Multiple motor part
Need to drive multiple BLDC motor and looking for an IC to drive at least 2 motor. A 2 or more DRV 8312 architecture in one package will be ideal.Does TI has a part solution fro this?ThanksZack
View ArticleDRV8412- 2 Brushed DC Motor and Stepper Motor
Hello,I have DRV8412-C2-KIT. I am also using and like to build my project on 2XDC_Motor example and stepper example. DRV8412-C2-Kit allows me to drive 2 DC brushed motor OR one Stepper motor. I need to...
View ArticleThe DRV8844 high logic-level input is 5.25V?
The DRV8844 data sheet lists the logic-level input high as minimum 2.2V and maximum 5.25V. How can I be sure that I can switch this chip using a 3.3V microcontroller? Please advise.
View ArticleDRV8850 LDO resistor divider current
Hi,I am designing a circuit using the DRV8850, and I would like to use the LDO to power the MCU in my circuit.I am happy with the 40uA quiescent current in the regulator, but I would also like to...
View ArticleDRV10983 motor control algorithm
Hi TI Experts,Our customer is currently using TMS320Fxx (C2000) for motor control.Now they are planning more another platform using DRV10983.For the TMS320Fxx, the motor control feature the...
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DRV8824 EVM board Rsense Voltage abnormal
Dear Sirs:In order to check if Current over criterion,We want to monitor the voltage of RsenseUsing 8824 EVM to monitor ISENA and ISENBWe expect the signal is sine waveBut the signal look...
View ArticleDRV8837 / Input logic low current
Hi,The input logic low current is defined ±5uA(maz) on the datasheet.However this value is too large for my customer.(My customer is saying that this value is too larger than sleep current)Is there any...
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DRV8412 strange behaviour
Hello,Could anyone explain me this bdrv8412 behaviour?My DRV is in mode (M3 = 0, M2 = 1, M1 = 1) "Dual full bridges, one PWM input each full bridge with complementary PWM on second half bridge"My...
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DRV8307: Issues driving a BLDC motor
Hi there,I'm using the DRV8307 to drive a 24V rated BLDC motor. I was able to drive it using the DRV8307EVM but i'm having some issues when trying to drive the same motor on my board.Below is the...
View ArticleApply PWM input to DRV8844 enable and input pins simultaneously?
I am using the DRV8844 to drive a high frequency (ultrasonic) shaker. I need fast decay because, driving a coil, this chip will be switched at close to it's data sheet limit. Section 7.3.3 Table 2...
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Problem connection with DRV8848EVM and GUI software
Hi everyone, just got the DRV8848EVM REV A and trying to get it brought up using the PC software.USB driver is installed and device is in device manager with an assiged COM port.GUI composer looks to...
View ArticleCMOS Bidirectional H-bridge DC motor drivers
Hi,Can someone please suggest me CMOS Bidirectional H-bridge DC motor drivers with 12V 500mA drive capability. I have considered SN754410& L298 drivers but both of them need 5V for VCC1 pins - but...
View ArticleDRV8833C HTSSOP .bxl File
Hi,I'm looking for the .bxl file with the correct layout information for the HTSSOP version of the DRV8833C. The version posted on the TI website actually contains the layout information for the...
View ArticlePer Unit defination
Hello,I am not sure what per unit means. In 2XDCMotor-setting.h file it defines Base_Voltage =66.32 and Base_Current=7.2Amp. I am driving DC Brushed motor rated @24VDC and 0.35Amp.If I set Vref1=0.5 –...
View ArticleAbout Safety standard for DRV591
Hello, To whom it may concern. Our customer is considering to use DRV591 that is for Laser driver. Does the DRV591 comply with IEC60825-1 and FDA [21CFR Part 1040.10]? Best regards,
View ArticleTI sells faulty kits ... Purchased DRV8412-c2-kit does not work
I resolved issues with no driver on the USB stick. I found conflicting documentation for the control board SW3 switch setting is it up or down. What does it do?Neither the the v2 nor v9 gui will make...
View ArticleBoostXL-DRV8301 Current Sensing direction
I would like some help understanding the parameters of the BoostXL-DRV8301 .which a BLDC motor driver(three phase)I want to sense the direction of the current (in or out).what should i do , i can only...
View ArticleHow to drive STEP Motor 5V Unipolar 5 wires
Hi,I need to drive a cheap step motor, it has 5 wires and tipically is drived by a microcontroller.I need a controller/driver that move the step motor by a input pulse and direction.The motor...
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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 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...
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