LV8772-E

Overview

The LV8772-E is a bipolar stepper motor driver IC from onsemi, designed for PWM constant-current control. It supports micro-step drive and 4W 1-2 phase excitation modes. The device operates with a maximum supply voltage of 32 V and delivers an output current of 2.5 A. It is housed in a 28-pin PDIP package and functions within a temperature range of -20 °C to +85 °C.

Feature Summary

• Supports micro-step drive capabilities
• Enables 4W 1-2 phase excitation operation
• Utilizes PWM constant-current control architecture

Applications

• Stepper motor control systems
• Motion controller development
• Bipolar motor driver evaluation

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm package integrity and pin configuration against the 28-pin PDIP specification. Ensure thermal management aligns with the 3 W power dissipation rating during operation.

Selection Notes

Select this component for applications requiring precise micro-stepping resolution in bipolar stepper motors. Consider the 32 V limit and 2.5 A current capacity when designing power stages. Evaluate thermal performance relative to the specified operating temperature range.

Part Context

This part belongs to onsemi's motor driver family, specifically targeting stepper motor applications. It complements other motion control solutions by providing dedicated hardware for constant-current regulation and excitation mode flexibility in industrial automation contexts.

Replacement Considerations

No public confirmed substitute part numbers are available. The manufacturer indicates end-of-life status; verify compatibility with existing PCB layouts if sourcing alternative drivers.

FAQ

What excitation modes does the LV8772-E support?

It supports 4W 1-2 phase excitation modes.

Is the LV8772-E suitable for micro-stepping applications?

Yes, the device is capable of micro-step drive.