8301 to control the speed of GT2820/04 motor. the motor's parameters: Cell count:3-4S, RPM/V=1460, no load...
View ArticleDRV8412: RDSon too high, suitable to use in Industrial application?
Part Number:DRV8412Hi Ti,I am looking for some stepper motor driver which able to takes up max voltage of 48V and have 2.5A continuous current drive. Looking at the DRV8412 it's one of the suitable...
View Articlesuggest me part numbers
Can anyone suggest me part numbers with LBC9 wafer process technology?
View ArticleDRV8800: Logic inputs without supply voltage
Part Number:DRV8800Hi,Our customer would like to use the DRV8800 with a DC motor.In their system, the DRV8800 is sometimes signaled on the logic input pins without supply voltage on the VBB pin.In this...
View ArticleDRV8308: HALLRST function
Part Number:DRV8308Hi,Could you answer me about below?Q1: What is HALLRST?Q2: What is the merit of using HALLRST?Q3: At how situation is HALLRST used?Best regards,Shimizu
View ArticleDRV8308: Using case of 120°3-Hall Commutation in Clock Frequency Mode
Part Number:DRV8308Hi,My customer is using DRV8308 under 120°3-Hall Commutation in Clock Frequency Mode.Q1:Is the following registers used at using 120°3-Hall Commutation? -SPDREVS -MINSPD...
View ArticleDerivation of the encoder position doesn't give accurate velocity at higher RPMs
Hi all, I'm currently doing a FOC of a PMSM using an encoder as a sensor. Later on my analysis, I realized that at higher speeds (15000 RPMs or above) the derivation of the sensed angular position...
View ArticleDRV8320: Separating the power supply from the FET supply
Part Number:DRV8320Hi Team,I am curious if the supply voltage for the DRV8320 can be separated from the supply voltage to the FETs? If so, is there a limit to how far apart these voltages can be?Thank...
View ArticleBOOSTXL-DRV8323RS: Voltage sense filter
Part Number:BOOSTXL-DRV8323RSHello,I am currently migrating from DRV8301 to DRV8323RS booster module. And the controller is F28069M Launchpad. As I did't find any MotorWare example with DRV8323, I am...
View ArticleDRV8843EVM: Motor Not stepping
Part Number:DRV8843EVMHi I don't see motor movement when pressing the step button. the set up is as follows:scope connected to motor A+ and B+ (only one of the motor phases is being...
View ArticleDRV8824: the issue of driving
Part Number:DRV8824Drive a stepping motor. working voltage is 12v, 1 second between running forward direction and backward direction 1. forward direction : 500 pulse2. backward direction :...
View ArticleDRV8305-Q1: DRV8305X-Q1
Part Number:DRV8305-Q1HiDo you know DRV8305X-Q1 what is LDO output current 50mA is the PVDD=?V under conditions? Whether there is the LDO input voltage, output current curvewith PVDD ?
View ArticleBOOSTXL-DRV8301: Need Direct Torque Control for Application Involving...
Part Number:BOOSTXL-DRV8301Hello, I have been using the DRV8301 BOOST pack and the Instaspin labs, but I recently learned from TI FAE Lenio Cacula that instaspin (sensorless FOC) is probably not a good...
View ArticleDRV8711EVM: Motor Driver Not working properly
Part Number:DRV8711EVMBoard not communicating to the motor. I have followed the steps provided in the user guide for connecting the board and powering it up. I did have the board up and running for a...
View ArticleDRV11873EVM: DRV11873 FG output vs actual motor speed
Part Number:DRV11873EVMI am using DRV11873EVM to drive GB2208 motor (from http://store-en.tmotor.com/goods.php?id=447
View ArticleDRV8802-Q1: 1M Ohm resitor from VMx to VCP
Part Number:DRV8802-Q1Hi Team,Can you please help me understand why there is a 1M Ohm resistor between VMx and VCP for the DRV8802-Q1? Also, how come for the same family of devices, such as the...
View ArticleDRV8825: About configuration of decay mode
Part Number:DRV8825Hello, Regarding to decay mode on DRV8825, my customer is asking some question.They will configure these mode depending on motor current.(Question)(1) Do you have something recommend...
View Article