DRV8803 with PWM input maifunctioning
Hi,I want to drive three proportional solenoids with the PWM input with the driver IC DRV8803, the total load current (Maximum) is 510 mA for all the three solenoids. the pwm input is given from...
View ArticleDRV8308 register setting
Hello, if customer would like to use external clock to change motor speed, how to setting FILK1 / FILK2 / COMPK1 / COMPK2 register? Another, Desired pole frequency means...
View ArticleOpen BOOSTXL-DRV8305EVM HW files in Eagle
Team,I'm using a LAUNCHXL-F28027F with a BOOSTXL-DRV8305EVM and would like to build a custom board that merges the designs using Eagle. I have been able to open the design files for the...
View ArticleDriver and setup for 36V, 5.5A BLDC controlled by arduino
Hi,I'm still very new to working with BLDC motors, but would like to control a 3 phase, 36V, 5.5A peak current motor directly through an Arduino Uno. I'm thinking of using a DRV3801. My current system...
View ArticleFull H-Bridge Driver for LED switch 60VDC at 2A
Hello Team,I am working on a project to drive 2 LED light-sheets with a full H-bridge.I need to switch 60VDC at 2A, switching frequency is 2KHz to 4KHz and minimum pulse width is 2.5us.I am looking...
View ArticleDRV8312 disable function
I'm looking for a way to disable the power stages of the DRV8312 that does not involve the RESET pins.Looking at the block diagram, the part monitors for undervoltage on the gate drivers and the VREG...
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DRV8711 Distorted Current Winding
Does anyone have any idea what would cause the winding current to be distorted in this way. I have tried a few different settings but the distortion stays about the same. I am moving very slowly. The...
View ArticleAppropriate PMSM motor for DRV8312-69M kit
Hello everyone, I am doing a comparative study of the FOC control on BLDC motor and PMSM motor. I have acquired DRV8312-69m kit for that reason (24V, 3.5A..) .The kit features a...
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DRV8835 failure after some time of operation
Hi!First of all I want to admit that I haven't any experience in motor drivers circuts design. I'm using DRV8835 to control 2 brushed DC motors with 1.6A stall current. Motors are used to wirelessly...
View ArticleRV3201-Q1 Influence of CFG1 setting for Boost and Gate Drive (A-50)
Hello, Please answer question from customer. DRV3201-Q1 boost voltage is used for external circuit and boost voltage should be stable while CFG1 setting up of ECU start up.Please advise if write access...
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DRV8308 Lock issue
Hello, Customer use register mode and it can spin the motor and will let speed LOCKn to low. But when use clock mode of drv8308, it can not let LOCKn to low but fCLKIN and FGOUT are most...
View ArticleBOOST-DRV8305EVM
Hi,I just discovered this Motor Driver Forum. Previously I was posting to the Tiva micro controller forum because I am using the EK-TM4C1294XL processor board.I was doing well developing firmware for...
View ArticleDVR8301 SPI NOISE
Hii am using the dvr8301 to drive bldc motor (pwm frequency is 20khz)i think that the spi communication is making the motor little bit more shaky(i am working with very low rpm so i thinks its more...
View ArticleBootstrap and DRV8301 (on DRV8301-69M-KIT)
Hello dear e2e-Community,We are planning a motor control project, and for the first steps, we want to use the DRV8301-69M-KIT, where a DRV8301 is applied as motor driver. Now, one very important...
View ArticleHeat sink used on DRV8432EVM
Is the aluminum extruded heat sink that is used on the DRV8432EVM motor drive evaluation board, p/n "HeatSink_DRV-EVM_35Wx80Lx38T-40P" available for purchase from TI or another heat sink vendor?
View ArticleSurvey TI device to replace Allegro A3985
Hi all,Our customer will use A3985(Allegro motor driver) and customer want TI Replacement information.Can you recommend TI replacement device?Please reply as soon as possible.
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DRV8814 fails when enabled
Hi TI.I have made a prototype board with the DRV8814 with the purpose of driving a high-frequency resistive circuit (a circuit that requires a >80kHz bipolar square wave input, +/-36V, 1.5A). I have...
View ArticleBOOSTXL-DRV8301 output oscillation
Hi motor drivers team,My customer is experiencing buck supply output oscillation above 38V input voltage. Information I have received so far:140mVpp oscillation experienced with original 47uF output...
View ArticleDRV110 hold and peak maximum current settinng
Hi,I want to use DRV110 for the large coil current.The hold and peak current can be limited by an external resistor, is there the upper limit?As long as Rsense value continue to reduce, does it...
View ArticleDRV8301 with PVDD above 60V
Hello,I want to use the DRV8301 with a nominal battery voltage of 55V. The problem is, the motor can also be driven by an external torque which leads to an EMF > 60V. Assuming that the motor...
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