SIGNAL TRANSMISSION DEVICE, ELECTRONIC DEVICE, AND VEHICLE

A signal transmission device transmits a driving signal for a gate-driving transistor between a primary circuit system and a secondary circuit system while isolating between the primary and secondary circuit systems. The signal transmission device includes: a first external terminal configured such...

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Hauptverfasser: KIKUCHI, Takeshi, SASABE, Akio, YANAGISHIMA, Daiki, NISHINOUCHI, Masato
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A signal transmission device transmits a driving signal for a gate-driving transistor between a primary circuit system and a secondary circuit system while isolating between the primary and secondary circuit systems. The signal transmission device includes: a first external terminal configured such that the ground terminal of the secondary circuit system is connected to it; a second external terminal configured such that the terminal voltage at it varies according to whether the first external terminal is in an open state; and an open detection circuit configured to monitor the terminal voltage at the second external terminal to perform open detection for the first external terminal.