STK672-070-E

Overview

The STK672-070-E is a unipolar stepper motor driver hybrid IC manufactured by onsemi. It features single-pole output configuration with a maximum IGBT collector current of 1.7A and a maximum collector-emitter voltage of 45V. The device operates within a supply voltage range of 4.75V to 5.25V and supports a typical switching frequency of 47kHz. Packaged in a 15-pin SIP format, it measures 46.6mm in length, 8.5mm in width, and 25.5mm in height. The component is designed for through-hole mounting and functions reliably at operating temperatures up to +150°C.

Feature Summary

• Unipolar output configuration for stepper motor control
• Integrated overcurrent and overheat detection capabilities
• Supports Schmitt trigger input for low-level signal compatibility

Applications

• Office photocopiers
• Printers
• X-Y plotters

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical characteristics and pinout compatibility. Confirm that the requested unit matches the required thermal rating and package dimensions for the target application board. Ensure compliance with relevant environmental standards before finalizing procurement orders.

Selection Notes

Select this component when a unipolar drive topology is required for stepper motors with currents up to 1.7A. Consider the 15-pin SIP package constraints and the 45V voltage rating during circuit design. Evaluate the thermal management requirements given the high maximum operating temperature specification and the physical dimensions of the module.

Part Context

This part belongs to the STK672 series of thick-film hybrid integrated circuits designed for microstep operation support. These drivers utilize MOSFET power devices to achieve high torque with low vibration and noise. The series is engineered for simple control circuits while providing robust protection features essential for precision motion control applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.