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Product Detailed Parameters
- Description：IC FAN DRIVER 40V 660MA 6UTDFN
- Series：-
- Mfr：Melexis Technologies NV
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：-
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：-
- Interface：-
- Technology：-
- Step Resolution：-
- Applications：-
- Current - Output：800mA
- Voltage - Supply：3.2V ~ 32V
- Voltage - Load：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：6-DFN Exposed Pad
- Supplier Device Package：6-UTDFN (2.5x2)
- Grade：Automotive
- Qualification：-
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Overview
The MLX90411LLD-BAG-046-RE is an automotive-grade, low-noise single-coil fan driver from Melexis. It integrates a high-sensitivity Hall effect sensor and power stage for open-loop speed control. The device supports supply voltages between 3 V and 28 V with a maximum output current of 600 mA. It features integrated 40 V power clamping to handle back-EMF without external TVS diodes. Packaged in a compact 6-pin UTDFN (2.5x2 mm) format, it meets AEC-Q100 standards for automotive reliability.
Feature Summary
- Integrated high-sensitivity Hall effect sensor for precise commutation
- Adaptive commutation control for low acoustic noise and high efficiency
- Built-in 40 V power clamp for transient voltage protection
- Programmable frequency generator output for tachometer feedback
Applications
- Automotive cabin cooling fans
- Engine compartment ventilation blowers
- Battery thermal management pumps
Procurement Notes
Verify the specific suffix 'BAG' against official Melexis documentation to confirm pinout and feature configuration. Ensure compatibility with existing PCB footprints for the 6-UTDFN package. Confirm that the 600 mA current limit aligns with the target motor specifications. Check for any export restrictions or required documentation for automotive components.
Selection Notes
Select this component for applications requiring robust automotive reliability and low electromagnetic interference. The integrated hall sensor simplifies design by eliminating external sensing requirements. Consider the 40 V rating for systems with potential voltage spikes. Evaluate the open-loop control strategy against closed-loop needs for precise speed regulation.
Part Context
This part belongs to the MLX90411 series, designed specifically for automotive thermal management. It replaces discrete solutions by combining driver, sensor, and protection circuits into a single IC. The series offers various current limits and voltage ratings to suit different fan and pump sizes within vehicle HVAC and battery systems.
Replacement Considerations
Consult official Melexis substitution guides for verified equivalents. Generic replacements may lack the integrated hall sensor or specific automotive qualification.
