Abstract: A charger, in one possible configuration, has an AC/DC converter that converts alternating current power supplied from an external alternating current power supply into direct current power and outputs the direct current power, a DC/DC converter that transforms the direct current power output by the AC/DC converter and supplies the transformed direct current power to a vehicle-mounted battery, and a safety control unit that forcibly stops the DC/DC converter with detection of an occurrence of a fault during charging of the vehicle-mounted battery as a trigger, and subsequently causes the AC/DC converter to stop normally.

Abstract: First and second detectors and first and second forced stop circuits are included in a charger including an AC/DC converter having a PFC circuit that converts AC power supplied from an external AC power supply into DC power and a smoothing capacitor, and a DC/DC converter that transforms power output by the AC/DC converter and supplies the transformed power to a vehicle-mounted battery. The first and second detectors detect voltage applied to the vehicle-mounted battery. The first forced stopper determines whether or not voltage detected by the first detector exceeds a predetermined threshold, and causes the DC/DC converter to stop when the predetermined threshold is exceeded. The second forced stopper determines whether or not voltage detected by the second detector exceeds the threshold, and causes the DC/DC converter to stop when the threshold is exceeded.

Abstract: There is provided a drive control apparatus that can maintain a drive control system to be in a safe state even in a case where operational abnormality of avoiding a normal reset of a control processor or operational abnormality of avoiding solution even after resetting the control processor occurs in the control processor. The control processor includes an actuator control processing unit configured to generate a control signal for a drive circuit being a control target apparatus and an actuator, and a diagnosis processing unit configure to diagnosing the actuator control processing unit. The diagnosis processing unit cyclically outputs a reset signal to WDT in a case where the operation of the control processor is normal. The WDT continuously outputs a cutoff signal for cutting off a supply of the control signal from the control processor to the control target apparatus when the cyclic reset signal stops.

Abstract: There is provided a drive control apparatus that can maintain a drive control system to be in a safe state even in a case where operational abnormality of avoiding a normal reset of a control processor or operational abnormality of avoiding solution even after resetting the control processor occurs in the control processor. The control processor includes an actuator control processing unit configured to generate a control signal for a drive circuit being a control target apparatus and an actuator, and a diagnosis processing unit configure to diagnosing the actuator control processing unit. The diagnosis processing unit cyclically outputs a reset signal to WDT in a case where the operation of the control processor is normal. The WDT continuously outputs a cutoff signal for cutting off a supply of the control signal from the control processor to the control target apparatus when the cyclic reset signal stops.

Abstract: First and second detectors and first and second forced stop circuits are included in a charger including an AC/DC converter having a PFC circuit that converts AC power supplied from an external AC power supply into DC power and a smoothing capacitor, and a DC/DC converter that transforms power output by the AC/DC converter and supplies the transformed power to a vehicle-mounted battery. The first and second detectors detect voltage applied to the vehicle-mounted battery. The first forced stopper determines whether or not voltage detected by the first detector exceeds a predetermined threshold, and causes the DC/DC converter to stop when the predetermined threshold is exceeded. The second forced stopper determines whether or not voltage detected by the second detector exceeds the threshold, and causes the DC/DC converter to stop when the threshold is exceeded.

Abstract: In a charger, according to one possible configuration, a pulse signal from a DC/DC converter control unit and a signal from a main safety control unit are applied to a mask. The mask outputs a result of an AND operation on the signals to a gate drive unit and a checking unit. The main safety control unit temporarily changes the output signal from an H level to an L level at a predetermined timing in a state where no information indicating a fault of the charging operation is acquired, and holds the output signal for a predetermined time. When a pulse signal is output without the output of the mask switching to an L level during this time, the checking unit outputs an H level signal. When acquiring the H level signal from the checking unit, the main safety control unit determines that the mask is not operating normally.

Abstract: A charger, in one possible configuration, has an AC/DC converter that converts alternating current power supplied from an external alternating current power supply into direct current power and outputs the direct current power, a DC/DC converter that transforms the direct current power output by the AC/DC converter and supplies the transformed direct current power to a vehicle-mounted battery, and a safety control unit that forcibly stops the DC/DC converter with detection of an occurrence of a fault during charging of the vehicle-mounted battery as a trigger, and subsequently causes the AC/DC converter to stop normally.