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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：-
Download product information
Overview
The MLX90411LLD-BAD-046-RE is an automotive-grade, low-noise, fully integrated single-coil fan driver IC manufactured by Melexis Technologies NV. It features a built-in high-sensitivity Hall effect sensor and supports supply voltages from 3.2V to 32V with a maximum output current of 800mA. The device utilizes a 6-UTDFN (2.5x2) package and operates within a junction temperature range of -40°C to 150°C. It includes integrated power clamping options and is designed for applications requiring robust thermal management in automotive environments.
Feature Summary
- Fully integrated single-coil fan driver with embedded Hall sensor
- Adaptive commutation control for optimized efficiency and low acoustic noise
- Configurable speed control via PWM input or open-loop/dynamic PI settings
- Comprehensive protection mechanisms including over-voltage, over-current, and thermal shutdown
Applications
- LED headlight cooling fans
- Seat ventilation fans
- Sensor cooling fans
- Multimedia GPU cooling systems
Procurement Notes
Verify the specific suffix 'BAD' against official Melexis documentation to confirm exact electrical parameters and pinout compatibility. Confirm AEC-Q100 qualification status and ensure the selected package matches the target PCB footprint. Check for obsolescence notices as this component may be subject to design-in restrictions.
Selection Notes
Select this component for automotive thermal management solutions requiring compact form factors and low electromagnetic interference. Ensure the application voltage aligns with the 3.2V to 32V operating range. Consider the 800mA current limit when sizing for higher-power loads and verify that the UTDFN package size fits the mechanical constraints.
Part Context
This part belongs to the MLX90411 family of intelligent fan drivers designed for both consumer and automotive markets. The 'LLD' designation indicates the UTDFN package variant, while the 'BAA' or similar suffixes typically denote specific voltage clamping levels and feature sets tailored for automotive reliability standards.
Replacement Considerations
MLX90411LLD-BAA-046-SP
FAQ
Does the MLX90411 support closed-loop speed control?
Yes, the device supports closed-loop speed control with a precision of ±1.5% using dynamic PI settings.
What protection features are included in this driver?
It includes programmable lock rotor protection (LRP), over-voltage protection (OVP), short-circuit protection (OCP), current limiting (CL), and thermal shutdown (TSD).
