Maxim Integrated MAX6922AQH+ Overview

The MAX6922AQH+ is a high-performance, 12-channel, serially interfaced vacuum fluorescent display (VFD) tube driver from Maxim Integrated. This integrated circuit (IC) is designed to interface microprocessors to VFDs, providing a simple and efficient solution for driving VFD tubes in a variety of applications, including industrial control systems, point-of-sale terminals, and consumer electronics.

Key Features

• High Voltage Outputs: The MAX6922AQH+ is capable of operating with output voltage up to 76V, making it suitable for most VFD panels.
• Serial Interface: It features a 3-wire serial interface that reduces the number of microcontroller I/O lines needed for display control, thereby simplifying design and saving valuable I/O resources.
• 12-Channel Output: With 12 high-voltage output channels, this IC can drive multiple segments or grids, allowing for versatile display configurations.
• Individual LED Control: Each channel can be individually controlled, providing flexibility in creating dynamic display patterns and effects.
• High Efficiency: The MAX6922AQH+ includes built-in scan limiting and blanking, which helps to reduce power consumption and extend the life of the VFD.
• Durable Design: It is designed to withstand the demands of continuous operation in a wide range of environmental conditions.

Applications

The MAX6922AQH+ is ideally suited for applications requiring high-voltage output capabilities and detailed control over display elements. It is commonly used in:

• Industrial control panels
• Automotive dashboards and infotainment systems
• Home entertainment systems
• Medical equipment
• Point-of-sale terminals

Package and Quality

The MAX6922AQH+ comes in a 44-pin QFN package, offering a compact footprint for space-constrained applications. Maxim Integrated ensures high-quality and reliability, making the MAX6922AQH+ a trusted choice for driving vacuum fluorescent displays in your next project.