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Showing 138 results View by: Thread Post Sort by
  • DRV8702-Q1: How to control the direction and speed of motor with PWM ?

    Zhongyi HE
    Zhongyi HE
    TI Thinks Resolved
    Part Number: DRV8702-Q1 Tool/software: 你好 ,我正在考虑使用 DRV8702-Q1 做一个电机控制器的驱动,请问如何控制电机的方向和速度, 在规格书第 Page 24 中介绍 PWM 控制接口, IN1=1 是否意味着可以输入 PWM 占空比为 100% ?而 IN1=0 , 则意味 PWM 为 0% ? 比如 IN2 端口输入 PWM duty 为 0% (相当于低电平 0 ),此时 IN1 端口输入 PWM ( duty 为 0%--100% 变化…
    • 2 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • DRV8702-Q1:How to control the direction and speed of motor with PWM ?

    Zhongyi HE
    Zhongyi HE
    Resolved
    Other Parts Discussed in Thread: DRV8702-Q1 Tool/software: 你好 ,我正在考虑使用 DRV8702-Q1 做一个电机控制器的驱动,请问如何控制电机的方向和速度, 在规格书第 Page 24 中介绍 PWM 控制接口, IN1=1 是否意味着可以输入 PWM 占空比为 100% ?而 IN1=0 , 则意味 PWM 为 0% ? 比如 IN2 端口输入 PWM duty 为 0% (相当于低电平 0 ),此时 IN1 端口输入 PWM…
    • Resolved
    • 2 months ago
    • Motor drivers
    • Motor drivers forum
  • DRV8702-Q1: Current pulled low without fault

    Frank QIN
    Frank QIN
    TI Thinks Resolved
    Part Number: DRV8702-Q1 Tool/software: Hi Team, When we are having test with DRV8702-Q1 and MOSFETs, the output current can be pulled low by some reason. Could you please share some insight on this? We found this issue both with eLoad and real power…
    • 7 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • DRV8702-Q1: DRV8702-Q1 availability

    pie
    pie
    Resolved
    Part Number: DRV8702-Q1 Hello; Q3 2021 we replaced the DRV8702-Q1 in our design by an other motor driver because of availability. Because of EMC reasons we want to change it back. At TI online shop the maximum order quantity of the DRV8702-Q1 is…
    • Resolved
    • over 1 year ago
    • Motor drivers
    • Motor drivers forum
  • DRV8702-Q1: leave output floating

    Daniel Wang (auto)
    Daniel Wang (auto)
    Part Number: DRV8702-Q1 Tool/software: Hello team, DRV8702 After the chip is powered on, in order to ensure that the VCP output is up to 23V high level voltage, does it only need nsleep to pull up? Is there a problem if the DRV8702 output is not driving…
    • 9 months ago
    • Motor drivers
    • Motor drivers forum
  • DRV8702-Q1: What happens when Vdrain pin 27 is left floating?

    Daniel Zinner
    Daniel Zinner
    TI Thinks Resolved
    Part Number: DRV8702-Q1 Tool/software: Hello, Due to a manufacturing error a zero ohm Resistor was left out during production which connects the Drain pin of the N-Channel mosfets of the H-Bridge to pin 27 on the DRV8702-Q1. We didn't realize that it…
    • 7 months ago
    • Motor drivers
    • Motor drivers forum
  • DRV8702-Q1: Abnormal current trip before OCP threshold

    Amirul Kamaruzaman
    Amirul Kamaruzaman
    TI Thinks Resolved
    Part Number: DRV8702-Q1 Tool/software: Hi, I have recently received my prototype board for the H-bridge DC motor driver circuit using the DRV8702-Q1. Schematic can be referred in this thread: DRV8701EVM: Queries on the output current limit …
    • 9 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • DRV8702-Q1: Current Chop and Motor Voltage Shutdown

    Amirul Kamaruzaman
    Amirul Kamaruzaman
    Resolved
    Part Number: DRV8702-Q1 Other Parts Discussed in Thread: DRV8703-Q1 Tool/software: Hi E2E mods, Provided below is the motor driver schematic for your reference There are 2 questions I would like to gain clarification: 1) After few testing…
    • Resolved
    • 8 months ago
    • Motor drivers
    • Motor drivers forum
  • DRV8702-Q1: duty cycle between 90% and 100%

    Josef Warta
    Josef Warta
    TI Thinks Resolved
    Part Number: DRV8702-Q1 Hello Team, what would be the resolution of the PWM between 90% and 100%? Is there a restriction on minium off-time in our gate drivers? We know that some architecture when achieving 90% duty cycle they skip directly to 100…
    • over 1 year ago
    • Motor drivers
    • Motor drivers forum
  • DRV8702-Q1: Is it possible to leave the low-side outputs unconnected in these drivers? Use only the high-side outputs to drive two motors, leaving the low-side outputs floating.

    SAJAN T ABRAHAM
    SAJAN T ABRAHAM
    TI Thinks Resolved
    Part Number: DRV8702-Q1 Other Parts Discussed in Thread: DRV8106-Q1 Tool/software: I need your support in selecting a gate driver We have an application where: One motor needs to be controlled using a high-side switch , A second motor can be controlled…
    • 3 months ago
    • Motor drivers
    • Motor drivers forum
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