Drive unit
JP2026096836APending Publication Date: 2026-06-15NISSAN MOTOR CO LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- NISSAN MOTOR CO LTD
- Filing Date
- 2024-12-03
- Publication Date
- 2026-06-15
AI Technical Summary
⚠Technical Problem
Existing drive devices for H-bridge circuits do not adequately address noise leakage due to electromagnetic interference from wiring configurations.
⚗Method used
The drive device is configured with semiconductor modules arranged in a specific layout where modules connected to the same-phase windings are adjacent to each other, with wiring extending from these modules in a controlled direction to minimize crossings and loop sizes, and includes busbars and shielding mechanisms to reduce electromagnetic interference.
🎯Benefits of technology
This configuration effectively suppresses noise leakage and improves electromagnetic compatibility by reducing circuit loop sizes and minimizing signal interference between phases, enhancing overall electromagnetic compatibility.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure 2026096836000001_ABST
Abstract
To provide a drive device for an H-bridge circuit that can suppress noise leakage. [Solution] The drive device 10 is a device that constitutes an H-bridge circuit 16 for an open-winding motor 12. The drive device 10 is arranged such that the first to sixth semiconductor modules 80, 82, 84, 86, 88, and 90 are arranged in a row, and the first and second semiconductor modules 80 and 82 are adjacent to each other, the third and fourth semiconductor modules 84 and 86 are adjacent to each other, and the fifth and sixth semiconductor modules 88 and 90 are adjacent to each other. The drive device 10 is arranged such that all of the first to sixth terminals 104, 114, 124, 134, 144, and 154 are located in the same direction (194).
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