Need to design an overvoltage protection circuit but not sure where to start? This article walks through the alternative Differential Overvoltage Protection Circuits to monitor high currents with precision current sense amplifiers, such as AD8210 and AD8418, in order to protect from overvoltage conditions and create efficient and safe systems. The article also describes in detail what impact on system performance can be expected, with the possible degradation of certain parameters and the improvements associated with proper design.