The current sensor has an output for providing an over current signal to an input of the controller during a time that the bilateral converter is sinking current from the load and also during a time when the bilateral converter is sourcing {HEAD ~ current} to {TAIL ~ the load} 
to
The current sensor has an output for providing an over current signal to an input of the controller during a time that the bilateral converter is sinking current from the load and also during a time when the bilateral converter is sourcing { HEAD ~ current } to { TAIL ~ the load }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL