HOMEPAGE APPLICATIONS INDUSTRIAL BUILDING AND FACTORY SECURITY/SURVEILLANCE Security/Surveillance Motor drivers. Position sensors. Current sensors. Allegro offers a wide variety of power and sensing solutions for your security and surveillance applications. Check out our range of micropower Hall-effect switches and current sensors for a variety of different input current ranges and accuracy requirements. More More More More More More More More Featured Products ACS71240 Automotive-Grade, Galvanically Isolated Current Sensor IC LEARN MORE ACS70331 The ACS70331 is Allegro’s first integrated, high sensitivity, current sensor IC for <5 A current sensing applications. LEARN MORE APS11700-760 Planar/Vertical Hall-Effect Switches LEARN MORE Inspired to innovate, Allegro MicroSystems is redefining the future of sensing and power semiconductor technologies. PRIVACY NOTICE COOKIE NOTICE LEGAL UK MODERN SLAVERY ACT © 2019-2021 Allegro MicroSystems, Inc. All Rights Reserved. We use cookies and other similar technologies to enhance your experience, help us better understand how you use our website, assist with our marketing efforts, and to provide content from third parties. To learn more about the cookies we use, see our Cookie Notice Reject All Accept All Cookie Settings