Flexible and Low Power Driving of Solenoid Coils 14.04.2014
In many microcontroller applications inductive loads, such as monostable or bistable relays, valves, or lifting solenoids must be operated from supply voltages that are above the output level. Specifically in industrial applications they can often be 12 to 24 V, which have to be controlled e.g. with a 3.3 V logic signal [1]. The control should be as flexible and energy-saving as possible and should not impair the microcontroller’s operation through feedback disturbances during the switching of inductive loads.

This White Paper shows which elements should be considered for the design and how space, power loss and logistics costs can be reduced through an intelligent control.

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