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What BLDC motor drive should I use?
Attached is a curve of the 3 phase BLDC motor I am trying to drive. I would like to have a supply voltage, to the driver, of 115vAC and the ability to control the speed/power supplied to the motor....
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DRV8301 vs DRV8302 operating voltage
Hello,According to datasheet DRV8301 and DRV8302 are almost the same device except the programing method (8301 is spi , 8302 hardware programable).But their operating voltages are not same . DRV8301...
View ArticleTrying to break the DRV8850
I am trying to break the DRV8850. I have tried to do a reverse while the motor is still free spinning but this has a tendency to pop my DC to DC converter that is supplying it. What I mean is it...
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DRV 8313 evm issue in uploading bootloader
Sir ,I tried the motor to run in standalone mode, but getting the error(below is the screen shot). PLS help me out.
View ArticleAccess missing ADCs on DRV8301x-HC-C2- kit
I have to implement torque control using DRV 8301 HC-2 kit. However, from the schematics (1222.DRV830x-HC-C2-KIT_HWGuide), it seems that ADC A0, A4, A6 and B6 channels are not accessible. Are there...
View ArticleDual DRV8835 Control Interface
Hello Team,I've got a motor driver system level question for you. I'm looking at using 2 DRV8835s to drive 4 Brushed DC motors using the Phase/Enable control mode. That's the easy part.I want to use an...
View Articledrv8302
Can i use DRV8302 to drive 3 phase H-bridge in sign-magnitude drive mode (toggle both high side and low side MOSFETs in PWM signal)??
View ArticleDRV8308 - VREG not coming up
Part Number: DRV8308Application: Sensored BLDC driver for consumer electronic productQuestion type: Development and troubleshootingDescription of the problem: Hi, I was using DRV8307 to run my BLDC, it...
View ArticleDRV8711- Relation between sine current wave and PWM frequency and Vm
Dear friendsI put a 8 pin deep micro switch to change tha value of torque in DRV8711. By changing the Torque value, fortunately I succeed to obtain the reasonable the sine cuurent graph. But when I...
View ArticleBOOST-DRV8711 dimensions and mounting provisions
Can you please provide the dimensions and any available mounting provisions for the BOOST-DRV8711?
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Stepper load detection via Back-EMF with the DRV8711
Matt Hein did a couple of blog posts about using BEMF as a load sensing tool, but they were never completed. In my own testing, I've seen some traces that make me think it's possible. Attached is a...
View ArticleTIDA-00472 Sensor less motor driver
Hallo i am Torge, i would like to build a application for a brush less motor with around 100 watt.The TIDA-00472 is already very close to the application with i like to get running.There are just some...
View Articledrv8432 problems
Hi team,The chip DRV8432 has internal current limit says 15A. And the chip also can configure the current limit threshold by resistor, but the current only can be 12A as the datasheet says.Can my...
View ArticleAbout the DRV10983
HiI have a question about the DRV10983.1,120° and 180° is switched automatically by the conditions?(Customer want to use always 180°)Other competitor device is automatically changes 120 and...
View ArticleDRV10983 about the using I2C
HiI have a question of the DRV109831,Although the type of speed controller is built in.How many second the PID updata time?2,How many seconds need the update speed controll cycle of the using...
View ArticleFAN Controller IC recommendation
Team,I have 2 heatsinks with integrated blowers on the board and want to control the fans with the simplest fan controller.It should:1) run completely on its own (also using fan tacho)2) have the...
View ArticleControlling a bldc motor of 24 volts. Which driver is the ideal?
Hello, I have a bldc motor and I want to build the driver for the control because I was investigating and some driver are expensive.My motor is the...
View ArticleHow to select an evaluation board for BLDC Motor with 48V and 20A maximum...
Hii I'm using a hub motor with 48V and 20A maximum current. I want an evaluation board and also what driver will work for that current and voltage. TIA
View ArticleDRV8301 questions soldering temperature
Hi, I am building a custom board using DRV8301. I have build one last year and made it work. However, it suddenly broke. The 3.3 buck converter module is working but the FETs are not switching. My...
View ArticleTIDA-00771 BLDC drive firmware questions
Hi, I'm reading the firmware of TIDA00771.I found that the SPI is implemented with four IO ports, not the SPI module in MSP430G2553, why?Moreover, the readregister function is as below:uint16_t...
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