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 ArticleDRV8803: 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 ArticleBOOSTXL-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 ArticleDRV591: 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 ArticleDRV8802: Difference DRV8802/DRV8812
Part Number:DRV8802Hello,what are the technical differences of DRV8802/DRV8812?Regards, Holger
View ArticleDRV8834EVM: 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 ArticleDRV10983: 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 ArticleDRV8711EVM: 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 ArticleDRV8834: 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 ArticleDRV8848: 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 ArticleDRV8305: 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 ArticleDRV8305: 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 ArticleDRV8701: 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 ArticleDRV8818: 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 ArticleDRV3205-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 ArticleDRV8701: 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 ArticleTPIC2060A: 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 ArticleAsking 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 ArticleDRV8830: 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 ArticleDRV8711: 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?
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