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Product Detailed Parameters
- Description：IC MOTOR DRIVER SOT25
- Series：-
- Mfr：Melexis Technologies NV
- Package：Tape & Reel (TR)
- 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：SOT-23-5 Flat Leads
- Supplier Device Package：SOT-25
- Grade：-
- Qualification：-
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Overview
The Melexis US90AEZE-AAA-000-RE 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 or 24 V. The device delivers an output current of 20 mA with a quiescent supply current of 2 mA. It features two outputs capable of handling up to 100 V and functions reliably across a temperature range of -40 °C to +125 °C. Packaged in a SOT-23-5 surface-mount format, this component serves as an integrated solution for driving small BLDC motors.
Feature Summary
- Integrated control and power stage for two-coil BLDC fan applications
- Supports 12 V and 24 V load voltage configurations
- Operates reliably in high-temperature environments up to 125 °C
Applications
- Fan motor drivers
- Brushless DC motor control systems
- Small pump drives
Procurement Notes
This part number is designated as Not Recommended for New Designs (NRND). Verify availability through authorized distributors, as stock may be limited. Confirm that the SOT-23-5 package and electrical specifications align with existing design requirements before procurement. Check for end-of-life notices or mandatory minimum order quantities associated with remaining inventory batches.
Selection Notes
Select this component for applications requiring a dedicated two-coil driver for small BLDC fans operating at 12 V or 24 V. Ensure the design accommodates the 20 mA output current limit and the specified thermal range. Consider the NRND status when planning long-term production runs, as alternative solutions from the US91A series or other Melexis motor drivers may be more suitable for new implementations.
Part Context
The US90AEZE-AAA-000-RE belongs to the US90A/US91A family of motor controllers and drivers manufactured by Melexis. These devices are categorized under PMIC and Motor/Motion/Ignition Controllers. The specific suffix indicates a reel packaging configuration in a SOT-23-5 package, distinguishing it from bulk or tape-and-reel variants with different pinouts or performance characteristics.
Replacement Considerations
The US91AEZE-AAA-000-RE is a related variant within the same product family. Verify pin compatibility and electrical parameter differences before substitution. Consult official Melexis documentation to confirm if the US91A series offers improved performance or updated manufacturing status for replacement purposes.
