Electronic Products & Technology

Automotive 200-2000A current sensors deliver integrated overcurrent detection

Stephen Law   

Electronics automotive conventional hall-current Sensor

MELEXIS MLX91218 and MLX91219 conventional hall current sensor using a ferromagnetic C-core to measure currents in the ranges of 200A to beyond 2000A. The IMC-Hall current sensor comes with a flexible U-shield for crosstalk immunity, currents can be measured in the ranges of 200A to 2000A. Sensors benefit from an increased signal to noise ratio (SNR), nearly 2 times greater than preceding generations. Featuring high linearity, within ±0.3% full scale, the AEC-Q100 automotive-qualified devices deliver enhanced accuracy for managing high speed applications such as motor control, inverters and converters, but also redundant monitoring of battery-management systems (BMS). Minimal thermal drift, maintaining electrical offset within +/-5mV and sensitivity within +/-1%, ensures accuracy over a wide temperature range.



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