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Product Detailed Parameters
- Description：1COIL FANDRIVER, FG, 20V, 660MA,
- Series：-
- Mfr：Melexis Technologies NV
- Package：Bulk
- Motor Type - Stepper：-
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：-
- Interface：-
- Technology：-
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：3V ~ 28V
- Voltage - Load：40V
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6 Flat Leads
- Supplier Device Package：SOT-23-6
- Grade：Automotive
- Qualification：-
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Overview
The MLX90411LZE-BAA-026-SP is an automotive-grade, single-coil fan driver IC from Melexis. It integrates a high-sensitivity Hall effect sensor and power stage for low-noise operation. The device supports supply voltages from 3.2V to 32V with a maximum output current of 800mA. It features integrated 20V power clamping, adaptive commutation for efficiency, and programmable protection including overcurrent, overvoltage, and thermal shutdown. Control is achieved via I2C interface with on-chip EEPROM configuration.
Feature Summary
- Integrated high-sensitivity Hall effect sensor for precise rotor position detection
- Adaptive commutation control optimizing efficiency across the entire speed range
- Programmable protection mechanisms including lock-rotor, over-voltage, and thermal shutdown
- On-chip EEPROM allows flexible configuration of dynamic PI settings and diagnostic outputs
Applications
- LED headlight cooling fans in automotive systems
- Seat ventilation fans for passenger comfort
- Sensor cooling applications in vehicle electronics
- Multimedia GPU cooling fans
Procurement Notes
Verify the specific suffix 'BAA-026' against official Melexis documentation to confirm pinout and electrical characteristics. Ensure the package type matches the design requirements. Confirm AEC-Q100 certification status for the specific revision. Check availability as this part may be subject to obsolescence or limited stock constraints.
Selection Notes
Select this component for automotive thermal management where low acoustic noise and high reliability are critical. The integrated 20V clamp simplifies design for 5V/12V systems by eliminating external TVS diodes. Consider the SOT-23-6 package for compact PCB layouts. Evaluate the need for closed-loop speed control accuracy versus open-loop simplicity based on application requirements.
Part Context
This part belongs to the MLX90411 family of single-coil fan drivers designed for automotive environments. It is distinguished by its automotive-grade qualification (AEC-Q100) and robust protection features compared to consumer variants. The LZE suffix indicates a specific package and configuration within the broader product line.
Replacement Considerations
Consult official Melexis substitution guides for direct replacements. Verify compatibility regarding voltage ratings, current limits, and package dimensions before swapping with other MLX90411 variants or competitor products.
