DRV8835 - How to force device reset at abnormal motor operation
Hello Team,I have a simple question how to force the DRV8835 to reset when motor is in abnormal operation. Which case of below is recommended ?Case1) Turn off VCC and VM to 0V, then power up VCC and VM...
View ArticleDRV8835 - Solution for motor noise and EMI
Hello Team,Our customer is considering to place caps on OUT1 and OUT2 pins for motor noise an EMI reduction. Where should they place the caps ?Case1) Between OUT1-GND and OUT2-GNDCase2) Between...
View ArticleDRV8412
Using the Evaluation board in the 000 mode.The inductors were removed and the bootstrap capacitors were set to 4.7uF.( c15/18/20/23) Chanels A & B were driven from two 70 Hz...
View ArticleDRV8301 sometimes is not running because of GVDD_UV
Hello.There is a problem: if some voltage is present at GVDD pin at rising edge EN_MOTOR then sometimes Charge Pump Regulator is not running and driver report FAULT and GVDD_UV in SPI status register,...
View ArticleCustom Driver Board
Hey folks,I've completed a custom driver board Altium project based off the BOOSTXL-DRV8301 files. Would anyone have the time and/or patience to give it a once over? It's my first relatively...
View Articleprogram execution time Calculation
Hai, How it possible to know the program execution time in between two breakpoints ?In my case, there is a bit of code as different functions in ISR. To avoid the overhead of ISR I want to find...
View ArticleDRV10983 Issue
Hello All,One of our customer is using DRV10983 for ceiling fan application and able to successfully run the motor with adjusting some parameters.They have tested the board externally connected to...
View ArticleLMD18200 Under Voltage LockOut (UVLO) feature
Hello,I was inquiring to find out if more information is available about the UVLO feature of the LMD18200? I have reviewed the datasheet and the application report. I wanted to know what parameters can...
View ArticleDRV10983 Power Dissipation Equation
To whom it may concern,Since I got the equation of power dissipation of DRV10983, I post that as follows, Power dissipated in IC = Pcircuits + Pswitching + Pfets Pcircuits – power consumed by internal...
View Articlework in open-loop system DRV8308
. Hello. My task is to provide high-repeatability precision keeping one instantaneous speed = 3000 ob/min brushless DC motor; on shaft of motor is big moment of inertia for smoothing rippling of speed;...
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DRV8301 charge pump problem?
hi, I am doing a BLDC motor driver design using DRV8301, and my circuit is similar to Boostxl-drv8301 kit except the FET used. Here is schematic and PCB file:(Please visit the site to view this...
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Parameter values(Dc current shunt resistor and Capacitor etc) in the...
I'm using the DRV8312-69M kit. I have attached the picture of the inverter circuit where I'm are not able to find the parameter values labeled Rsh, R1, R2, C2. We checked the board schematic...
View ArticleDRV8305-Q1 faults
I'm observing fault conditions I don't understand.On powerup, after chip is configured, I will see a 'warning' condition (fault line toggles), which is cleared by reading register 1, the status...
View ArticleCPG004 GUI in Windows 10
HiI can't seem to be able to install the CPG004 software on Windows 10. Before I bother, could someone tell me that if I set the parameters in the GUI, are they persistent? That is, if I set them, are...
View ArticleDRV8305 Power UP/DOWN Sequence
HiThere are three versions of DRV8305 (DRV8305N/83053/83055).Are there any power sequence for DRV8305s?Regards
View ArticleDRV8432 data sheet revisions
Hello-The 2010 version of the DRV8432 data sheet lists the Continuous current per output pin (Io) as 7A. The 2014 version of the data sheet lists the same parameter as 9mA. What happened? Thanks and...
View Articledrv 8301 Q1
We are using TI's DRV8301-Q1 IC for driving our Inverter bridge. But Its datasheet states that we need to give some commands using SPI protocol to make it work. I am not able to see about its default...
View ArticleUse of DRV 8301-Q1 Without SPI Communication
Hello All,We are using DRV 8301-Q1 for driving our 2KW board.We want to test the board without establishing SPI communication. So are there any default parameter settings in DRV8301-Q1 for parameters...
View ArticleDRV8305 Question about schematic
HiWe have questions of typical application schematic from the datasheet.1. WAKE pin seems to be open. Can we leave WAKE pin open?2. There are four feedback circuit (ASENSE/BSENSE/CSENSE/PVDDSENSE) from...
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