Proportional Solenoid Valve Driver. So, a proportional solenoid valve is used to regulate flow rate by varying the position of the valve plunger. ... The circuit can drive solenoids ranging from 6VDC ...

This 6V solenoid has a coil resistance close to 4.1Ω (at 25°C) when measured with my trusty digital multimeter, and as noticed it draws about 1.5A of current from a 6VDC power source, but that drops ...