The MAX6921AQI+ from Maxim Integrated is a state-of-the-art Vacuum Fluorescent Display (VFD) tube driver, designed to interface microprocessors to VFDs with up to 20 digits. This advanced driver IC is housed in a robust 28-pin SSOP package, providing a compact and reliable solution for driving VFD tubes.

Key Features

• Multiple Digit Support: Capable of driving up to 20 VFD tube digits, this driver is versatile for a wide range of display applications.
• Serial Interface: The MAX6921AQI+ features a serial interface that minimizes the number of microprocessor I/O lines required for operation, allowing for simpler and more efficient design integration.
• High Voltage Output: With an output voltage of up to 76V, it can easily drive VFD tubes, which typically require higher voltages for proper operation.
• Mixed Voltage Operation: It operates from a +4.5V to +5.5V logic supply and a +10V to +76V VFD supply, accommodating a variety of power environments.
• Output Current: Each output can sink up to 45mA, making it suitable for driving a wide range of VFD segments and grids.

Applications

The MAX6921AQI+ is ideal for a variety of applications where VFD technology is utilized, including:

• Consumer Electronics
• Industrial Displays
• Medical Instruments
• POS Terminals
• Automotive Displays

Design and Integration

Integrating the MAX6921AQI+ into your design is straightforward, thanks to its user-friendly serial interface and the comprehensive support provided by Maxim Integrated. Designers can take advantage of detailed datasheets, application notes, and Maxim's technical support to ensure a seamless integration into their projects.

Quality and Reliability

Maxim Integrated is known for its commitment to quality and reliability, and the MAX6921AQI+ is no exception. This driver IC is built to meet the high standards expected by industry professionals, ensuring long-term performance and stability in your VFD applications.