STI7167 Advanced STB Decoder With Integrated DVB-T/DVB-C Demodulator

The STK672-050 is a unipolar constant-current chopper-type externally-excited 4-phase stepping motor driver hybrid integrated circuit (IC) that utilizes MOSFET power devices. It features a built-in microstep operation-supported 4-phase distributed controller, enabling the realization of a high torque, low vibration, and low noise stepping motor driver with a straightforward control circuit. This component is produced by Sanyo Semiconductor Corporation.

The STK672-050 stepping motor driver is designed for precision control of unipolar stepping motors, making it ideal for applications that require accurate positioning and smooth operation. The hybrid IC integrates both analog and digital functionalities, allowing for efficient control of the motor phases. The use of MOSFET devices enhances the efficiency and thermal performance of the driver, contributing to its low noise and vibration characteristics.

The microstepping capability of the STK672-050 allows for finer control of the motor's position by dividing each full step into smaller microsteps. This results in smoother motion and improved resolution, which is particularly beneficial in applications such as robotics, CNC machinery, and precision positioning systems. The built-in 4-phase distributed controller simplifies the design of the control circuitry, as it handles the timing and sequencing of the motor phases internally.

The driver operates with a constant current control scheme, which ensures that the motor receives a consistent current regardless of variations in supply voltage or load conditions. This feature is crucial for maintaining performance and reliability in demanding applications. The STK672-050 is compatible with a wide range of unipolar stepping motors, making it a versatile solution for various engineering challenges.

In summary, the STK672-050 stepping motor driver by Sanyo Semiconductor Corporation is a sophisticated, efficient, and user-friendly solution for driving unipolar stepping motors, offering advanced features such as microstepping and constant current control, which enhance performance and ease of integration into complex systems.The STK672-050 is a unipolar constant-current chopper- type externally-excited 4-phase stepping Motor Driver hybrid IC which uses MOSFET power devices. It has a microstep operation-supported 4-phase distributed con- troller built-in to realize a high torque, low vibration, low noise stepping Motor Driver using a simple control circuit.

By Sanyo Se miconductor Corporation 🔗 External reference