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Delphi Technologies Inc.
Electronics and MEMS for Licensing
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Delphi MEMS Micro-relay Switch
The Delphi MEMS Micro-relay Switch is an electrostatically actuated switching device on a silicon chip, which can be integrated with electronics to control power loads. Because of its small size, it can be integrated into the connectors or loads it controls, creating devices such as smart connectors and smart loads. Features include a low on-resistance of <20 milliohms, mechanical operation to >106 cycles, high and low side relay applications, ability to control current surges up to 10A, and incorporation into an arc suppression circuit to create improved durability and integrating capacity.
Delphi's MEMS-based micro-relay is an electrostatically actuated switching device on a silicon chip that can be integrated with electronics to control power loads. Because of its small size, it can be integrated into the connectors or loads it controls, creating devices such as smart connectors and smart loads. Delphi’s micro-relay answers the small packaging needs of the trend toward multiplexed wiring architectures.Features of Delphi’s micro-relay include a low onresistance of less than 20 milliohms, mechanical operation to more than 106 cycles, high and low side relay applications, ability to control current surges up to 10 A, and incorporation into an arc suppression circuit to create improved durability and integrating capacity.
Unlike electromechanical relays or solid-state power devices, this switching device is low-cost, small enough to be easily integrated into connectors, and insensitive to temperature or voltage polarity. It is electrostatically actuated, eliminating the need for a holding current and allowing for rapid response time.
This micro-relay has automotive, automation, and telecommunication applications.
Potential Applications
| Industry | Description |
| Automotive | - Low power controls of electronically operated features such as power rearview mirrors |
| Telecommunications | - Relays for communications where very low leakage current is required |
| Electronics |
- Smart connectors, smart loads, automated testing equipment |
Classification
Electronics & MEMS: Micro Electronic Mechanical Systems (MEMS)
Inventors
Whitehead; David Wayne ; Stein; Arthur Carl ; Codd; Pamela Lane ; Johnson; Stevie P ; Ashtiani; Mansour
Contact Information
Tim Forbes
[1] 248.813.8065
timothy.forbes@delphi.com
