SESSION 17 - Emerging Sensing and Computing Technologies.pdf

1、ISSCC 2024SESSION 17Emerging Sensing and Computing Technologies17.1 Omnidirectional Magnetoelectric Power Transfer for Miniaturized Biomedical Implants via Active Echo 2024 IEEE International Solid-State Circuits Conference1 of 65Omnidirectional Magnetoelectric Power Transfer for Miniaturized Biomed

2、ical Implants via Active EchoWei Wang,Zhanghao Yu,Yiwei Zou,Joshua Woods,Prahalad Chari,Jacob T.Robinson,and Kaiyuan YangRice University,Houston,TX17.1 Omnidirectional Magnetoelectric Power Transfer for Miniaturized Biomedical Implants via Active Echo 2024 IEEE International Solid-State Circuits Con

3、ference2 of 651950First fully implantable2010 Miniaturized2016Leadless&Integrated55cc,120g10cc,20g10cc,20gWireless Implantable Bio-stimulator17.1 Omnidirectional Magnetoelectric Power Transfer for Miniaturized Biomedical Implants via Active Echo 2024 IEEE International Solid-State Circuits Conferenc

4、e3 of 651950First fully implantable2010 Miniaturized2016Leadless&Integrated55cc,120g10cc,20g10cc,20gImplantFutureBatteryless&Multi-function0.1cc,LR k LR k VRX2 VRX3;1=2=0,3=pi17.1 Omnidirectional Magnetoelectric Power Transfer for Miniaturized Biomedical Implants via Active Echo 2024 IEEE Internatio

5、nal Solid-State Circuits Conference44 of 65Outline Background and Challenges Proposed System Overview System Implementation Measurements Conclusion17.1 Omnidirectional Magnetoelectric Power Transfer for Miniaturized Biomedical Implants via Active Echo 2024 IEEE International Solid-State Circuits Con

6、ference45 of 65Measurement of Implant Chip:Overview1.68mm0.8mmPulse TXCentral controllerPMUStimCLK V&IVLDO_TX capVLDO capDC-DC capVLDO_TX capVRECT cap14.2mm3integrated implant*250nH AE sensing coil5x2x0.18mm ME film*without encapsulationBiasing magnetsElectrodeME film12mm17.1 Omnidirectional Magneto