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Product Detailed Parameters
- Description：IC MOTOR DRIVER ON/OFF 8SOIC
- Series：-
- Mfr：Melexis Technologies NV
- Package：Bulk
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：-
- Interface：On/Off
- Technology：-
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：250mA
- Voltage - Supply：4.7V ~ 30V
- Voltage - Load：4.7V ~ 30V
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The Melexis US90AEDC-AAA-000-SP is a two-coil fan driver IC designed for brushless DC motor control. It operates within a supply voltage range of 4.7 V to 30 V and supports load voltages of 12 V and 24 V. The device features an output current capability of 250 mA continuous, with a maximum output voltage of 100 V. It functions across an industrial temperature range from -40 °C to +85 °C. Packaged in an SOIC-8 surface-mount format, the component integrates Hall effect sensing and dynamic offset correction for reliable fan operation.
Feature Summary
- Integrates high-sensitivity Hall effect sensor with dynamic offset correction
- Includes built-in locked rotor protection and automatic restart functionality
- Features power-efficient CMOS and power MOSFET technology
- Provides integrated output protection with clamp diodes
Applications
- Driving dual-coil brushless DC cooling fans
- Automotive LED headlight cooling systems
- Industrial equipment thermal management
- Consumer electronics ventilation solutions
Procurement Notes
Verify the specific suffix 'SP' against official Melexis documentation to confirm package type and tape/reel specifications. Confirm end-of-life or not-recommended-for-new-design status prior to integration. Ensure compatibility with existing PCB footprint and thermal requirements during procurement validation.
Selection Notes
Select this component for applications requiring robust two-coil fan driving with integrated protection features. Consider the SOIC-8 package for surface-mount assembly needs. Evaluate the 250 mA continuous output current against the target fan's operational requirements. Verify that the 4.7 V to 30 V supply range aligns with the system power architecture.
Part Context
This part belongs to the US90A series of two-coil fan drivers from Melexis. The series offers various package options including SIP and SMD formats. The US90AEDC variant specifically denotes the SOIC-8 package configuration. This family targets cost-effective, reliable cooling solutions for diverse electronic environments.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided data. Consult Melexis official resources for potential cross-reference alternatives if this specific part number is discontinued or unavailable.
