US91AEZE-AAA-000-SP

Overview

The US91AEZE-AAA-000-SP is a two-coil fan driver from the US90A/US91A series, designed for brushless DC motor control. It operates on a supply voltage range of 4.7 V to 30 V and supports load voltages of 12 V or 24 V. The device features two outputs with a maximum output voltage of 100 V and an output current of 20 mA. It functions within a temperature range of -40 °C to +125 °C and is housed in an SOT-23-5 package.

Feature Summary

• Integrated Hall IC for fan driver applications
• Two-coil architecture for BLDC motor control
• Supports 12 V and 24 V load voltage ratings

Applications

• Fan motor drivers
• Brushless DC motor control systems

Procurement Notes

Verify component authenticity through authorized Melexis distributors. Confirm RoHS compliance status via official documentation. Check for AEC-Q100 qualification if automotive use is required. Ensure the SOT-23-5 package matches PCB footprint requirements. Validate operating temperature range against system thermal constraints.

Selection Notes

Select this driver for low-current two-coil BLDC fan applications requiring integrated sensing. Compare against single-coil alternatives like MLX90411 for higher current needs. Consider the US90A series for similar functionality. Verify interface compatibility and thermal performance for the specific enclosure design.

Part Context

Part of the US90A/US91A family of motor controllers. Designed for compact fan and pump solutions. Integrates control and power stages. Targets consumer and industrial cooling applications.

Replacement Considerations

Check US90AEZE-AAA-000-SP for pin-compatible alternative. Review US91AEVA-AAA-000-BU for different packaging options.