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Product Detailed Parameters
- Description：IC FAN DRIVER 20V 960MA 6UTDFN
- Series：-
- Mfr：Melexis Technologies NV
- Package：Tube
- 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-BAA-029-SP is an automotive-grade, low-noise, fully integrated single-coil fan driver IC manufactured by Melexis Technologies NV. Designed for applications requiring robust thermal management, this component features a built-in high-sensitivity Hall effect sensor and supports supply voltages ranging from 3.2V to 32V. It provides a maximum output current of 800mA and includes integrated power clamping options. The device operates within a junction temperature range of -40°C to 150°C and is housed in a compact 6-UTDFN (2.5x2 mm) package with exposed pad.
Feature Summary
- Fully integrated single-coil fan driver with built-in high-sensitivity Hall effect sensor
- Adaptive commutation control for optimized efficiency and low acoustic noise across the entire speed range
- Configurable via I2C interface with on-board EEPROM storage for persistent settings
- Comprehensive protection mechanisms including over-voltage, over-current, and thermal shutdown
Applications
- LED headlight cooling fans in automotive systems
- Seat ventilation fans for passenger comfort
- Sensor cooling fans in electronic control units
- Multimedia GPU cooling solutions
Procurement Notes
Verify the specific suffix configuration against the official datasheet to ensure compatibility with required voltage clamping levels and current limits. Confirm that the 6-UTDFN package dimensions align with the target PCB layout constraints. Check AEC-Q100 certification status if strict automotive reliability standards are mandated for the end application.
Selection Notes
Select this component when designing for automotive environments requiring wide operating temperatures and high reliability. Consider the integrated power clamp ratings to determine if external transient voltage suppression is unnecessary. Evaluate the need for closed-loop versus open-loop control based on system complexity and available I2C resources.
Part Context
This part belongs to the MLX90411 family of intelligent fan drivers, which are engineered to simplify motor control in demanding environments. The LLD suffix indicates the specific UTDFN packaging variant, while the BAA code defines the internal configuration parameters such as current limits and commutation settings tailored for specific automotive use cases.
Replacement Considerations
Consult the official Melexis replacement guide for direct cross-references. Ensure any substitute maintains the same 6-UTDFN footprint and electrical characteristics, particularly the 800mA current limit and 32V supply range.
