Electronic Products & Technology

Sensor boosts accuracy of Hall-effect dc current sensing

Stephen Law   

Electronics Semiconductors MCU semiconductors Sensor

MELEXIS MLX91230 third generation MCU brings 0.5% accuracy at an affordable price in a compact design. Product integrates IVT measurement capability, embeds a microcontroller (MCU) to offload processing from the ECU and benefits from pre-installed safety features. Device provides manufacturers of products such as power distribution components, contactors and relays with a safe and simple method of increasing their system’s capabilities through the addition of smart functionality, provided by the programmable flash microcontroller. MCU with on-board flash memory supports custom software deployment and extensive compensation of system imperfections. Examples are ferromagnetic saturation onset, non-linearities and hysteresis compensation. The MCU also supports frame customization. Device is AEC-Q100 and ASIL compliant. It supports system integration up to ASIL D as per ISO 26262 functional safety requirements. The digital architecture and flexible MCU allow for simple integration into a range of battery-related and DC voltage/current applications.

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