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Product Detailed Parameters
- Description：IC FAN DRIVER 20V 960MA 6UTDFN
- Series：-
- Mfr：Melexis Technologies NV
- Package：Tube
- 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：6-DFN Exposed Pad
- Supplier Device Package：6-UTDFN (2.5x2)
- Grade：-
- Qualification：-
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Overview
The MLX90411KLD-BAA-029-SP is a low-noise, fully integrated single-coil fan driver from Melexis. It operates within a supply voltage range of 3.2V to 32V and features an adaptive current limit of 960mA. The device utilizes a UTDFN6 package (2.5x2.0x0.4mm) and integrates a high-sensitivity Hall effect sensor for commutation. It supports open-loop speed control via PWM input and includes diagnostic outputs such as Frequency Generator (FG). The component is designed for consumer applications including IT equipment, home appliances, and industrial systems.
Feature Summary
- Integrated single-coil fan driver with built-in high-sensitivity Hall effect sensor
- Adaptive commutation control for low acoustic noise and high efficiency
- Programmable frequency generator output for speed monitoring
- Built-in power clamp protection for transient voltage suppression
Applications
- IT equipment cooling fans
- Home appliance blowers
- Industrial pump drives
Procurement Notes
Verify the specific suffix '049' against the requested '029', as datasheets indicate distinct configuration variants. Confirm the obsolete status (NRND) with the manufacturer or authorized distributors before finalizing design-in decisions. Ensure the UTDFN6 footprint matches the PCB layout requirements. Validate that the 960mA current limit meets the load specifications.
Selection Notes
Select this component for applications requiring compact size and low noise in single-coil fan control. The UTDFN6 package suits space-constrained designs. Verify compatibility with the system's PWM signal levels and the required FG output ratio. Consider the 3.2V to 32V operating range for various bus voltages. Evaluate if the open-loop control mode suffices or if closed-loop precision is needed.
Part Context
This part belongs to the MLX90411 family of single-coil fan drivers. It is the consumer-grade variant, distinguished from the automotive-grade MLX90411L series by its lack of AEC-Q100 certification. The KLD suffix denotes the UTDFN6 package type. It serves as a cost-effective solution for non-critical thermal management in consumer electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult Melexis directly for cross-reference recommendations or evaluate other members of the MLX90411 family with compatible pinouts.
