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  • DRV8251AEVM: DRV8251A

    ming liu
    ming liu
    Part Number: DRV8251AEVM Tool/software: As dispicted in DRV8251AEVM user guide, Pot1 controls the PWM signal that goes into IN1, by turning it clockwise you increase the duty cycle from 0% to 100%. But when I use this evaluation board to drive a motor…
    • over 1 year ago
    • Motor drivers
    • Motor drivers forum
  • DRV8251AEVM: BDC motor shaking when driven with DRV8251A

    Maurits Oldenhof
    Maurits Oldenhof
    Part Number: DRV8251AEVM Other Parts Discussed in Thread: DRV8251A Hi, We are testing the DRV8251A on a brushed DC motor (24V 4A). The development board has two potentiometer to set the motor speed in both directions. Our problem is; the motor is turning…
    • over 1 year ago
    • Motor drivers
    • Motor drivers forum
  • DRV8251AEVM: DRV8251AEVM

    john filipetti
    john filipetti
    Part Number: DRV8251AEVM Other Parts Discussed in Thread: MSP430F2618 , MSP430FR5969 , , MSP430FR2100 , MSP430F2617 I am trying to program the DRV eval board using a MSP430FR5969 LaunchPad and CCS with the downloaded firmware for the DRV eval board (slvc831…
    • over 2 years ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • DRV8251AEVM: DRV8251AEVM basic questions

    T NF
    T NF
    Resolved
    Part Number: DRV8251AEVM Other Parts Discussed in Thread: DRV8251A Can you provide the following information for DRV8251AEVM 1) Schematic 2) Calculation for VSense. It is not clear what Rsense is on the eval board, 3) Itrip value for the board as shi…
    • Resolved
    • over 2 years ago
    • Motor drivers
    • Motor drivers forum
  • RE: DRV8251: Retry While Using the Demo Board

    David Medis
    David Medis
    Hello Saad, It sounds like you have the DRV8251EVM because of its 150m Ω sense resistor (R7), the DRV8251AEVM has a 0Ω sense resistor (R7). Current regulation on the DRV8251 should have a latched disabled response for overcurrent protection,…
    • 8 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • RE: DRV8251A: FMEA for DRV8251A

    David Medis
    David Medis
    Resolved
    Hi Tomek, We don't have a specific FMEA for this device. However, my suggestion would be to order the DRV8215AEVM and test for yourself. DRV8251AEVM Evaluation board | TI.com Best, David
    • over 1 year ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • RE: DRV8251A: Operation with non-constant supply voltage

    Jacob Thompson
    Jacob Thompson
    Resolved
    Hey David (Thomas), apologies for the delay. Thank you for the detailed testing and writeup! Very thorough. I agree with you that it will work perfectly. Regarding the slight increase in RDSon during the tests - our datasheets have plots of RDSon vs Voltage…
    • 8 months ago
    • Motor drivers
    • Motor drivers forum
  • RE: DRV8251A: Interfacing DRV8251A with constant current TPS922053

    David Medis
    David Medis
    Hi Jagdish, From a design perspective the schematic seems ok. As long as the DRV8251A is operated within recommended specifications, it will be fine. As I mentioned earlier I would suggest simulating or testing the layout first with the DRV8251AEVM to…
    • over 1 year ago
    • Motor drivers
    • Motor drivers forum
  • RE: DRV104: Valve Driver unexpected results

    Jacob Thompson
    Jacob Thompson
    Hey Todd, Apologies busy day, haven't had time to dig into the DRV104 datasheet for this yet. So for a 24V / 2A peak / 1A continuous motor driver, I would recommend DRV8231A . It's a 35-V, 3.7-A H-bridge motor driver with integrated current regulation…
    • over 1 year ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • RE: DRV8231A: Solenoid and Motors

    Jacob Thompson
    Jacob Thompson
    Resolved
    Dharmesh Joshi said: We aim to place about 8 of them on a different PCB design, so ideally, we would like to control them all with a common Signal + Enb for each device. Hmmm potentially you could use a digital signal for VREF and set it LOW/HIGH (0V …
    • 10 months ago
    • Motor drivers
    • Motor drivers forum
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