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RE: Smallest board space solution for sub-5 watt brushless motor position...
Hi Darrin,I have been reading some INSTASPIN labs and found a solution section for MOTION. Now, the example projects found for these solutions, which can be seen in the images attached, are all for...
View ArticleRE: DRV8432: Peak current of DRV8432 and DRV8412
Hi ttd, The value depends on many factors, such as heat sink size, the ambient temperature, duty cycle, PWM switching frequency, and decay mode. What current is desired and for how long? Under what...
View ArticleDRV8432: Peak current of DRV8432 and DRV8412
Part Number: DRV8432Dear Technical Support Team,Could you tell me the peak current condition on datasheet?for example, DRV8432(8412) can drive peak current under 1msec or Duty is under 50% and so...
View ArticleRE: DRV8800: Query regarding Phase and NSleep
Hi Harmeet, The value depends on many factors, such as the size of the thermal plane, package used, system voltage, duty cycle, PWM switching frequency, and decay mode. What are the conditions? VM? How...
View ArticleDRV8800: Query regarding Phase and NSleep
Part Number: DRV8800One of my customers wants to interface DRV8800 with microcontroller.There are few queries for port pins which are coming from micro to Driver IC (Phase and nSleep in our case).What...
View ArticleRE: BOOST-DRV8711: SPI MISO Not Functioning
Hi Rhett, Please separate the MISO signal from the mcu. Add an external pullup and monitor it. If you are having problems with two boosterpacks, the connection to from SDO to the mcu GPIO is suspect.
View ArticleRE: BEST SOLUTION FOR A 48V/200W BLDC MOTOR FOR HANDY TOOL
Hi Fabio, Either board works. I would suggest the www.ti.com/.../DRV8301-HC-C2-KIT, although the other two would also work. Care should be taken when stopping a motor. TVS diodes, large bulk...
View ArticleBEST SOLUTION FOR A 48V/200W BLDC MOTOR FOR HANDY TOOL
Hallo,we are developing a new tool based on a 48V brushless motor.This tool is a rotorbital sander, and since this is a palm-style tool, we need to reduce the PCB dimensions as much as possible.We...
View ArticleRE: DRV8301: SPI Communications Problems
Hi Tom, Do you have access to any version of a DRV8301 EVM (Boosterpack or regular EVM)? If you do, please look for differences. If that does not work, you can upload a copy of the schematic. Ideally...
View ArticleRE: DRV10983EVM: GUI lock-up
The attached dialog annoucement was not shown correctly in my post. Repeated below. An update to the device is required. Please make sure the power supply is greater than 22V and press OK.
View ArticleRE: DRV10983: Closed Loop Deceleration Problem
Hi Gunay, Disable AVS or configure Kt value accurately because the speed commanded is calculated using configured Kt and Rm value. Regards, Krushal
View ArticleDRV10983: Closed Loop Deceleration Problem
Part Number: DRV10983Hello all,I am using DRV10983 to drive Maxon EC45 50W flat motor. When I give the analog input, it accelerates upto a point slowly; then it speeds up very fast to another speed...
View ArticleRE: DRV10983EVM: GUI lock-up
Hi Anders, Some of the original EVMs had incorrect register settings in the device. The update corrects this. The GUI may not advance until the voltage at the device is greater than 22V. Would you...
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DRV10983EVM: GUI lock-up
Part Number: DRV10983EVMOut of the BOX everything run OK.Following the steps in the SLOU395C with a new motor up until chapter 4.6 everything worked fine.At point 1 I got an error message....
View ArticleRE: DRV8701 new design
Can CONTROL INPUTS (PH, EN, IN1, IN2, nSLEEP) be driven by 5V source? I think it can be from section 6.5 of the datasheet but I just want to confirm so we don't need 3.3V to 5V translator. Khoi
View ArticleRE: About the spindle output(U/V/W) in TPIC2060
Hello James, Thank you for reply. - Is your customer happy with the workaround of setting REG0x6B to 0x04 to eliminate this phenomenon?(Ans.)They confirmed this phenomenon(sine curve) on U/V/W signal....
View ArticleRE: DRV8332: Driver "chopping" instead of generating OC or OTE
Hi Rick,Thanks for a fast answer. The /OTW might be difficult to analyse in the circuit, but I agree it can clarify things up, so I'll do.VDD and all GVDD_X pins are tied together, and connected to +12...
View ArticleRE: DRV8701 new design
Hi Khoi,Yes, the control inputs can be driven by 5V source.Section 6.3 of the datasheet confirms the control inputs can be driven by 5V.The Recommended Operating Conditions of the Logic level inputs is...
View ArticleDRV8701 new design
I'm designing with DRV8701. From the DRV8701EVM5.9 to 45V operating voltage range15A continuous / 20A peak H-bridge output currentDrives a single bidirectional brushed DC motorCan we increase the...
View ArticleRE: DRV8332: Driver "chopping" instead of generating OC or OTE
Hi Ignacio, The impedance of the /FAULT pin can be calculated as Vol/Io. From the datasheet max Vol/Io = 0.4V/0.004mA = 100Ohms.
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