DRV8308 High Voltage
Does TI have any suggestions on how to make the DRV8308 controller work with motors in 17 to 64 voltage range instead of its native 8.5 to 32 volts?Thanks.Alex
View ArticleClik here to view.
Question about using DRV8312 motor driver
Dear TI expert,I hope this is the right forum for my question. If not, feel free to move it; I did not find dedicated motor driver forum.I am using DRV8312 motor driver chip in my setup. I am measuring...
View ArticleDRV8301 has fault in my board
Hi all, Now I am transplanting from "C2000 LaunchPad XL TMS320F28027F + BOOSTXL-DRV8301 REVB" to my board. The attachment is my schematic and layout, and external MOSFET is AOD444.I use MotorWare...
View ArticleDRV8805 & DRV8806 selecte Question
Hi,It does not determine to what the control signal, it uses 2A of UNIPOLAR STEPPER MOTOR.(Continuous current is scheduled for approximately 1.4A)DRV8805 and DRV8806 or is suitable?2-Phase...
View ArticleClik here to view.
Measurement of voltage and current of an inverter
Hi,My application involves measuring battery parameters and inverter parameters. Terminals of both inverter and battery goes to the ADC of microcontroller as shown in attached figure. microcontroller...
View ArticleAbout nFault pin of DRV8801
Dear, AllThere are the following questions from a customer.The time of nSLEEP pin is 'Low', nFault pin are described in the data sheet to be a 'not valid'(9.3.8 Diagnostic Output)When the output...
View ArticleHi, I have purchased an AC Inverter motor (LVACIMTR) in a bundle...
Hi, I have purchased an AC Inverter motor (LVACIMTR) in a bundle (LVACI-LB-BNDL) that also includes BOOSTXL-DRV8301, and LAUNCHXL-F28027F. But when I look at the documentation for DRV-8301 it only...
View ArticleClik here to view.
DRV8805 Electronic Design
Hello.I want to drive a unipolar stepper motor of 5 wires with an impedance of 14ohm between the common wires and which one of the remaining wires.Initially, I used the ULN2002N and i was successful...
View ArticleDrv8811 output frequency
I tested my stepper motor using mcu and certain frequencies... I also check waveforms of output given by internal H-bridges at full step and other modes also but I am getting output frequencies are...
View ArticleDrv8811 reset pin
Can anyone explain how does reset pin and sleep pin differ from each other in drv8811???... And also use of all enable sleep and reset pins??
View ArticleDRV8811 voltage and current spikes
Are there any voltage or current spikes problems in stepper motor driver circuit using DRV8811?
View ArticleUsing sleep pin for DRV8834
Hello,I am using DRV8834 driver along with a stepper motor. I want to get a reference position before starting an operation. I checked the datasheet and found that 'sleep' pin can be used for this by...
View ArticleHigh Voltage BLDC Driver
Hi,I don't know where to start for a controller of High Voltage BLDC :- We have a stable DC bus of 800VDC (it is not yet really determined, it is >600V and <1000V)- The motor will be a Sensorless...
View ArticleUC2625DW Thermal resistance
In one of our applications developed in Valence, we intend to use the UC2625DW.Hello,One of my Customers needs to perform thermal calculations on the UC2625DW but there is no data regarding the thermal...
View ArticleDRV8800 internal PWM frequency
Hello,Our customer uses the DRV8800.He wants to estimate the switching loss.How about the frequency of internal PWM?Regards,Naoki Aoyama
View ArticleQuestion for CL value in BQ32000
This is FAE Ray Chang who is cover USI.Do we have integrated the CL in BQ32000 or any firmware that can set the CL? The customer used the BQ32000 in their project.The Crystal Vendor is tuning for...
View ArticleClik here to view.
DRV8301 SPI Communication, no answer from DRV8301
Hello,We are using a DRV8301 3 phase gate driver in combination with a dsPIC microcontroller.The only thing I want to to is configuring the current gain amplifier gains at start- up and read these...
View ArticleUp to 800W sensorless BLDC application
Motor control applications team,Here is a question posted under one of our blogs - please help provide your assist to Savas here. Thank you.Savas PINARhi,I want to ask a few questions. I have BLDC...
View ArticleDRV3201-Q1 Question(PH1-PH3 behavior)
Hi,I would like to ask you following questions about DRV3201-Q1.Q1) The output condition of PH1-PH3How is the output conditions of PH1～PH3 when RSTN is low? (reset)All outputs are low?Q2) The influence...
View ArticleClik here to view.
About BQ32002 super-capacitor vs work time
Dear SirsFor the following figure:When I only use super-capacitor 0.22uF,What is the time does the super-capacitor work?ThanksBRSNat
View Article