How to control multiple DRV10983 EVMs from one computer by the DRV10983 EVM...
Hi,I have three DRV10983 EVMs. All three are connected to my PC through the USB2ANY adapter. Now, I would like to controll each of them by the DRV10983 EVM GUI. However, as I tried to start the second...
View ArticleDRV10866 Starting position of FG output
Hi,My customer is using DRV10866. He has a issue about Starting position of FG output. He uses FG signal to confirm position motor. and he say that "DRV10866 has 3 point of starting(occurring) position...
View ArticleAny way to reduce the start time of DRV10983
I am testing a motor (12V, 2 pole-pairs, Rs = 0.38, Kt = 29 mV/Hz) with a load disk of 100 g using DRV10983 demo board. Generally speaking, the system works fine but I want the start up time to be...
View ArticleDRV8824-Q1: the way to detect open load
Dear all,Is it possible to detect open load by DRV8824-Q1?I have understood this device does not have FAULT to detect open load.However my customer want to use this device and detect open load.So, I...
View ArticleDRV8802-Q1: about input electrolytic capacitor at VMx pin
Dear all,I would like to know about input electrolytic capacitor at VMx pin.Are there some concerns if electrolytic capacitor fall below the recommend value (100uF) by capacitor's temperature character...
View ArticleDC-Link Capacitor PCB placement
Hi guysI am finishing a E-Bike motor drive design. In my design, the DC-Link capacitor is composed by three electrolytic capacitors in order to compensate the maximum current ripple in the DC-Bus. The...
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DRV8801 OCP fault because of noise?
Hello Forum, I need your help! I made a circuit that moves a 24V 3A DC Motor with a DRV8801 motor Driver. I have the sense output connected directly to ground. A microcontroller ramps up a 31KHz PWM on...
View ArticleBattery driven applications of Stepper motor and challenges in Consumer...
Hi ,I am working on a consumer electronics application where the bipolar stepper motor will be used . The biggest challenge I am facing now is to make the whole electronics and Motor sustain on AA...
View Articlei found jerks in driving stepper motor using DRV8824 at the time of direction...
VMA and VMB - 12 VAVREF, BVREF - 3.3Vdecay - mixed decay(tried slow/fast)circuit is as per datasheet with recommended values for components.am getting 3.3v at v3pout.sleep/reset pins are connected to...
View Articlewhy the stepper motor is locked after enable the driver (drv8824)
why the stepper motor is locked after enable the driver (drv8824)
View ArticleDRV8301 Overvoltage (GVDD_OV) Protection
Hi,i have read DRV8301's datasheet and section "Overvoltage Protection".I would like to understand how to test the conditions GVDD_OV without damaging the kit "DRV8301-HC-C2".Is there a procvedure to...
View ArticleDRV8711 PreDriver Fault after an hour of milling
Hi,I have I custom made DRV8711 driver board with CSD18531Q5A mosfets and small MCU controling the DRV8711 over SPI (yes, TI has special kind/mode of SPI :) ). In standalone PC application user can set...
View ArticleDRV8711 PreDriver Fault after an hour of milling
Hi,I have a custom made DRV8711 driver board with CSD18531Q5A mosfets and small MCU controling the DRV8711 over SPI (yes, TI has special kind/mode of SPI :) ). In standalone PC application user can set...
View ArticleWhen using DRV8307 , what do you recommend to prevent it from damaging when...
Hi,I am trying to replace Vishay Siliconix SI9979 in our products with DRV8307. The peak current is 24V 1-15A on BL motor. FS 75N08A is the MOSFET we are using on current SI9979 board.The prototype...
View ArticleDRV8842 Current Sense
Hello,is there any way to measure the current beeing delivered by the DRV8842 driver to a DC Motor? I have VFREF connected to V3P3OUT with a 47uF filter Capacitor to ground, and use a 0.13ohm sense...
View ArticleDRV8308EVM Faults Won't Clear
Hello,I am trying to setup the DRV8308EVM for the first time. The included motor is wired as shown in the user guide and i'm supplying the board with 24V. The jumpers are in the positions shown in the...
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DRV8301 Gate Voltage
Hello TI!I'm working on a project that will take the BOOSTXL-DRV8301 and beefing up the circuitry to handle higher currents. 55A will be the max and we've elected to use the Vishay SUM110N06-3m9H that...
View ArticleDo I need other firmware if change pre-driver from DRV8301 to DRV8303
Hi to all,For now, we use DRV8301+F28027 EVM to evaluate the motor function and it is goes well.Consider to the board size, we will change the pre-driver from DRV8301 to DRV8303 for our first working...
View ArticleHow to determine the value of shunt in DRV8305
Dear all,Could you show me how to determine the value of shunt (resistor) with DRV8305?In my plan, 40A current will be loaded in shunt which is connected with SN and SP in DRV8305.I couldn't understand...
View ArticleMatrix Converter Modulation
Hi I am trying to find a sample code that generates the gate signals for a 9 switches matrix converter. I am using TMS320F28335 Development kit! if any one can help me with that ill really appreciate it.
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