DRV10974: Startup issue
Part Number:DRV10974Hi sirour customer use DRV10974 to design as air purifier，now meet above question need you help to check it and give some suggetions how to dubug it,tks!quetions: when use the...
View ArticleDRV8846: Operational at VREF between 0 to 1 V, but accuracy is degraded
Part Number:DRV8846Hi allWould you mind if we ask DRV8846?There is the description "Operational at VREF between 0 to 1 V, but accuracy is degraded." on the datasheet P4.According to VREF between 0 to 1...
View ArticleFull-bridge fet driver for IRFP450
HelloIm driving motor with IRFP450 fets N - CHANNEL - VDGR 500V - 0.33Ω - 14A - VGS 10Vpdf1.alldatasheet.com/.../IRFP450.htmlIs there any full bridge drivers from TI what might work with these fets?Its...
View ArticleQuestion about adding precision position control to FOC-style algorithms
I didn't see anything like this posted around, but I 'm kind of surprised it wasn't. There's quite a lot of commercial activity nowadays on the topic of using motors for axis control in applications...
View ArticleDRV8332: Data sheet question: Why recommend OC latching mode only at 13.2A
Part Number:DRV8332Hello,I am seeing peak current pulses of about 10-11A per phase when my BLDC motor is under load. I have the following configuration: M3=1, M2=0, M1=0. The peak current stays at...
View ArticleDRV3245Q-Q1: Can DRV3245-Q1 be used to BLAC?
Part Number:DRV3245Q-Q1Dear team,As you know, TI has DRV3245-Q1 as BLDC device. Can we use this device into BLAC application?As far as I know BLDC is controlled by trapezoidal signal and...
View ArticleDRV8840: How much of capacitance error is allowed for the flying capacitors...
Part Number:DRV8840Hi Exparts,My customer is asking TI about tolerance specification of capacitor for CP1, CP2 and VCP of DRV8840. Could you support this question?They understood that 0.01uF ceramic is...
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DRV8711: The gate signal of the high side FET in Auto Mixed Decay
Part Number:DRV8711Hi,The gate signal of the high side FET does not become HI continuously for 2 steps.It occurs at a speed between 12000PPS and 18000PPS. It does not occur until the speed of 11000PPS...
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DRV8847: current regulation and Vext
Part Number:DRV8847hi, All.i've been asked by customer for below question.please support it.Q1correct for below?in case of 100% TRQ(connect to GND), should Torque be "1"in case of 50% TRQ(connect to...
View ArticleDRV110A-Q1: current limit
Part Number:DRV110A-Q1hellocan i make the ipeak cureent limit higher than 0.9A by rducing the Rsense<1ohm ?what is the maximum current peak and hild the part can handle?
View ArticleDRV8702D-Q1: Vdrain impacting current regulation ?
Part Number:DRV8702D-Q1Does the level of Vdrain have an effect on sensitivity of internal current regulation amplifier ?For zero current and 5.5<Vdrain<12V, Voltage at SO pin is 480mV.For zero...
View ArticleDRV8823: Difference between SLEEPn, RESETn and SSTB pin
Part Number:DRV8823Hello Team,One of my customer is planning to use DRV8823 in their design and it is not very clear from the datasheet what is the difference in operation of SLEEPn, RESETn and SSTB....
View ArticleDRV10983: Can not reach desired speed using DRV10983EVM
Part Number:DRV10983I am trying to run a motor from DRV10983EVM. It's a small outer rotor BLDC motor that can do 15000RPM using sensors. Once I try to run it without sensors from the DRV10983EVM, I can...
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DRV11873: DRV11873
Part Number:DRV11873Hi Team,we use DRV11873 to drive the permanent magnet dc micromotor, and we add the function of wireless charging in the middle of the motor, as shown in the figure below.1: the...
View ArticleDRV8823: Cascading of DRV8823 using SPI
Part Number:DRV8823I want to drive 8 Bi-Polar stepper motors , so planning to use DRV8823 so I can use single SPI Bus to drive 8 motors.Wanted to know how shall we drive the following pins (SSTB,...
View ArticleDRV8302: Operation above 40V
Part Number:DRV8302The DRV8302 is listed as having a maximum operating voltage of 60V; we have been using the part for some time and recently have increased the bus voltage. We've noticed that the...
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BOOSTXL-DRV8305EVM: SPI kommunikation reponse always zero
Part Number:BOOSTXL-DRV8305EVMHello,I have problems with the SPI communication. The timings were set according to data sheet. The SDO signal always goes to "zero" during transmission. Wake was set to...
View ArticleDRV8711: Make Noise and Heat
Part Number:DRV8711Hi All,I am using DRV8711 in my project. I have to vary 10 Steps/Sec to 12000 Steps/Sec.Following problems I am facing -1. It is very noisy2. Get heated up around 75 degree...
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CCS/DRV8880EVM: GUI Installation problems
Part Number:DRV8880EVMTool/software: Code Composer StudioHello,i have a similar problem, the software "GUIComposerApp-v1.0.setup-win_2.0.3.exe" doesn't work poperly neither in "WINDOWS 10 64 bit" nor...
View ArticleBOOSTXL-DRV8301: higher amperage driver?
Part Number:BOOSTXL-DRV8301I am using this to test a fan motor, but the motor requires a higher amperage (i.e. 40 amps). I can get it to run at lower speeds restricting the amperage to 15 amps. Is...
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