Abstract: The continuous advancement of medical device technology has led to a dramatic increase in the number of implantable devices that utilize onboard electronics. For example, devices used to treat cardiac arrhythmia — including pacemakers and implantable cardioverter defibrillators (ICDs) — frequently contain sensors to monitor heartbeats, onboard memory to record that data, processors to determine which therapy is required, and circuitry to generate either electrical impulses or shocks to correct the heart’s operation. In the U.S. alone, more than 300,000 cardiac arrhythmia devices — which include pacemakers and ICDs — are implanted each year. Neurostimulator implants – such as spinal cord stimulators, which are used to treat chronic pain – are also increasing as new products reach the market.
Abstract: Over the years, ceramic capacitors have been used interchangeably with tantalum in many applications, class II ceramics being the one electrostatic technology that can achieve the high capacitance values typically associated with electrolytic capacitors. But because of MLCC shortages, we are currently at a point where designers are reconsidering electrolytic capacitors for applications that had switched to class II ceramic in recent years. However, migrating circuit designs from MLCCs to tantalum electrolytics requires an understanding of multiple issues that impact how these different styles of capacitors will perform in the intended application. This article discusses the key parameters that differentiate these two capacitor categories in the various roles they play in power supply applications (bypassing, filtering, decoupling, bulk hold
Abstract: Electronic components in safety-relevant systems such as medical devices, aircraft controls, airbags or driver assistance systems must meet the highest requirements in terms of reliability and safety. This also applies to passive components such as ceramic capacitors. Publication: Elektronik Praxis Published: 3/4/2019 Article Link: https://www.elektronikpraxis.vogel.de/lebensentscheidend-mlccs-fuer-sicherheitskritische-anwendungen-in-rauer-umgebung-a-805198