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Product Detailed Parameters
- Description：IC FAN DRIVER 40V 330MA 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：-
- Technology：-
- Step Resolution：-
- Applications：-
- Current - Output：800mA
- Voltage - Supply：3.2V ~ 32V
- Voltage - Load：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Grade：Automotive
- Qualification：-
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Overview
The MLX90411LZE-BAB-043-RE is an automotive-grade, low-noise single-coil fan driver from Melexis. It integrates a high-sensitivity Hall effect sensor and power stage in a SOT-23-6 package. Key electrical parameters include a maximum output current of 330mA, a supply voltage range of 3.2V to 32V, and a 40V integrated power clamp. The device supports open-loop speed control with a 1/16 FG ratio and operates within a junction temperature range of -40°C to 150°C.
Feature Summary
- Integrates a high-sensitivity Hall effect sensor for precise commutation
- Features a 40V integrated power clamp for robust transient protection
- Supports open-loop speed control with programmable frequency generator ratios
- Provides adaptive commutation options for low acoustic noise and high efficiency
Applications
- Automotive LED headlight cooling fans
- Vehicle seat ventilation systems
- Sensor cooling applications
- Multimedia GPU thermal management
Procurement Notes
Verify the specific suffix 'BAB' against official datasheets to confirm the 40V clamp and 330mA current limit configuration. Confirm AEC-Q100 qualification status for the target automotive environment. Check moisture sensitivity level (MSL) requirements for surface-mount assembly processes. Ensure compatibility with the intended 12V or 24V vehicle battery architecture.
Selection Notes
Select this component when a compact SOT-23-6 footprint is required for automotive fan control. Choose this variant over UTDFN packages if through-hole or standard SMD reflow compatibility is preferred. Verify that the 330mA current rating meets the load requirements of the specific fan or pump application. Consider the 40V clamp capability for direct connection to vehicle batteries without external TVS diodes.
Part Context
This part belongs to the MLX90411 family of single-coil fan drivers designed for automotive thermal management. It complements other variants like the LLD series which offer different packaging or current ratings. The family focuses on integrating sensing and driving capabilities to reduce system complexity and acoustic noise in vehicle cooling solutions.
Replacement Considerations
Consult official substitution guides for equivalent Melexis parts with matching voltage and current ratings. Verify pin-to-pin compatibility if replacing existing designs. Ensure any substitute maintains AEC-Q100 certification for automotive reliability.
