MOSFET current regulator for PI

[daverave]

Advantages:

• rise time is faster than using a series resistor,
• flat top-off to eliminate eddies induced by the ramp (more target signal),
• precise control of the coil current (no change when switching coils) and of power consumption.

Hi Teleno....This looks like a very good circuit and i may try this once i can order the parts...thanks for posting this