DRV8353: drv83535
Part Number:DRV8353Dear sir,I'm working on project of BLDC motor drivers. The ratings are as follows:I max =150AV bus = 72VI found IC DRV8353RS (SPI mode) as best for this application. But I'm having...
View ArticleClik here to view.
DRV8711: Direct PWM. Hi-Z state on both xOUT1 and xOUT2 at the beginning of...
Part Number:DRV8711Hello!I am using DRV8711 in direct PWM mode. I input signals in accordance with "Table 2. Direct PWM Input Mode Logic" page 12 Datasheet. As you can see on the diagram, the AIN1...
View ArticleDRV8846: Using multiple devices
Part Number:DRV8846Hello,For using 2x DRC8846 devices:1. Can we tie nENBL low and only use nSLEEP to enable/disable?2. Can we share tri-state pins between between the two DRVs? I.e. tie the two I0 pins...
View ArticleDRV2605L: Supply current requirement for DRV2605LYZFR
Part Number:DRV2605LHelloI'm using DRV2605LYZFR in my project. What is the supply current requirement for this IC @ 3.3V.Please help me out in this concern.RegardsNidhi P Shetty
View ArticleClik here to view.
DRV8323: Current sensing problem
Part Number:DRV8323Hi,I try to measure motor phase currents. I'm using DRV8323R, and I choose gain 20 by resistor 1M connected between GAIN pin and ground, like it's descripted in datasheet. Shape of...
View ArticleDRV8301: nFault pin keeps output low for 800µs
Part Number:DRV8301I am working on a 3-phase bldc motor driver with DRV8301.When starting the motor, the nFault pin keeps switching to low for 800us.I find no error in Reg0.What fault can cause the...
View ArticleDRV8837C: chip is burned out
Part Number:DRV8837Capplication: bike lock2 chip is tested ,after 1000-times test,one is burned out.vm=4.2V, Iout<550mAtest is bellow: a single cycle( in1,in2 =01after 1s ,in1,in2=1150us...
View ArticleClik here to view.
DRV8702-Q1: VM Applying Voltage Difference
Part Number:DRV8702-Q1Dear, Sir.My customer is considering to utilize DRV8702-Q1 for their system. They will add a special circuit to do the system diagnostic. As the result, The voltage of VM(VM for...
View ArticleDRV8353: DRV8353 Current Output
Part Number:DRV8353Dear Team,after esolve the problem with demaged ICs I now test more and more and try to get a current output from the internal amplifier. I run with a PWM of 4 kHz and 33% duty....
View ArticleDRV8308: Motors must finish coasting before ramping up
Part Number:DRV8308Hi,We are working on an outdoor vehicle which is very close to commercial production, but we have one lingering bug which we cannot solve.If the vehicle is rolling downhill and the...
View ArticleDRV2700: Do we have other Piezo Buzzer Driver which is charge pump type?
Part Number:DRV2700HiMy customer is using Diodes Piezo Buzzer Driver PAM8904 which is.charge pump type.I found TI solutions are boost type, do we have charge pump type solution?Eric Lo
View ArticleDRV8320: Allowable number of shunt resistors
Part Number:DRV8320Hi,My customer has a question.In the designs with DRV8320, can three current sense resistors be used? My cutomer refered the description in the datahseet of CSD88599 as shown in...
View ArticleLM628: LM628N-6/NOPB 6MHz Version - ist the LM628N-8/NOPB 8MHz Downward...
Part Number:LM628Hi - can anybodoy tell us if we could simply use the better 8MHz version also for the 6MHz Version here without any changes ? So does the 8MHz Version works also like a 6MHz ?...
View Articlehow to Decelerate motor correctly?
Hi every one good day !I am using HVKit F28027 control card (Project Lab03a)I have a problem of Decelerating my motor,when I set " gMotorVars.SpeedRef_krpm=0 "motor decrease it's speed after that (in...
View ArticleClik here to view.
DRV8305-Q1: Reverse Supply Protection
Part Number:DRV8305-Q1Dear, Sir.I would like to make sure the Reverse Supply Protection function because I can't understand well reading the datasheet. 1. I think ; Under normal operation, the...
View ArticleHow to use API Function(write/read flash) in Motorware proj_lab03?
Hi every one Good day!I have been working to solve my issue for more than 2 weeks,Please Help me!I am using HVKit (F28027) Motorware->proj_lab03 I attached all API File and header file from...
View ArticleDRV8301: How to set up F28027F with DRV8301 without external current sensor
Part Number:DRV8301Hi,I have successfully replicated F28027F + DRV8301 design in the custom board. Thank you very much for your forum and support.In another design, I am trying not to use the external...
View ArticleDRV8412: ESD-Ratings
Part Number:DRV8412Hello all,my customer needs our ESD ratings for the DRV8412. In the data-sheet he only found the values for CDM.Best regardsOlaf
View ArticleDRV8860: Serial data out going high on end of transmission, or?
Part Number:DRV8860When reading out the fault register - and the clock keeps toggling after the 16th bit - is the DOUT in high state?Issue being that I would like to use the DOUT line for other chips...
View ArticleDRV-ACC16-EVM: Restrictions on using schematics of reference designs.
Part Number:DRV-ACC16-EVMHello great people,I am a student and currently a part of the texas university program. In my project, I need to make use of the accelerometer (although TI has none available)....
View Article