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Shrink current transducers with Hall-effect sensor integration

Posted: 16 Oct 2008 ?? ?Print Version ?Bookmark and Share

Keywords:Hall effect sensor? power electronics? MEMS? ASIC?

The trend in power electronics is no different from other fields in electronics: a greater degree of integration coupled with a lower component count. Power electronics systems, however, include components such as heat sinks, magnetics and coils, which can make high levels of integration difficult. MEMS have already found applications in sensing systems and have the potential to offer advances in other parts of the system.

Traditional current transducers are unsuitable for markets such as domestic electrical products and air conditioning systems because they are too big and expensive. Smaller and lower-cost transducers are now making current measurement a reality in these systems. The only limitations are from external factors such as creepage, clearance and isolation levels.

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