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Solenoid Driver Using PWM

Question asked by dhruv_electro on Jan 2, 2014
Latest reply on Jan 2, 2014 by OliverSedlacek

Hi there,


We wanted to design a solenoid driver using MCU generated PWM and wanted to measure the current through the coil and generate under current over current errors and shorted to GND errors. Please help us with get started here, we have two types of solenoids which we have tested with constant current supply, at 24VDC, first one started to operated at 350mA and at 450mA it is fully open, and second one started to open at 200mA and fully open at 350mA. So we can have a driver which can provide current up to 500mA.