公开(公告)号：US20210067160A1

公开(公告)日：2021-03-04

申请号：US17080785

申请日：2020-10-26

申请人： Analog Devices Global Unlimited Company

发明人： Ying Zhao ,  Alan O'Donnell ,  Michael James Twohig ,  Olly J. Kierse ,  James Sheeran ,  Michael C.W. Coln ,  Paul W. Stevens ,  Bruce A. Hecht ,  Padraig Fitzgerald ,  Mark Schirmer

IPC分类号： H03K17/94 ,  H01L25/16 ,  H01H59/00

摘要： Optically isolated micromachined (MEMS) switches and related methods are described. The optically isolated MEMS switches described herein may be used to provide isolation between electronic devices. For example, the optically isolated MEMS switches of the types described herein can enable the use of separate grounds between the receiving electronic device and the control circuitry. Isolation of high-voltage signals and high-voltage power supplies can be achieved by using an optical isolator and a MEMS switch, where the optical isolator controls the state of the MEMS switch. In some embodiments, utilizing optical isolators to provide high voltages, the need for electric high-voltage sources such as high-voltage power supplies and charge pumps may be removed, thus removing the cause of potential damage to the receiving electronic device. In one example, the optical isolator and the MEMS switch may be co-packaged on the same substrate.