Hello everyone!
A new user here.
Thank you for sharing and helping!
Well, the thing is I am designing a DC motor (12V-2A) control but with a special characteristic, this motor has one terminal always fixed to ground so a full bridge is not possible.
This motor has to turn only in one direction but for inertia reasons I must design a braking system, and in this case I would use the "plug" method, which I think is the fastest one.
To use the "plug" brake I must reverse the voltage but I can't use any batteries or any external source. If I need a source it must be taken from the motor main source.
So I thought I could use an inverting switching regulator (5A) to obtain a negative voltage so I use three MOSFET for operation:
1- Connects the free terminal of the motor to the main source (12V)
2- Connects the free terminal of the motor to the negative source (-6V)
3- Connects the free terminal of the motor to ground so I can sense back EMF to prevent reversing the movement.
What do you think about that system?
What other options do I have?
Well thank you for your help!
Best regards,
libertador_23
A new user here.
Thank you for sharing and helping!
Well, the thing is I am designing a DC motor (12V-2A) control but with a special characteristic, this motor has one terminal always fixed to ground so a full bridge is not possible.
This motor has to turn only in one direction but for inertia reasons I must design a braking system, and in this case I would use the "plug" method, which I think is the fastest one.
To use the "plug" brake I must reverse the voltage but I can't use any batteries or any external source. If I need a source it must be taken from the motor main source.
So I thought I could use an inverting switching regulator (5A) to obtain a negative voltage so I use three MOSFET for operation:
1- Connects the free terminal of the motor to the main source (12V)
2- Connects the free terminal of the motor to the negative source (-6V)
3- Connects the free terminal of the motor to ground so I can sense back EMF to prevent reversing the movement.
What do you think about that system?
What other options do I have?
Well thank you for your help!
Best regards,
libertador_23