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Product Detailed Parameters
- Description：1COIL FANDRIVER, 40V, 2.2A, PREP
- Series：-
- Mfr：Melexis Technologies NV
- Package：Tape & Reel (TR)
- Motor Type - Stepper：-
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：-
- Interface：-
- Technology：-
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：2.2A
- Voltage - Supply：3.5V ~ 32V
- Voltage - Load：-
- Operating Temperature：-
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：10-DFN Exposed Pad
- Supplier Device Package：10-DFN (3x3)
- Grade：-
- Qualification：-
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Overview
The MLX90412GLW-BAX-042-RE is a single-coil fan driver integrated circuit designed for automotive applications. It operates with a supply voltage up to 40V and delivers a peak current of 2.2A. The device features a 1/16 microstepping resolution and supports speeds up to 9000rpm. It includes a frequency generator (FG) output for speed monitoring. The component is housed in a 10-DFN exposed pad package, suitable for surface mount technology.
Feature Summary
- Integrated single-coil fan driver with high current capability
- Built-in frequency generator for closed-loop speed control
- Microstepping functionality for smooth motor operation
- Automotive-grade reliability and robustness
Applications
- Automotive cooling fan motor control
- HVAC system fan drivers
- Engine compartment thermal management
- Battery thermal regulation fans
Procurement Notes
Verify the specific suffix BAX-042-RE against the official Melexis datasheet to confirm pinout and electrical characteristics. Ensure compatibility with existing PCB footprints for the 10-DFN package. Check for any export restrictions or additional documentation requirements if sourcing from regions with strict trade regulations. Confirm RoHS compliance status through the manufacturer's latest certification documents.
Selection Notes
Select this component when a single-coil fan requires precise speed control via microstepping in an automotive environment. It is suitable for applications needing a built-in feedback mechanism through the frequency generator. Consider the 40V rating and 2.2A current limit to ensure it matches the motor's electrical demands. The exposed pad package aids in thermal dissipation for high-power density designs.
Part Context
This part belongs to the MLX90412 series of automotive fan drivers. The series is designed to replace discrete solutions, offering integrated protection and control features. It targets modern vehicle thermal management systems where space constraints and reliability are critical. The GLW variant indicates a specific package and temperature grade configuration within the family.
Replacement Considerations
Consult Melexis official substitution guides for direct replacements. Verify that alternative parts support 1/16 microstepping and have comparable current ratings. Ensure the replacement package matches the 10-DFN footprint. Cross-reference pinouts carefully as internal architectures may differ between manufacturers.
