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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-BAE-043-RE is an automotive-grade, single-coil fan driver manufactured by Melexis Technologies NV. It integrates a high-sensitivity Hall effect sensor and power stage within a compact SOT-23-6 package. The device supports a supply voltage range of 3.2V to 40V and features a current limit of 330mA. Designed for low-noise operation, it includes adaptive commutation control and programmable speed regulation via I2C interface with onboard EEPROM configuration.
Feature Summary
- Integrated high-sensitivity Hall effect sensor for precise rotor position detection
- Adaptive commutation control for optimized efficiency and acoustic noise reduction
- Programmable speed control via I2C interface with onboard EEPROM storage
- Built-in protection mechanisms including over-current, over-voltage, and thermal shutdown
Applications
- Automotive LED headlight cooling fans
- Vehicle seat ventilation systems
- Sensor cooling applications in automotive electronics
- Multimedia GPU cooling in automotive infotainment systems
Procurement Notes
Verify the specific suffix 'BAE' against official Melexis documentation to confirm exact electrical parameters and pinout compatibility. Check AEC-Q100 qualification status and operating temperature range (-40°C to 150°C) for your specific application environment. Ensure I2C address and EEPROM configuration match your system requirements before integration.
Selection Notes
Select this component for applications requiring low acoustic noise and high reliability in automotive environments. The integrated Hall sensor eliminates external components, reducing board space. Consider the 330mA current limit for smaller fan motors. Verify that the 40V clamp rating suits your system's transient voltage conditions.
Part Context
This part belongs to the MLX90411 series of single-coil fan drivers from Melexis. The 'LZE' designation indicates the automotive grade variant housed in a SOT-23-6 package. This series is designed to replace traditional discrete motor driver solutions with a highly integrated, software-configurable alternative suitable for demanding automotive thermal management tasks.
Replacement Considerations
MLX90411LZE-AAA-043-RE
FAQ
What is the maximum supply voltage supported by this device?
The device supports a supply voltage range up to 40V, making it suitable for direct connection to 12V automotive battery systems with transient protection.
How is the motor speed controlled?
Speed control is achieved through the I2C interface, allowing for both open-loop PWM control and closed-loop speed regulation using feedback from the integrated Hall sensor.
