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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：-
Download product information
Overview
The MLX90411LZE-BAH-043-RE is an automotive-grade, single-coil fan driver from Melexis. It integrates a high-sensitivity Hall effect sensor and power stage for low-noise operation. The device supports a supply voltage range of 3.2V to 40V with a current limit of 330mA. It features adaptive commutation for efficiency across the speed range and offers open-loop PWM speed control. The component is housed in a SOT-23-6 package and complies with AEC-Q100 standards.
Feature Summary
- Integrates a high-sensitivity Hall effect sensor for precise rotor position detection
- Adaptive commutation technology ensures optimal efficiency and low acoustic noise
- Built-in 40V power clamp protects against motor back-EMF without external TVS diodes
- Supports open-loop PWM speed control with flexible minimum point transfer curves
Applications
- Automotive cabin cooling fans
- Engine compartment ventilation blowers
- Battery thermal management pumps
- Heater core flow control valves
Procurement Notes
Verify the specific suffix 'BAH' configuration against the official Melexis datasheet to ensure compatibility with your system's voltage and control requirements. Confirm that the SOT-23-6 package dimensions match your PCB footprint. Check for any export restrictions or additional documentation required for this automotive-grade component before finalizing procurement orders.
Selection Notes
Select this part when a compact, low-noise solution is required for 12V or 24V automotive fan applications. The 330mA current limit suits smaller fans under 15W. Ensure the design utilizes the integrated 40V clamp feature to simplify the bill of materials. Verify that the open-loop control mode meets the application's speed regulation accuracy needs.
Part Context
This component belongs to the MLX90411 family of single-coil fan drivers designed for automotive environments. It differs from consumer versions by offering higher reliability and specific automotive qualification. The LZE variant indicates the SOT-23-6 packaging option, distinguishing it from UTDFN packages used in other series members.
Replacement Considerations
MLX90411LZE-BAA-043-RE shares similar electrical characteristics but may differ in specific ordering suffix configurations. Verify pinout and functional equivalence before substitution. No direct cross-references are publicly confirmed for this exact suffix.
