Power Management Circuits (IMAGE) National Research Council of Science & Technology Caption Power management circuits that amplify low voltages for efficient use of energy obtained from body temperature. Credit The Electronics and Telecommunications Research Institute (ETRI) Usage Restrictions none License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.