The CT455 Series from Allegro Microsystems are Automotive-Qualified Contactless Current Sensors that are designed to perform high-accuracy current measurements for many consumer, enterprise, and industrial applications. They require supply voltages from 3.3 - 5 V and an input current of 6 mA. These AEC-Q100 Grade 1-qualified current sensors utilize Allegro's patented XtremeSense tunnel magnetoresistance (TMR) technology that minimizes noise during sensitive current measurements. They support two standard field ranges for sensing and translating the magnetic field into a linear analog output voltage. 

These RoHS-compliant current sensors measure current over a bandwidth of 1 MHz and provide fast response time of less than 300 ns for high dV/dt applications. They are available in surface-mount packages that measure 4.80 x 5.80 x 1.52 mm and are ideal for solar/power inverters, battery management systems, industrial equipment, power utility meters, DC-DC converters, and power conditioner applications.