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27-01-2026
Comparison between closed-loop and open-loop current sensors
In summary, the choice between an open-loop and a closed-loop current sensor is not about which is universally better, but about which is optimal for a specific set of requirements. Closed-loop sensors offer superior accuracy, linearity, and speed at the expense of larger size, higher power consumption, and cost. Open-loop sensors provide a compact, efficient, and economical solution for applications where the highest level of precision is not critical. Engineers must carefully evaluate the priorities of their design—precision, size, power, and budget—to make the correct choice, leveraging the expertise of suppliers like Rongtech to navigate these critical trade-offs.
