A picture story:
I have completed the building of my first motor driver board. This is a prototype so it has been constructed on a perf board protyping board that I bought at Fry's electronics. This is not meant to be a flying prototype just a test bed to get a BLDC motor spinning, and correctly controlled from the xMOS startKIT in a safe environment. Most of this will be explained by pictures and captions, because my last two posts were a bunch of text. The explanation of the component selection was done in this post, and the theory behind all of it was done in this post. Please read those at your leisure and interest.
First off I wanted to point out that this is the first time that I have used a perf board for prototyping. In the past I have always used a breadboard. This is largely due to the fact that any of my previous prototyped circuits did not involve as high of a current as the motor driver circuit will be drawing. I did not want to risk melting breadboard connections and blowing something up. So in short don't laugh at my first attempt at a perf board setup haha, but suggestions are welcome. I watched this short video in order to learn some standard techniques first and then gave it a shot myself.
As you can see above, I have the gate driver circuit to the left and the MOSFET circuit to the right. Each phase is identical to eachother. For the resistors on the FET's; the 47 ohm is on the left and the 470kOhm is on the right both attached to the gate pin.
|Jumper connections added, power input in the top left, motor phase outputs on the right.|
|The bottom side of the perf board. Power, Ground, Power along the top. The two power pins will allow seperation of the IC and driver high rails if desired.|
|Left side view, with motor connections shown.|
|Right side view with Power connections off in the distance.|
|Motor connected to the outputs of the motor driver. Motor used male bullet connectors, motor driver used female.|
|Close up 1 of the motor and connections, hall effect wires go off to the right.|
|Close up 2 of the motor and connections, hall effect wires go off to the right|
|The xMOS startKIT dev board.|
I will keep you guys posted and once again thanks for reading!