MAX6921AWI

Display Drivers Overview

The MAX6921AWI is a serial-interfaced vacuum fluorescent display (VFD) driver featuring twenty outputs capable of handling up to 76 volts. It operates on a single 3 V to 5.5 V supply with a maximum clock frequency of 5 MHz and supports output currents up to 75 mA. The device utilizes a 28-pin SOIC-Wide package, functions within a temperature range of -40°C to +125°C, and dissipates up to 842 mW.

Display Drivers Feature Summary

• Integrates twenty high-voltage outputs for direct VFD tube driving
• Supports serial interface communication with clock frequencies up to 5 MHz
• Provides robust thermal performance suitable for extended industrial environments

Display Drivers Applications

• Vacuum fluorescent display systems
• Industrial control panels
• Consumer appliance interfaces

Display Drivers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and temperature grade. Ensure the selected variant matches the required voltage and current specifications for the target application design.

Display Drivers Selection Notes

Select this component when designing systems requiring high-voltage VFD control via a serial interface. Confirm that the 28-pin wide SOIC package fits the PCB layout constraints and that the operating temperature range meets environmental requirements.

Display Drivers Part Context

This part belongs to the MAX6921 series of VFD drivers from Analog Devices / Maxim Integrated. It serves as a specialized power management IC designed specifically for managing the complex drive requirements of vacuum fluorescent displays in electronic equipment.

Display Drivers Replacement Considerations

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