XtremeSense TMR Current Sensors

Manufacturer

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Description

Allegro MicroSystems CT4022 and CT4032 XtremeSense TMR Current Sensors deliver superior noise performance and high-precision current measurements for high-voltage, power-dense clean energy applications. These sensors measure current flowing through an integrated conductor and reject interference from external stray magnetic fields. Integrated galvanic isolation enables low-side, high-side, or in-line current sensing in applications up to 1000V.

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Allegro MicroSystems CT4022 & CT4032 XtremeSense TMR Current Sensors

Introduction

The Allegro MicroSystems CT4022 and CT4032 XtremeSense TMR Current Sensors are advanced devices designed for high-precision current measurement in demanding applications. With their superior noise performance and integrated galvanic isolation, these sensors are ideal for high-voltage, power-dense clean energy systems.

Part Description

The CT4022 and CT4032 sensors utilize TMR (Tunnel Magnetoresistance) technology to deliver accurate current measurements while effectively rejecting interference from external magnetic fields. They are capable of operating in environments up to 1000V, making them suitable for a variety of applications. The CT4022 is housed in an 8-pin SOIC package, while the CT4032 comes in a 16-pin wide-body SOIC package. Key features include a 500kHz operating bandwidth, low power dissipation, and a wide operating temperature range of -40°C to +125°C.

Applications

Datacenter power supplies
Server power supplies
Personal mobility motor drives (e-bikes and e-scooters)
Clean energy string inverters
Clean energy microinverters
HEV/EV onboard chargers

Industries

Clean Energy
Automotive
Data Centers
Consumer Electronics
Industrial Automation

Usage Ideas

E-Bike Power Management: Utilize the CT4032 sensor to monitor and optimize the power consumption of an e-bike, ensuring efficient energy use during rides.
Server Power Supply Monitoring: Implement the CT4022 in a server power supply system to provide real-time current measurements, enhancing the reliability and efficiency of data center operations.
Electric Vehicle Charging Station: Integrate the CT4032 into an EV charging station to accurately measure and manage the current flowing during the charging process, improving safety and performance.

Conclusion

The Allegro MicroSystems CT4022 and CT4032 XtremeSense TMR Current Sensors are versatile and high-performance solutions for current measurement in various applications. Their ability to operate in high-voltage environments while maintaining precision makes them an excellent choice for industries focused on clean energy and advanced power management.