1MHz Bandwidth, High Accuracy XtremeSense™ TMR Isolated Current Sensor with Overcurrent Fault Detection

CT431

The CT431 (VCC = 3.3 V) offers high-accuracy XtremeSense TMR current sensing with ultra-low noise, a fast 300ns response time, 5kV isolation, and an integrated current carrying conductor (CCC) for simplified design. Includes integrated overcurrent detection for enhanced system protection.

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Product Details

Top Features

Total Error Output: ±0.5% FS
300 ns Response Time, 1 MHz Bandwidth
Noise as Low as 9.5 mARMS
Integrated 0.5 mΩ Conductor
VCC = 3.3 V
Common Mode Field Rejection: -54 dB
Rated Isolation Voltage: >5 kVRMS
UL/IEC 62368-1 and UL1577 Certification
IEC 61000-4-5 Certified
AC or DC Current Range:
- +20.0 ADC / ±20.0 APK
- +30.0 ADC / ±30.0 APK
- +50.0 ADC / ±50.0 APK
- +65.0 ADC / ±65.0 APK
16-lead SOIC-Wide package
8mm creepage package

Part Number Specifications and Availability

Allegro's XtremeSense™ TMR technology

Superior magnetic sensitivity, low power consumption, and compact size compared to other technologies, driving innovation in applications like renewable energy, electric vehicles, and consumer electronics.

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