HK504 is a highly sensitive bipolar Hall switch chip designed based on VICORV technology. The chip includes temperature compensation, comparator, and output driver. In addition, mechanical stress has little effect on the magnetic parameters of the chip.The series of chip sensors is suitable for industrial and automotive applications, with an ambient temperature range of -40 ℃ to 150 ℃ and supply voltage range of 2.7V to 30V. HK504 provides a variety of packages to customers:TO92S、SOT23（small）、SOT23. All packages are RoHs compliant. The product has passed AEC-Q100 certification.