Is it possible to connect the OUT1 pin of the TPS2054B back into IN2; such that EN3,EN4 control OUT3,OUT4 normally and EN1 would switch off all of OUT1, OUT3-4 when negated?
Or must an equal supply voltage be applied to IN1 and IN2 at all times, so that you couldn't have IN1=+5V and IN2=0V?
