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    HomeEV BusinessROHM’s New Automotive-Grade High Voltage Hall ICs

    ROHM’s New Automotive-Grade High Voltage Hall ICs

    ROHM has developed Hall ICs, the BD5310xG-CZ / BD5410xG-CZ series, designed for automotive applications requiring magnetic detection.

    In recent years, the continuing computerization of vehicle systems to meet the demand for increasing electrification and functionality along with greater comfort and safety has required additional ECUs (Electronic Control Units) and sensors to provide control.

    Among these sensors, Hall ICs are becoming one of the most adopted types due to their ability to detect position and motor rotation in a non-contact manner that reduces the wear-and-tear prevalent with mechanical switches while also being compact and can be equipped with protection circuits.

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    ROHM has developed Hall ICs for automotive applications that improve reliability by combining Hall IC expertise cultivated over many years for the mobile and consumer sectors with original high-withstand voltage processes. As a result, the BD5310xG-CZ / BD5410xG-CZ series features an industry-leading 42V withstand voltage that enables direct connection to a primary (12V battery) power supply. This contributes to improved reliability under battery power, which can fluctuate rapidly depending on the operating conditions. At the same time, a wide operating supply voltage range of 2.7V to 38V enables support for a variety of applications. The unique internal topology also reduces power consumption by approx. 20% over general products to achieve an industry-leading current consumption of 1.9mA. Both series comply with the AEC-Q100 (Grade 1) automotive reliability standard while incorporating multiple protection circuits required for vehicle systems.

    The BD5310xG-CZ series is a unipolar detection type while the BD5410xG-CZ series provides latch-type detection, giving designers the flexibility to select the ideal product based on set needs. 11 models are offered in the detection of magnetic flux densities – ranging from 2.0mT to 28.0mT. Unipolar detection can be used for detecting position in applications such as door open/close and door locks, whereas latch detection is ideal for rotation detection in various motors used in power windows, sliding doors, and the like.

    Going forward, ROHM will continue to expand its lineup of sensor ICs that contribute to higher reliability and functionality in automotive applications.

    Himanshu Vaibhav
    Himanshu Vaibhavhttps://www.timesev.com/
    Himanshu Vaibhav is a distinguished Technology Journalist associated with ELEtimes.com and TimesEV.com. With expertise in researching, writing, and editing, he demonstrates a deep understanding of technology, particularly in the EV industry. His continuous updates on EV, Automotive, and E-mobility industries reflect his commitment to staying at the forefront of emerging trends.

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