# Need Help in Transformers and Complex Circuit handling

1. Oct 18, 2011

### depthfish

Hi, I'm new here, but to the point!

I'm currently designing a system that I'm utilizing a series of 6 volt microchips to control. I have about 40 microchips at my disposal. that are C programmable , have a very good memory and all, multiple I/Os. And they have timers and oscillator systems and all that.

The problems are as follows though:

1.) I need to, in order to control all my actuators to achieve the necessary mechanical strength. Supply the overall machine with a 144-180 Voltage. Battery wise what I have at my disposal at minimum is multiple 9 volts. at max a 14 volt bigger battery.

My solution to this was to create a 1->10 transformer voltage boost. so that the 2 9 volts in series would give me 18 volts that when put through 1->10 would give me 180 volts on the other end.

My problems though with this are these:

-I haven't dealt with small transformers before, and have never had to build one from scratch. Do I really just wind a coil 10 times per unit of length on 1 component, and 100 times on another close by component, creating 2 inductors so that 1 inductor sends its magnetic field over the other? And or, how would I go about building a small version of this kind of transformer where the ratio would be x input voltage -> 10x output voltage.

-I know that I need an AC current when dealing with the voltage conversion. And I figured I may find a way to induce an oscillating frequency to turn my Dc->AC through one of the chips. And then through another chip remove it with an inverse frequency. But the problem with this is, how do I handle that with such high voltages? wouldn't that just end up frying my chips seeing as they're 6 volt maximum? and there's bound to be problems due to the fact that they're digital output. So it's a design problem here of creating a way to use the chips to control those high voltages and not causing an interruption in current.

*added* MY current solution, in thesis for handling the AC-DC conversion problem is to just combine currents. One with a high voltage and DC, with a low voltage AC. And then once there's the high Voltage AC, combine it with an inverse waveform, equal amplitude, low voltage current somehow to cancel out the waveform. I don't know if this would work again, lack of experience in using transformers with microchips.

So yeah. I just wanted to get some advice and ideas on how to handle these two problems. As I'm new to dealing with a high voltage in a digital circuit system due to all the actuators I'm using.

Thanks for your time and help!

2. Oct 19, 2011

### depthfish

Found solutions to both problems for the most part.

I'm missing something else though That will be reserved for another thread.