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DRV8301 2 phase drive
Hello,I want to use DRV8301 for TEC drive application. I will use phase A and phase B, but i will not connect mosfets for phase C. When I read datasheet of DRV8701 , I recognized that for unused phases...
View ArticleBoostXL to drive different MOSFETs
I took the BoostXL board and spun the kit motor from the DRV8301-LS31. I then removed the MOSFETs and replaced with wires to my inverter using the same Vishay MOSFETs as the DRV8301-LS1. Motor...
View ArticleDRV10983 Question
Dear Sir,Please let me know, the schedule Q100 cirtification of DRV10983.our customer want to know about it, because they have a plan to use the seat blower of automotive,Their target MP schedule is...
View Articlequestion about drive motor with motorware lab12b
Hello,I have 2 question about using InstaSPIN-MOTION with Sensored Systems.(lab12b)Q1: Does motorware software use either voltage or current feedbak when run in sensored program, or if the...
View ArticleWe purchased motor driver DRV8301-69M Kit. We require more current. Your...
Three Phase BLDC & PMSM Motor Kit with DRV8302 and Piccolo MCU - DRV8302-HC-C2-KIT
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DRV8840 Faults with LC output filters
We are using a DRV8840 in a somewhat non standard fashion.We are driving 3 8.4V Peltier coolers in series (TECs) through an LC filter for smoothing. I've attached the schematic for reference.Near...
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DRV8850EVM w/ Modified Firmware, Question on VPROPI
Attached is a scope plot taken from a DRV8850EVM without any hardware changes. I've modified the firmware to eliminate PWM and change the speed every 400ms. In the scope plot you can see the direction...
View ArticleCan I use DRV10975 or DRV 10983 to drive HDD spindle motor?
HelloI need drive hdd spindle motor at different RPM to test the spindle motor's performance, Can I use DRV10975 or DRV 10983 to drive HDD spindle motor? I find some information in Kerry's blog, he...
View ArticleDRV8843EVM
when connected with the DRV8843EVM, got the message "there is no available comm port on this computer ( allready install the usb drviver ) can you advise how to make the connection ?
View ArticleDRV8850 VPROPI accuracy
Competitor products with scaled current sense output specify the range of current scaling accuracy, but I only see the typical value of 2000 in the DRV8850 datasheet. Can you provide some statistical...
View Articledrv 8301 insta-spin BLDC
i have install ccs. when i try to connect drv8301 to insta-spin BLDC it says no connection. how to solve this problem?
View ArticleDRV8825 Holding Current
Hello,I am using a DRV8825 in my application. Most of the time it works correctly, but occasionally it will loose holding current (at the end of a move). I've scoped the enable line, and it remains...
View ArticleDRV8301 BoostXL Over Current Sensing and Current thru Shunt Resistor
I want to make sure I understand the DRV8301 current sensing features. Is over current determination made as a voltage measurement across each MOSFET and the threshold is set thru SPI? So any of the 6...
View ArticleEC Fan Control
Hello,I have seen there are some motors come as EC Centrifugal fans with internal controls which accept only 0-10V DC / 10V PWM. The motors are having nominal voltages like 12V, 24V, 48V etc. My...
View ArticleDRV8308 motor speed detection
Dear Sir,I am going to use DRV8308 for motor driver controller ,but I am not sure can it be driven up to 500W,moreover, we want to detect motor speed , Does DRV8308 have this function? how to do ?Thanks.
View ArticleDRV8432DKDEVM board input pwm issue
Hi,I am using DRV8432DKDEVM evaluation board with parallel mode (i.e. MODE 3 M3 - 0, M2-1, M1-0)and have interfaced (GND, PWM 01, PWM 02) TMS320F28335 development board for providing PWM pulses.The...
View Articledrv595
Is it possible to connect two synchronized DRV595 devices in parallel (may be after the output filter) to increase the total current. I need 5-6 Amps.
View ArticleHow to mearsure the BEMF voltage of DRV10975
Hi all,we want to know how to measure the BMEF. Because of we need to check the angle of BEMF and phase current to confirm the top efficiency.Do you have any method to know this angle ?
View Articlepackage of DRV10975
Hi Team,I have a question of DRV10975 package. DRV10975 have two W PINs, two V PINs, two U PINs and two VCC PINs. why we need two pins for every port ? could we reduce the PIN number of DRV10975 ?...
View ArticleDRV8848 chopping current
Hi all,Would you mind if we ask about the chopping current of DRV8848? The chopping current is written “500mA” on Table.4 in the datasheet P16 , but it can’t be calculated in equation (2).As the result...
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