Current Sensors
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Bidirectional current sensing up to 30 amps ALLEGRO ACS37041KLHBLT 010B3 in compact SOT23 W package
Product Overview The Allegro ACS37041/2 is an AEC-Q100 qualified, Hall-effect current sensor designed for cost-optimized applications, serving as a direct replacement for shunt resistors. This integrated, self-contained solution offers galvanic isolation and features a low 1.6 m conductor resistance for minimal power dissipation. It provides a voltage output linearly proportional to the primary current, capable of bidirectional sensing up to 30 A. The sensor is available in 5
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Allegro CT427 HSN830MR integrated sensor providing current measurement for automotive and industrial
Product Overview The CT427 is a high-accuracy, integrated contact current sensor utilizing Allegro's XtremeSense TMR technology. It offers ultra-low noise and a total output error of less than 1.0% full-scale across eight selectable current ranges up to 65 A. The device provides a linear analog output voltage and features integrated overcurrent detection (OCD) with a fault output pin (FLT). Ideal for industrial, consumer, and automotive applications, it ensures high precision
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ALLEGRO CT110RDV ID6 TMR contact current sensor suitable for IoT LED lighting and power tool designs
Product Overview The CT110 is a high-linearity, high-resolution TMR (Tunneling Magnetoresistance) contact current sensor featuring isolation and a FLAG output. Leveraging patented XtremeSense TMR technology, it accurately measures AC and DC current from 5 mA up to 15.0 A with a typical total output error of less than 0.5%. Its ratiometric analog output voltage simplifies design and offers superior performance compared to traditional shunt resistor and isolation amplifier
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Allegro CT431 HSWF65MR ultra low noise current sensor with fast response and common mode field immunity
Product Overview The CT431 is a high-bandwidth, ultra-low noise integrated contact current sensor leveraging Allegro's XtremeSense TMR technology for high-accuracy measurements. It supports nine current ranges, with an integrated current-carrying conductor (CCC) capable of handling up to 65 A. The device provides a linear analog output voltage with a total output error of less than 1.0% full-scale (FS) across voltage and temperature. Key features include a ~300 ns output
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Linear Hall effect sensor IC Allegro ACS37600KLUATR-1P5B5-C with wide sensing range and programmed sensitivity
Product Overview The Allegro ACS37600 is a high-precision, programmable linear Hall-effect sensor IC designed for core-based current sensing applications. It offers industry-leading noise performance, user-programmable bandwidth (100 to 400 kHz), and a very fast response time (
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Current sensor ic Allegro ACS773ECB-200B-PFF-T ideal for dc dc converter and inverter control applications
Product Overview The Allegro ACS773 family of current sensor ICs offers economical and precise AC or DC current sensing solutions. Ideal for motor control, load detection and management, power supply and DC-to-DC converter control, and inverter control, these devices feature a 2.5 s response time for critical overcurrent fault detection. They utilize a precision, low-offset linear Hall circuit with a low-resistance (100 typical) copper conduction path. Proprietary digital
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automotive current sensor ALLEGRO ACS71240KEXBLT-050U5 featuring calibration and ultrafast fault detection
Product Overview The Allegro ACS71240 is an economical and precise automotive-grade current sensor IC designed for AC or DC current sensing in industrial, automotive, commercial, and communications applications. It features a low-offset linear Hall sensor with a near-surface copper conduction path, converting applied current into a proportional voltage. The device offers high accuracy through differential sensing, rejecting external common-mode magnetic fields. Key features
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Allegro CT432 HSWF30MR current sensor featuring 16 lead soic wide package and rohs compliant green design
Product Overview The CT432 is a high-bandwidth, ultra-low noise integrated contact current sensor utilizing Allegro's XtremeSense TMR technology for high-accuracy current measurements. It offers multiple current ranges, with the integrated current carrying conductor (CCC) supporting up to 70 A and providing a linear analog output voltage. The device achieves a total output error of less than 1.0% full-scale (FS) across voltage and temperature, featuring a ~300 ns output
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Contactless Current Sensor Allegro CT220BMV-IS5 Featuring FLAG Output for Current Threshold Detection
Product Overview The Allegro CT220 is a high-linearity, high-resolution contactless current sensor utilizing XtremeSense TMR technology. It accurately measures magnetic fields generated by current flow through busbars or PCB traces, converting them into an analog voltage output. Designed for applications requiring inherent high isolation and product safety compliance due to high operating voltages, the CT220 offers a typical total output error of 0.5% and can sense currents
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Compact Current Sensor IC Allegro ACS71240KEXBLT010B3 115 in QFN 12 and SOIC 8 Packages for Industrial
Product Overview The Allegro ACS71240 is an economical and precise automotive-grade current sensor IC designed for AC or DC current sensing in industrial, automotive, commercial, and communications applications. It features a low-offset linear Hall sensor with a near-surface copper conduction path, generating a voltage proportional to the applied current. The device offers high accuracy due to differential sensing that rejects common-mode magnetic fields and an integrated
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Precision linear Hall effect current sensor ALLEGRO ACS781LLRTR-050U-T with coreless compact package design
Product Overview The Allegro ACS781xLR is a fully integrated, automotive-grade linear Hall-effect current sensor IC designed for accurate measurement of bidirectional AC and DC currents up to 100 A. Housed in a compact, low-profile (1.5 mm thick) core-less package, it offers a small footprint and ultra-low power loss due to its 200 internal conductor resistance. The device leverages Hall sensor technology with common-mode field rejection for optimal performance in the
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High Accuracy Current Sensor ALLEGRO ACS37002KMABTR-050B5 with Trimmed Precision and Fast Fault Output
Product Overview The ACS37002 is a fully integrated Hall-effect current sensor designed for high accuracy and robust performance in a compact SOICW-16 package. It offers factory-trimmed precision without the need for customer programming, sensing current differentially to reject common-mode magnetic fields. Available in two packages, MA and LA, it provides options optimized for high isolation (MA) or low noise (LA). Key features include a 400 kHz bandwidth, adjustable gain
