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Product Detailed Parameters
- Description：MICRO-STEPPING MOTOR DRIVER MICR
- Series：-
- Mfr：onsemi
- Package：Bulk
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：Brushed DC
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (2)
- Interface：SPI, Step/Direction
- Technology：NMOS, PMOS
- Step Resolution：1, 1/2, 1/4, 1/8, 1/16
- Applications：Industrial, Medical
- Current - Output：1.1A
- Voltage - Supply：6V ~ 29V
- Voltage - Load：0V ~ 5.5V
- Operating Temperature：-40°C ~ 145°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：24-VQFN Exposed Pad
- Supplier Device Package：24-QFN (5x5)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The NCV70516MW1BR2G is a bipolar stepper motor driver from onsemi, designed for automotive and industrial applications. It integrates control logic and power stages in a fully integrated solution. The device supports SPI and step/direction interfaces, offering programmable microstepping resolution from full step to 1/16. It operates with a supply voltage range of 6V to 29V and delivers an output current of 1.1A. The component is housed in a 24-QFNW (5x5) package with exposed pad for thermal management.
Feature Summary
- Fully integrated driver with control and power stages
- Supports SPI and Step/Direction interfaces
- Programmable microstepping resolution up to 1/16
- Automotive grade qualification with AEC-Q101 certification
Applications
- Automotive seat adjustment systems
- Industrial automation actuators
- Medical device positioning mechanisms
Procurement Notes
Verify the specific suffix 'B' against official datasheets, as standard listings often use 'R'. Confirm package type and temperature grade match project requirements. Ensure AEC-Q101 compliance is documented for automotive integration. Check RoHS status and REACH declarations for regulatory adherence.
Selection Notes
Select this component for bipolar stepper motor control requiring high integration. Consider the 1.1A output current limit and 29V maximum supply voltage. Evaluate the 24-QFNW package for thermal performance and PCB space constraints. Verify interface compatibility with the host controller's SPI or step/direction capabilities.
Part Context
This part belongs to the NCV70516 series of bipolar stepper motor drivers. It is designed for robust operation in harsh environments, featuring automotive-grade reliability. The series offers a compact solution for precise motion control applications where size and integration are critical factors.
Replacement Considerations
Check for NCV70516MW1AR2G as a potential variant. Verify if the suffix difference indicates a packaging or temperature grade change rather than functional alteration. Consult official substitution lists for confirmed equivalents.
