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DRV8705-Q1: How can we control speed and direction of motor using in H- bridge for PWM mode

Roshan Sawarkar
Prodigy 170 points
Part Number: DRV8705-Q1

How can we control speed and direction of motor using in  H- bridge for PWM mode as PH/En both pin takes input PWM 

which PWM  can control control speed EN or PH pin

  • 0
    TI__Mastermind 37683 points

    Hi,

    If you are using PH/EN control mode, you can vary the duty cycle of the EN pin to control the speed. You can also control the direction by changing the PH pin value. I suggest looking at table 5 of the datasheet to look at the control truth table. 

    If you are using PWM control mode, you can vary the duty cycle of both IN1 and IN2 to control the speed and direction. I suggest looking at table 6 to look at the control truth table.