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Product Detailed Parameters
- Description：IC MTR DRVR BIPOLAR 6-29V 32QFN
- Series：-
- Mfr：onsemi
- Package：Tube
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (4)
- Interface：SPI, Step/Direction
- Technology：Power MOSFET
- Step Resolution：1 ~ 1/32
- Applications：General Purpose
- Current - Output：-
- Voltage - Supply：6V ~ 29V
- Voltage - Load：6V ~ 29V
- Operating Temperature：-45°C ~ 175°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：32-VFQFN Exposed Pad
- Supplier Device Package：32-QFNW (5x5)
- Grade：-
- Qualification：-
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Overview
The NCV70514MW003G is a bipolar stepper motor driver manufactured by onsemi, designed for automotive and industrial applications. It operates within a supply voltage range of 6 V to 29 V and supports an operating temperature range from -40 °C to +125 °C. The device is housed in a 32-lead QFN package (NQFP-32) suitable for surface-mount installation. It holds AEC-Q100 qualification, ensuring reliability under stringent automotive standards. The component integrates micro-stepping capabilities and includes internal voltage regulation for stable performance.
Feature Summary
- Integrated micro-stepping functionality for precise motion control
- AEC-Q100 qualified for automotive environment reliability
- Internal voltage regulator for consistent operation
Applications
- Automotive seat adjustment systems
- Vehicle door lock actuators
- Industrial automation positioning
Procurement Notes
Verify the specific suffix MW003G against official documentation to confirm pinout and thermal pad configuration. Confirm current availability status as distribution channels may list end-of-life or discontinuation notices. Ensure compatibility with the target PCB footprint and thermal management requirements before finalizing procurement.
Selection Notes
Select this component when bipolar stepper motor control is required in space-constrained designs. The 32-QFN package offers a compact solution compared to larger packages. Verify that the 6 V to 29 V input range matches the system power architecture. Consider the AEC-Q100 qualification if the application demands automotive-grade reliability standards.
Part Context
This part belongs to the NCV70514 series of stepper motor drivers from onsemi. The series provides integrated solutions for controlling bipolar stepper motors in various applications. The NCV70514MW003G variant specifically denotes the micro-step capability and the 32-QFN package type within this product family.
Replacement Considerations
Check for direct substitutes within the NCV70514 series with different suffixes for package variations. Verify cross-reference data from distributors for equivalent parts with identical pinouts and electrical characteristics.
