Anti-tamper techniques to thwart attacks on smart meters

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4.3 Hardening a meter against magnetic tamper attacks: Cap-drop based high-side power supplies

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2017년 4월 12일

In order to use the AMC1304 for isolated shunt sensing, it is necessary to provide power to the high-side power supply of the AMC1304. One option for this high-side power supply is to use a cap-drop supply to power the AMC1304’s high side from Mains. This module covers the pros and cons of using a cap drop power supply to power the high-side of a AMC1304. Details will be provided on the TIDA-01094 reference design, which uses a cap-drop power supply to power the high-side of the AMC1304.

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