| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a solenoid valve driving device for a fuel injection control apparatus which can inhibit heat generation at a switch means controlled during constant-current control. <P>SOLUTION: A control circuit 21 controls a switch 23 to switch to cause switching operation rate to be Da and a switch 22a or switch 22b to be ON, and controls the switch 22a or the switch 22b to switch to cause a switching operation rate to be Db and the switch 23 to be ON during constant-current control to solenoid valves 11, 12. <P>COPYRIGHT: (C)2013,JPO&INPIT |
