> N-Fets have lower resistance, and therefor create less heat.

I know, but for the 24V/1A I am aiming at an N-bridge is a bit overkill.

> There are special drivers to use them on the "highside".

I know, I sell one.

> (I'm trying to build a 24V/90A motor driver right now)

Now that is something *much* bigger than I am trying to do.

> As I think you've no 
> ar simple feedback (maybe you could use generated EMK) on/off is good 
> enough and consumes the least power.

OK, it is also easier for me.

A human with (1-axis) joystick will be the input, he/she will see the
effec so the loop is closed.

> Think of a servo: it has almost full torque at zero speed, because it 
> uses 50% forward / 50% backward.

It does? I have not found any references to this.

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 

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