RS8837YK

Overview

The RS8837YK is a bipolar stepper motor driver manufactured by Runic Technology, housed in an 8-SOIC package. It integrates control and power stages for NMOS logic and PWM interfaces. The device supports a supply voltage range of 2.5V to 7V and drives loads from 0V to 14V with a peak output current of 1.8A. Operating temperatures span from -40°C to 85°C (TA). It features two half-bridge outputs designed specifically for driving bipolar stepper motors.

Feature Summary

• Integrates full control and power stages for simplified system design
• Supports bipolar stepper motor applications via dedicated interface
• Compatible with NMOS logic and PWM signal inputs

Applications

• Camera mechanisms
• Bipolar stepper motor control systems

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and variant selection. Confirm RoHS3 compliance and moisture sensitivity level requirements prior to integration. Cross-reference the datasheet for exact pinout configurations and thermal management specifications relevant to the target PCB layout.

Selection Notes

Select this component when designing circuits requiring integrated bipolar stepper motor drive capabilities within a compact surface-mount form factor. Ensure the application voltage remains within the specified 2.5V to 7V range and that load conditions do not exceed the 14V limit. Verify compatibility with the host controller's NMOS logic levels and PWM frequency requirements.

Part Context

This part belongs to the Runic Technology portfolio of power management ICs, specifically categorized under motor drivers and controllers. It serves as a specialized solution for embedded motion control tasks, distinguishing itself through its integrated half-bridge architecture tailored for bipolar stepper motors rather than generic DC or AC drive applications.

Replacement Considerations

No public substitute part numbers are confirmed in the available documentation.