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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-BAC-046-RE is an automotive-grade, fully integrated single-coil fan driver manufactured by Melexis. It operates within a supply voltage range of 3.2V to 32V and supports a maximum output current of 800mA. The device features a 40V power clamp for transient protection and includes a built-in Hall-effect sensor for speed detection. Designed for compact applications, it utilizes a 6-pin UTDFN package (2.5x2mm) and complies with AEC-Q100 standards for automotive reliability.
Feature Summary
- Fully integrated control and power stage with low-noise operation
- Integrated 40V power clamp eliminates external TVS requirements
- Built-in high-sensitivity Hall-effect sensor for feedback
- Supports both open-loop and closed-loop speed control modes
Applications
- Automotive cabin ventilation fans
- Engine cooling system blowers
- Battery thermal management pumps
- HVAC system actuators
Procurement Notes
Verify the specific suffix code against the official Melexis datasheet to confirm electrical parameters such as current limit and voltage rating. Ensure the ordering quantity matches the manufacturer's standard packaging requirements. Confirm that the component meets the required AEC-Q100 qualification level for your specific automotive application environment.
Selection Notes
Select this component when a compact, automotive-rated solution for single-coil fans is required. It is suitable for systems needing integrated over-voltage protection and precise speed regulation via Hall feedback. Consider the UTDFN package constraints for PCB layout and thermal dissipation in space-constrained automotive modules.
Part Context
This part belongs to the MLX90411 family of intelligent fan drivers designed for automotive environments. The series offers various current ratings and voltage clamping options to suit different motor loads. The LLD suffix indicates a specific automotive-grade variant optimized for reliability under harsh operating conditions.
Replacement Considerations
Consult the official Melexis replacement guide for direct equivalents. Verify pin compatibility and electrical specifications before substituting with other automotive fan driver ICs.
