The MAX6956AAX+ is a versatile, programmable LED display driver and I/O expander from Maxim Integrated that provides an optimal solution for controlling up to 28 segment digits or 20 individual LEDs. This device is housed in a 36-pin SSOP package, making it a compact choice for space-constrained applications.

Key Features

• Multiple Display Modes: The MAX6956AAX+ supports both common-cathode and common-anode 7-segment displays, providing flexibility for various design requirements.
• Integrated Multiplexing: With built-in multiplexing for LED display, the device minimizes the need for external components, reducing system complexity and BOM cost.
• I2C-Compatible Serial Interface: The inclusion of an I2C-compatible serial interface allows for simple integration into existing designs and easy communication with microcontrollers.
• Individual LED Control: Each LED can be individually controlled for on/off, blinking, and intensity, offering a high level of customization for user interfaces.
• Adjustable Current Control: The device features programmable LED current for brightness control, ensuring consistent light output across all LEDs.
• Low Power Consumption: Designed with power efficiency in mind, the MAX6956AAX+ is suitable for battery-powered devices.
• Built-in Key Scan: The device can scan up to 8x8 keys, eliminating the need for a separate key-scan controller.

Applications

The MAX6956AAX+ is ideal for a wide range of applications that require LED indicators or displays, such as:

• Industrial Control Panels
• Instrumentation
• Set-Top Boxes
• Portable Equipment
• Automotive Controls
• Communication Devices

Reliability and Support

Maxim Integrated is known for its commitment to quality and reliability. The MAX6956AAX+ is no exception, offering robust performance and long-term reliability for critical applications. Additionally, Maxim provides comprehensive technical support and documentation to assist with design and integration challenges.