Allegro MicroSystems Inc. Datasheets for Current Sensors

Current sensors measure AC and/or DC current levels. They receive current inputs and provide outputs as analog voltage signals, analog current levels, switches, or audible signals.
Current Sensors: Learn more

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Product Name Notes
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0 to 400 A Current Sensor ICs with Integrated Conductor
0 to 50 A Current Sensor ICs with Integrated Conductor
Field Sensors 0 to >1000 A Sensor ICs
Integrated Current Sensors
Simplify AC power monitoring with the ACS71020. This integrated solution provides accurate measurements of active, reactive, and apparent power, along with voltage zero crossing and overcurrent detection, eliminating the need...
The A1363 offers high-accuracy current sensing with programmable offset and sensitivity, advanced temperature compensation, and high bandwidth (120kHz) for demanding applications. * Note: If you have issues logging into this...
The A1365 provides high-accuracy current sensing with a self-test diagnostic mode, programmable offset and sensitivity, and an integrated fault comparator for enhanced system reliability. * Note: If you have issues...
The A1366 offers precise and stable magnetic field sensing with factory-programmed sensitivity and offset, advanced temperature compensation, and high bandwidth (120kHz) for simplified design. * Note: If you have issues...
The A1367 provides robust and accurate magnetic field sensing with a regulated supply, reverse battery protection, programmable offset and sensitivity, and high bandwidth (240kHz) for demanding applications. * Note: If...
The ACS37002 offers precise current sensing for high-speed control loops and current monitoring, with pin-selectable gains for design flexibility and a fast overcurrent fault output for system protection. * Note:...
The ACS37003 offers precise current sensing for industrial motor control and power applications, with 400kHz bandwidth, 5kV isolation, and differential sensing for high accuracy in noisy environments. Its low internal...
The ACS37010/12 current sensors provide accurate and reliable current measurements with a fast 1.3µs response time. The ACS37010 offers a voltage reference output, while the ACS37012 includes a fault output...
The ACS37612 simplifies high-current sensing with its contactless, coreless design, offering high precision, common-mode field rejection, and a wide sensing range (200A to >1000A). * Note: If you have issues...
The ACS37800 simplifies power monitoring in AC and DC systems, providing accurate measurements of active, reactive, and apparent power, along with RMS voltage, current, and integrated fault protection. * Note:...
The ACS70310/1 provides high-accuracy current sensing with ultralow thermal drift, reverse battery protection, and a high-bandwidth (240kHz) analog output. The ACS70311 adds undervoltage detection and low-voltage programming. * Note: If...
The ACS70331 provides highly sensitive current sensing for applications below 5A, utilizing GMR technology for improved accuracy and resolution compared to Hall-effect sensors. Its differential configuration and low noise output...
The ACS711 offers a cost-effective solution for current sensing in low- and high-side applications, with integrated overcurrent fault protection and a low-noise analog signal path. Eliminates the need for an...
The ACS720 provides precise current measurement with dual fault detection (short-circuit and overcurrent) and galvanic isolation, making it suitable for motor control and power inverter applications. * Note: If you...
The ACS722 provides precise current measurements for AC or DC current, featuring pin-selectable bandwidth (80kHz or 20kHz), galvanic isolation, and a small footprint for space-constrained applications. Operates at 5V. *...
The ACS723 provides precise current measurements for AC or DC current, featuring pin-selectable bandwidth (80kHz or 20kHz), galvanic isolation, and a small footprint for space-constrained applications. Operates at 3.3V. *...
The ACS724/5 current sensors offer precise and stable current measurements in magnetically noisy environments, featuring differential sensing for common-mode rejection, galvanic isolation, and a wide operating temperature range. The ACS724...
The ACS72981 provides accurate and efficient current sensing for automotive applications, featuring a 250kHz bandwidth, fast response time (<2µs), and a low-resistance conductor (200µΩ) for minimal power loss. * Note:...
The ACS730 provides high-bandwidth (1MHz), high-accuracy current sensing for AC or DC currents, featuring galvanic isolation and a small footprint for high-frequency applications. * Note: If you have issues logging...
The ACS732/3 current sensors provide high-bandwidth (1MHz) current sensing with user-configurable overcurrent fault detection and galvanic isolation. The ACS732 is designed for 5V operation, while the ACS733 operates at 3.3V.
The ACS770 delivers precise current sensing with enhanced accuracy, featuring a 100µΩ conductor, piecewise linear temperature compensation, and integrated shield for improved noise immunity. * Note: If you have issues...
The ACS772 provides precise and efficient current sensing for high-current, high-voltage applications, featuring a 200kHz bandwidth, fast response time (2.5µs), and reinforced galvanic isolation. * Note: If you have issues...
The ACS773 offers accurate and efficient current sensing optimized for 3.3V operation, with a 200kHz bandwidth, fast response time (2.5µs), and reinforced galvanic isolation. * Note: If you have issues...
The ACS780 offers accurate and efficient current sensing for automotive applications, featuring a coreless design, 200µΩ conductor for low power loss, and integrated protection against common-mode field interference. * Note:...
The ACS781 provides accurate current sensing for automotive applications, featuring a coreless design, 200µΩ conductor, and optimized performance at 3.3V. * Note: If you have issues logging into this feature...

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