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Product Detailed Parameters
- Description：1-COIL PWM 3.3 18V 960MA CURRENT
- Series：-
- Mfr：Melexis Technologies NV
- Package：Tape & Reel (TR)
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Driver
- Output Configuration：-
- Interface：PWM
- Technology：-
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：600mA
- Voltage - Supply：3.3V ~ 18V
- Voltage - Load：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：10-VFDFN Exposed Pad
- Supplier Device Package：10-DFN (3x3)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The MLX90297KLW-ABF-109-RE is a single-chip fan driver designed for driving single-coil DC brushless motors (BLDC). It integrates a voltage regulator, Hall sensor with offset elimination, and a power H-bridge. The device supports a supply voltage range of 3.3 V to 18 V and delivers an output current of 960 mA. Speed control is achieved via PWM input signals, while the speed curve is configured using external resistors. It features AEC-Q100 qualification and 9 kV HBM ESD protection.
Feature Summary
- Integrates single-coil fan driver with low BOM cost and half-size single-layer PCB capability
- High magnetic sensitivity with wide operating voltage range from 3.3 V to 18 V
- Configurable speed curve through adjustment of external resistors
Applications
- Consumer electronics cooling systems
- Single-coil DC brushless motor drives
- Fan and pump applications requiring configurable speed curves
Procurement Notes
Verify the specific suffix 'RE' against official Melexis documentation to confirm reel packaging specifications. Confirm the component status as NRND (Not Recommended for New Designs) to assess long-term availability risks. Ensure the DFN10 3x3 package matches the design footprint requirements before finalizing procurement decisions.
Selection Notes
Select this component when a single-coil BLDC driver with resistor-configurable speed curves is required. It is suitable for applications needing 960 mA output within a 3.3 V to 18 V supply range. Consider the NRND status for new designs and evaluate alternative drivers if long-term production stability is critical.
Part Context
This part belongs to the MLX90297 family of single-chip fan drivers from Melexis. These devices utilize mixed-signal CMOS technology to integrate Hall sensing and power output stages. The MLX90297 series is optimized for consumer applications, offering high integration to reduce system size and cost while maintaining reliable operation in fan and pump environments.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Due to the NRND status, consult Melexis directly for potential obsolescence management or recommended alternatives.
