ROHM's Hall sensors for alternating field detection vary the electric signal based on changes in the magnetic field (from S to N and N to S pole transition). This method is contact-less, unlike mechanical systems, eliminating the likelihood of misdetection, increasing reliability.
BU52040HFV Hall Sensor IC Features
Alternating field detection based on polarity changes
Intermittent operation for lower power consumption
8kV ESD resistance ensures greater reliability
+/-3.0mT operating magnetic flux density results in high sensitivity
Compact surface mount package
(1.6mm×1.6mm×0.6mm) contributes to end-product miniaturization
Detection errors due to temperature fluctuations minimized
Non-contact method strong against deterioration for greater reliability
Contact-less system facilitates waterproof, dustproof designs
ROHM utilizes original technologies to develop LSIs that meet market needs for current as well as next-generation products, expanding our considerable lineup with optimal solutions.
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