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Product Detailed Parameters
- Description：1COIL FANDRIVER, FG, 40V, 660MA,
- Series：-
- Mfr：Melexis Technologies NV
- Package：Bulk
- Motor Type - Stepper：-
- Motor Type - AC, DC：-
- Function：-
- Output Configuration：-
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- Technology：-
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：-
- Voltage - Load：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The MLX90411KZE-BAC-046-SP is a low-noise, integrated single-coil fan driver from Melexis Technologies NV. It features an internal high-sensitivity Hall effect sensor and supports supply voltages ranging from 3.2V to 32V. The device provides a maximum output current of 1A and includes integrated power clamping for 40V applications. Packaged in a surface-mount SOT-23-6 format, it is designed for consumer electronics such as fans, blowers, and pumps with power ratings up to 15W.
Feature Summary
- Integrated high-sensitivity Hall effect sensor for precise commutation
- Adaptive commutation control for low acoustic noise and high efficiency
- Built-in 40V power clamp to protect against motor back-EMF without external TVS diodes
- Supports both open-loop PWM control and closed-loop speed regulation
Applications
- Single-coil fan motors in consumer electronics
- Blower units for home appliances
- Small pump drives in industrial or IT equipment
Procurement Notes
Verify the specific suffix BAC-046-SP against the official Melexis datasheet to confirm the 40V rating and 660mA current limit configuration. Ensure the SOT-23-6 package matches your PCB footprint. Check RoHS compliance status and moisture sensitivity level (MSL) requirements before assembly. Confirm availability as this part may be subject to obsolescence notices.
Selection Notes
Select this component for applications requiring a compact, low-noise solution for single-coil fans operating at 5V, 12V, 24V, or 32V. The integrated 40V clamp simplifies design by eliminating external protection components. Choose this variant over lower voltage versions if the application involves higher inductive loads or transient spikes exceeding 20V.
Part Context
This part belongs to the MLX90411 series of integrated fan drivers. It is the consumer-grade version, distinct from the automotive-grade MLX90411 variants. The series offers various current limits and voltage clamping options to suit different power requirements in small motor applications.
Replacement Considerations
Consult the Melexis official cross-reference list for direct substitutes. Generic replacements may lack the integrated Hall sensor or specific adaptive commutation features, potentially affecting noise performance and efficiency.
