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power mosfet

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electricano

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(1)how many speed does a conventional wiper motor have?

(2)i know that the current draw by the motor is high,so i decided to use power mosfet to build a H-bridge and act as a SWITCH to turn on the motor connected to it.how should i do that?

(3)can microcontroller output enough to power up the power mosfet so that it can be used as a switch?
 

crust

Member
electricano said:
(1)how many speed does a conventional wiper motor have?
Usually about 120RPM at the highest speed, most are under 5A @ 12V

electricano said:
(2)i know that the current draw by the motor is high,so i decided to use power mosfet to build a H-bridge and act as a SWITCH to turn on the motor connected to it.how should i do that?

(3)can microcontroller output enough to power up the power mosfet so that it can be used as a switch?
There are many h-bridge circuits on the internet with information as to how to connect them to a microcontroller. I would suggest that you begin with one of these designs. But if you need to reverse the motor, than the h-bridge is the best way to do it.
 
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