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Aspencore Media GmbH Copyright. All rights reserved.
Frankfurter Straße 211 No part of this publication may be Electrochemical Impedance Spectroscopy (EIS) for
63263 Neu-Isenburg / Germany reproduced in any form or by any Batteries
This circuit note describes an electrochemical impedance
means without the prior express spectroscopy (EIS) measurement system for characteriz-
ing lithium ion (Li-Ion) and other types of batteries. EIS is
written permission of AspenCore. a safe perturbation technique used to examine processes
occurring inside electrochemical systems.
Editorial Contact Although we make every effort to Power saving methods for LTE-M and NB-IoT
Maurizio Di Paolo Emilio, Ph.D. present up-to-date, accurate infor- LTE-M and NB-IoT require long battery lifetime to ensure
Editor-in-Chief mation, Power Electronics News will IoT services and minimize maintenance costs in the
future. This technical white paper describes the possible
maurizio.dipaolo@aspencore.com not be responsible for any errors or power saving methods that can be applied to LTE-M and
NB-IoT devices.
omissions or for any results obtained GaN and SiC, Devices and Technology – Download our
Lori O'Toole, Chief Copy Editor eBook
lotoole@aspencore.com from the use of such information. Improved energy efficiency and growing demand for
longer battery life are prompting the power electronics
The digital magazine will not be liable community to take yet another hard look at the tradeoffs
Barbara Della Porta, Copy Editor presented by wide-bandgap semiconductor technology
operating at higher voltages, temperatures, and fre-
Barbara.Dellaporta@aspencore.com for any loss caused by the reliance quencies.
on information obtained on this site.
Can You Really Get ppm Accuracies from Op Amps?
Commercially available ppm-accurate amplifiers are
Furthermore, Power Electronics News difficult, if not impossible, to find. This article presents
For Reader Inquiries please contact: does not warrant the accuracy or op amp accuracy limitations and how to choose the few
info@powerelectronicsnews.com op amps that have a chance of 1 ppm accuracy. It will
also discuss a few application improvements to existing
completeness of the information, text, op amp limitations.
graphics in this digital magazine. The
Contact for Advertising opinions expressed in the articles are The Power Electronics
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