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Product Detailed Parameters
- Description：IC FAN DRIVER 40V 660MA SOT23-6L
- 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：PWM
- Technology：-
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：1A
- Voltage - Supply：3.2V ~ 32V
- Voltage - Load：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Grade：-
- Qualification：-
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Overview
The MLX90411KZE-BAA-046-RE is a low-noise, fully integrated single-coil fan driver manufactured by Melexis Technologies NV. Designed for consumer applications in IT, home appliances, and industrial sectors, it supports supply voltages ranging from 3.2V to 32V with an output current capability of up to 660mA. The device utilizes a SOT-23-6 surface-mount package and features an open-loop control architecture. It integrates a high-sensitivity Hall effect sensor and includes a 40V power clamp to handle back-EMF without external protection components.
Feature Summary
- Fully integrated single-coil fan driver with built-in high-sensitivity Hall effect sensor
- Integrated 40V power clamp eliminates the need for external transient voltage suppressors
- Supports adaptive commutation for optimized efficiency and low acoustic noise
- Programmable fault protection including over-current, over-voltage, and thermal shutdown
Applications
- Fan motors in information technology equipment
- Blower motors in home appliances
- Pump drivers in industrial systems
Procurement Notes
Verify component authenticity through authorized Melexis distributors or certified partners. Confirm the specific suffix BAA-046-RE matches design requirements for voltage clamping and packaging. Check RoHS compliance status and moisture sensitivity level prior to assembly planning. Ensure ESD handling protocols are followed during storage and installation.
Selection Notes
Select this variant for applications requiring a SOT-23-6 package and 40V clamp rating. It is suitable for 5V, 12V, and 24V systems where open-loop control is sufficient. Consider alternative packages like UTDFN if space constraints require a smaller footprint. Verify that the 660mA output current meets the motor load requirements.
Part Context
This part belongs to the MLX90411 family of single-coil fan drivers. The KZE suffix indicates the SOT-23-6 package type, while the BAA-046 designation specifies the electrical characteristics and configuration options. It is distinct from automotive-grade variants which carry different qualification standards and temperature ranges.
Replacement Considerations
Direct substitutes within the same family include other MLX90411 variants with different package codes (e.g., LLD for UTDFN) or clamp ratings. Cross-family replacements may require redesigning the PCB layout and control logic due to differences in pinout and interface specifications.
FAQ
Does this component support closed-loop speed control?
No, the MLX90411KZE-BAA-046-RE operates in open-loop mode. Closed-loop control capabilities are typically found in other variants within the MLX90411 series.
What is the purpose of the integrated 40V clamp?
The integrated 40V clamp protects the driver from back-EMF generated by the motor, eliminating the need for external transient voltage suppression devices in 5V, 12V, and 24V applications.
