Quantcast
Channel: Motor drivers forum - Recent Threads
Browsing all 13252 articles
Browse latest View live

Low Inductance Motor control product

Hello I am looking for some advice. I am trying to figure out what is the best TI product for my application. I have a custom built 16 pole (8 pair) motor approximately 0.110 ohm phase to phase and...

View Article


DRV8803: DRV8803 logic ground pin & power ground pin

Hi,1.  We shorted one of the DRV8803 outputs to 24V,and the short current is about 9.5A. This current flow into ground and cause ground voltage level rise up, the amplitude is exceed 1V.    Is this...

View Article


Image may be NSFW.
Clik here to view.

BOOSTXL-DRV8323RS: For DRV8323RS Reverse Protection schematic design

Part Number:BOOSTXL-DRV8323RSHi,For DRV8323RS Reverse Protection schematic, if we can reference DRV8305 schematic design?Or you have other suggest reference schematic design.Thanks your help.Best...

View Article

DRV591: Allowed working temperature

Part Number:DRV591Hi team,My customer is always using DRV591. But in their new project, their board temperature will be 90C which exceeds our datasheet TA range. But the calculated junction temperature...

View Article

DRV8802: Difference DRV8802/DRV8812

Part Number:DRV8802Hello,what are the technical differences of DRV8802/DRV8812?Regards, Holger

View Article


DRV8834EVM: Connecting xISEN directly to ground

Part Number:DRV8834EVMHello All,I have a couple questions in regards to the DRV8834...1) If xISEN is connected directly to ground, what will the current limit be for each bridge? The datasheet says the...

View Article

DRV10983: Overcurrent

Part Number:DRV10983Having difficulties driving a motor with the DRV10983 evaluation module.The motor specs are as follows:Operation Voltage: 24VNumber of Poles: 4Max Speed: 50,000rpmMax current: 2A...

View Article

DRV8711EVM: Reaching Desired RPS with 1/2 step

Part Number:DRV8711EVMFor my application, I need to be able to run my DRV8711EVM at ~60.1 rev/s. My understanding of reaching a desired angular speed is:200 pulses/rev * steps/pulse * rev/s = steps/sSo...

View Article


DRV8834: Fast and Mixed Decay

Part Number:DRV8834Hello,Our customer use the DRV8834, using STEP/DIR control.It is mentioned Fast and Mixed decay used when the current is decreasing orremaining constant on the datasheet.What it...

View Article


DRV8848: Thermal Pad connect to GND

Part Number:DRV8848Hi, TeamNoticed that in D/S, thermal pad of DRV8848 is required to be connected to ground.Wonder what if leave the thermal pad floating?Other than thermal, will that lead to other...

View Article

DRV8305: absolute maximum rating of PVDD-VDRAIN

Part Number:DRV8305Dear all,I think that this device will be broken when the voltage at this pins become over +/-10V.However, my customer think that input pin of comparator will just be open state...Is...

View Article

DRV8305: reference voltage of VCPH charge pump

Part Number:DRV8305Dear all,I would like to make sure about VCPH charge pump voltage just in case.What voltage deos VCPH charge pump reference to? Is it PVDD?Best regards,

View Article

DRV8701: About the fire of DRV8701.

Part Number:DRV8701Thank you for your response.I developed a motor drive using the drv8701p.It is used in electric cars for children.Sometimes, however, the drv8701p chip fires.Where it occurs is...

View Article


DRV8818: SOA of the output FET

Part Number:DRV8818Hello,Our customer use the DRV8818.The customer connect a capacitor between xOUTx and GND to reduce EMI noise.The value of a capacitor is 6800pF or more.I suggested the customer...

View Article

DRV3205-Q1: EEPROM CRC diagnostics

Part Number:DRV3205-Q1Hi,My customer is using DRV3205-Q1.He has a issue about EEPROM CRC diagnostics.He used the following procedure to confirm EEPROM CRC diagnostics.But He couldn't occur "EEPROM CRC...

View Article


DRV8701: use in 1/2 bridge mode for 2 motors?

Part Number:DRV8701Hello,can I use the DRV8701 in 1/2 bridge PWM mode for 2 motors?Regards, Holger

View Article

TPIC2060A: P5V OFF, P12V ON

Part Number:TPIC2060AHiIs it allowed  to supply only P12V to TPIC 2060A while in no driving operation?(Stopped supplying to P5V terminal)The purpose is to reduce power consumption.BestRegards

View Article


Asking for altenate solution to replace AN41908A for Lens driver

Hi TeamMy customer would like to find Lens driver solution. The constant current requirement is at least 200mA for zoom, focus and P-IRIS control.The similar Panasonic spec...

View Article

DRV8830: Running motor at 6V

Part Number:DRV8830I'm trying to get some clarification on the VSET DAC. According to the datasheet, the max value of 0x3F yields a DAC voltage of 5.06V. Is this the maximum output voltage to the motor...

View Article

DRV8711: microstep factor of 36

Part Number:DRV8711I need a microstepping factor of 36 - not 32 or 64. Is there a way to achieve that with the DRV8711? If not, is there another chip that I should use?

View Article
Browsing all 13252 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>