Signal transmission devices, electronic equipment, vehicles
The signal transmission device with integrated abnormality detection and self-diagnostic circuits addresses the lack of self-diagnosis in conventional devices, ensuring effective operation and reliability.
JP2026086628APending Publication Date: 2026-05-26ROHM CO LTD
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Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- ROHM CO LTD
- Filing Date
- 2026-02-06
- Publication Date
- 2026-05-26
AI Technical Summary
Technical Problem
Conventional signal transmission devices lack effective self-diagnosis functions.
Method used
A signal transmission device that includes a first abnormality detection circuit for the primary circuit system, a second abnormality detection circuit for the secondary circuit system, a first signal transmission path for insulated communication, and a self-diagnostic circuit to diagnose these components, allowing for appropriate self-diagnosis.
Benefits of technology
Enables appropriate self-diagnosis of the signal transmission device, enhancing its functionality and reliability.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure 2026086628000001_ABST
Abstract
Perform a proper diagnosis of the signal transmission device. [Solution] The signal transmission device transmits a drive signal for a power transistor from the primary circuit system to the secondary circuit system while insulating the primary circuit system from the secondary circuit system, and includes a first abnormality detection circuit configured to detect an abnormality in the primary circuit system, a second abnormality detection circuit configured to detect an abnormality in the secondary circuit system, a first signal transmission path configured to transmit the detection result of the second abnormality detection circuit from the secondary circuit system to the primary circuit system while insulating the primary circuit system from the secondary circuit system, and a diagnostic circuit configured to diagnose the first abnormality detection circuit, the second abnormality detection circuit, and the first signal transmission path, respectively.
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