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Product Detailed Parameters
- Description：IC FAN DRIVER 40V 2.2A 10DFN
- 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：I2C, PWM
- Technology：-
- Step Resolution：-
- Applications：-
- Current - Output：2.2A
- Voltage - Supply：3.5V ~ 32V
- Voltage - Load：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：10-DFN Exposed Pad
- Supplier Device Package：10-DFN (3x3)
- Grade：Automotive
- Qualification：-
Download product information
Overview
The MLX90412LLW-BAB-042-RE is a fully integrated single-coil fan driver from Melexis, designed for automotive and industrial applications. It features a 40V supply voltage capability and delivers a continuous output current of 2.2A. The device supports I2C and PWM interfaces for control and includes a frequency generator (FG) output. It operates within a junction temperature range of -40°C to 150°C and is housed in a 10-DFN (3x3 mm) package with exposed pad. The component is rated for automotive use and offers configurable speed curves and motor control behaviors without requiring external firmware.
Feature Summary
- Fully integrated driver with control and power stages for single-coil fans
- Configurable speed curves and frequency generator signal options via I2C/PWM
- Robust thermal performance suitable for high-temperature environments
- Automotive-grade reliability with simplified system integration
Applications
- Automotive cooling systems
- Industrial drive motor control
- Data center and AI workstation GPU cooling
- Uninterruptible Power Supply (UPS) fan management
Procurement Notes
Verify the specific suffix BAB-042-RE against the official datasheet to ensure correct packaging and configuration. Confirm that the NRND status does not impact existing production timelines. Check for moisture sensitivity level requirements during storage and handling. Validate interface compatibility with the host controller before procurement.
Selection Notes
Select this component when a single-coil fan solution is sufficient for the thermal load. It is appropriate for designs requiring 2.2A current capacity and 40V tolerance. Consider the 10-DFN package constraints for PCB layout. Ensure the application benefits from the integrated FG signal and I2C configurability over discrete MCU solutions.
Part Context
This part belongs to the MLX90412 series of single-coil fan drivers. It is positioned as a cost-effective alternative to three-phase solutions for applications where single-coil performance meets requirements. The series emphasizes plug-and-play integration to reduce development time and external component count in high-power fan applications.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. The component status is listed as Not Recommended for New Designs (NRND). Engineers should consult Melexis directly for potential obsolescence management or equivalent replacement recommendations.
