Part Number:DRV110
Driving of solenoid is one of the requirement of our project. Earlier this was driven through linear circuitry where power dissipation was more. Hence to reduce the power we went ahead designing with DRV110 and the same is realised as part of our PCB along with linear drive circuitry as redundant.
One of the problem which I am facing is that the keep voltage (100mV) is not discharging to zero after the chip is disabled (using enable pin). I think because of this, pull-in current is not working for every enable of the chip whereas hold-in is fine always.
Request your inputs in this regard.
I have attached the details of our requirement, solenoid specification and the schematics (most of the design is from your evaluation board) for your reference.(Please visit the site to view this file)