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about DRV8848 brake
nSLEEP is logic high voltageAIN1 is logic high voltageAIN2 is logic low voltage VM is 12V power AOUT1 test result 12VAOUT2 test result GND The motor is normal operation ThenI want the motor Brake AIN1...
View ArticleDRV8870EVK issue
Hello.On the first test of the DRV8870 Eval Board I noticed acoustic noise on the motor.After measuring the 555 output, it is around 2.8KHz, but as stated on the DRV8870EVK manual, it would be aprox...
View ArticleProblem with DRV8332
Sir, I am using DRV8332 in my project to control Maxon BLDC motors.I have prepared a hand soldered circuit as mentioned in the datasheet. But the OTW, FAULT,Vref pins are coming low.when no pull up...
View ArticleDriver selection for BLDC application
I have maxon flat motor EC90 (Part number: 244879) BLDC being used for a AUV application. It runs at 48V, with a nominal speed = 1610RPM, nominal torque = 533mNm, and nominal current = 2.27V. It is a...
View ArticleDRV5013FA status...
Dear Sirs,Please help to update the DRV5013 FA version status.My customer needs higher sensitivity DRV5013 and found DRV5013FA is OK for them.However, FA version is in preview now.They needs its status...
View ArticleDRV8308 Mysterious Short
Hi,I am using the DRV8308 to control some sensored brushless DC motors. I have followed the application schematic in the datasheet closely. Here is my schematic from my board.(Please visit the site...
View ArticleProblem with (DRV8701 + MOSFET) connected to a DC motor load
Dear TI team,I have used your DRV8701E IC to build my DC motor(18V~40V, 10A, 820N) Full bridge control using NXP MOSFET (PSMN014-40YS) .I have used your DRV8701 evaluation board as circuit reference...
View ArticleDRV8711EVM Schematic
Please could you advise the drawing package used to draw the schematics for the EVM, is it Eagle?Thanks
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driver a 5 coil micromotor ( that have coil in a delta mode )
Hello.for my nephew who has a micro drone quad,as well as repair she asked me to improve it.The average life of a brush motor is really short.He does not want another toy, he wants to improve what he...
View ArticleInstaSPINT Motor Control Solutions for BLDC Halbach electric motor - Service...
Dear Ladies and Gentleman,The electric motor, a customer gave us, looks like the motor in the patent US 7,598,646 B2 (www.google.ch/.../US7598646)and comprises the following parts:a) a first...
View ArticleDRV8301 Fault
We are working with the DRV8301 eval board which is part of the Motor Drive Booster Pack. We are interfacing this board with an STM controller eval board that we are using in our project. We are facing...
View ArticleWSON-8 conversion board?
I want to evaluate the DRV8837, but the WSON-8 is so small.TIs development board has its own uC and software, I need to use mine.Does anyone make a WSON-8 to DIP board (with suggestions on how to put...
View ArticleDRV8881E / nFAULT
Hi Team,I understood nFAULT pin will be driven low when VM pin falls below the undervoltage lockout threshold voltage(6.4V max).If VM gradually falls continuously less than 6.4V, when does nFault go to...
View Articlemotor driver for universal motor
Hi,Customer would like to use universal motor with DC310V, 500W, 5kg torque, 30rpm~10,000rpm.Do we have proper driver solution? FET as well.Thanks.
View ArticleDRV8412 Sense resistor current
Hello,I have following two question on DRV8412DDW Evaluation board.(1) I am driving DC brushed motor in forward direction -I am seeing PWM signal on PWMA and nothing on PWMB as expected. Why do i...
View ArticleDRV3201EVM GUI applications source code
Hi everbody,I have DRV3201EVM module and DRV8301-LS12-KIT. I am using Hercules TMS570LS12x/11x controlCARD for motor control applications and using TMS570ls1227_sensored_speed_smo solution with...
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DVR8305 Dead-time is not stable
hello,My customer used the DRV8305 to develop the motor control board, now we met the issue is dead-time is not stable of DRV8305, The dead-time configured as 0.5us. but some time, there is no...
View ArticleLooking for a quadrature input position controller.
I am driving a piezo motor. Its’ driver uses step and direction inputs. The motor has a quadrature encoder that provides position feedback and one index signal provides the home sense position. I am...
View ArticleMigrating a bldc motor code from C2000 TMS320F28027 to TIVAC
i write a code of bldc motor using (TMS320F28027) with BOOStXL-DRV8301 REVBthe pwm setting function was written as following void HAL_setupPwms(HAL_Handle handle,uint16_t halfPeriod_cycles){ HAL_Obj...
View ArticleDRV8701E Question
Hi,FAULT:I am currently using DRV8701E in my application. I found that the FAULT line asserted when I first enabling the driver through SLEEP pin. Same thing happen when the driver is disabled. Is this...
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