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The MLX90411KZE-BAA-046-SP is a low-noise, fully integrated single-coil fan driver IC from Melexis. It features an integrated high-sensitivity Hall effect sensor and supports supply voltages from 3.2V to 32V with a maximum output current of 1A. The device includes integrated power clamping (40V version) for protection against back EMF. It offers adaptive commutation for efficiency and noise reduction, supporting both open-loop PWM control and closed-loop speed regulation via I2C programming.
Verify the specific suffix 'BAA-046-RE' or '-SP' against the latest Melexis datasheet to confirm pinout and electrical characteristics match your design requirements. Confirm RoHS3 compliance status and moisture sensitivity level (MSL 3) for your assembly process. Check if the component is marked as 'Not Recommended for New Designs' in official catalogs, which may impact long-term availability.
Select this part for applications requiring a compact SOT-23-6 package solution for single-coil motors. Ensure the system voltage falls within the 3.2V to 32V range. Consider the 40V clamp rating if operating near higher voltage limits without external TVS diodes. Verify that the 1A peak current capability meets the stall or startup requirements of the target fan motor.
This component belongs to the MLX90411 series of intelligent fan drivers. The KZE suffix indicates a consumer-grade device in a SOT-23-6 package. It is distinct from the automotive-grade L-series variants, which offer AEC-Q100 certification and extended temperature ranges. The series is designed to replace discrete driver solutions by integrating control logic, power stage, and sensing.
Consult Melexis documentation for direct cross-references. Generic replacements may lack the integrated Hall sensor or specific clamp ratings. Verify package compatibility (SOT-23-6) and pinout alignment before substitution.