Semiconductor device and power monitoring method therefor

Semiconductor device and power monitoring method therefor

According to an aspect of a present invention, there is provided a semiconductor device including a first power monitoring device and a second power monitoring device. The first power monitoring device outputs first operating power that is to be supplied to a second control section. The second power...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Sakai, Masahiro, Yamahira, Toshiki
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
BASIC ELECTRONIC CIRCUITRY
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PULSE TECHNIQUE
TESTING
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Beschreibung
Zusammenfassung:According to an aspect of a present invention, there is provided a semiconductor device including a first power monitoring device and a second power monitoring device. The first power monitoring device outputs first operating power that is to be supplied to a second control section. The second power monitoring device outputs second operating power that is to be supplied to a first control section. Based on a first setting given from the first control section, a first power monitoring circuit autonomously verifies whether the second operating power is normal, and periodically transmits the result of verification to the second control section as first error information. Based on a second setting given from the second control section, a second power monitoring circuit autonomously verifies whether the first operating power is normal, and periodically transmits the result of verification to the first control section as second error information.