Anti-tamper techniques to thwart attacks on smart meters


4.2 Hardening a meter against magnetic tamper attacks: Transformer based high-side power supplies


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 derive this power from the controller side power supply of the AMC1304 using a combination of a transformer driver such as the SN6501, a transformer, and rectification circuitry. This module covers the advantages and disadvantages of using this transformer-based power supply to power the high-side of the AMC1304.

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