MAX6956AAX+T

Updated: 2026-09-17

Overview

The MAX6956AAX+T is a high-performance LED display driver IC developed by Maxim Integrated. It is designed to simplify the control of LED matrices and segmented displays, offering a compact solution with minimal external components. This IC is particularly suited for applications requiring high brightness and efficient power management. With its serial interface, the MAX6956AAX+T allows for easy integration into various systems, including industrial instrumentation, digital signage, and automotive dashboards. Its robust design ensures reliable performance even in demanding environments.

Structure and Working Principle

The MAX6956AAX+T integrates a shift register, latch, and driver circuitry to control up to 16 digits of 7-segment displays or 8x8 LED matrices. It communicates via a 4-wire SPI-compatible interface, enabling seamless data transfer from a microcontroller or host system. The IC operates by converting serial input data into parallel outputs that drive the LEDs. It includes features like programmable current control and blinking modes, providing flexibility in display design. Internal circuitry ensures consistent brightness across all LEDs, even with varying supply voltages.

Key Features

The MAX6956AAX+T stands out for its high efficiency, with programmable LED current up to 40mA per segment. It supports a wide supply voltage range (2.7V to 5.5V), making it versatile for different power systems. The IC also includes thermal overload protection to prevent damage during extended use. Additional features include a low-power shutdown mode and software-controlled display blinking. These capabilities make the IC suitable for battery-powered applications where energy conservation is critical. The device is available in a compact 36-pin SSOP package for space-constrained designs.

Application Areas

This driver IC is commonly used in industrial control panels, where it drives status indicators and numerical displays. Its reliability and wide operating temperature range (-40°C to +85°C) make it ideal for harsh environments. In commercial applications, the MAX6956AAX+T is found in digital signage, scoreboards, and information displays. Automotive systems also benefit from its robust performance, using it for dashboard instruments and warning lights. The IC's flexibility allows it to adapt to various LED configurations.

Maintenance and Precautions

When integrating the MAX6956AAX+T, ensure proper PCB layout to minimize noise and thermal issues. Adequate heat sinking may be required for high-current applications. The IC's exposed pad should be soldered to a ground plane for optimal thermal performance. Avoid exceeding the absolute maximum ratings for supply voltage and output current. Use decoupling capacitors close to the power pins to ensure stable operation. Follow ESD precautions during handling to prevent damage to the sensitive IC components.

B2B Procurement Guide

When sourcing the MAX6956AAX+T, verify the supplier's authorization status to ensure genuine Maxim Integrated products. Consider purchasing from franchised distributors to avoid counterfeit components. Minimum order quantities typically apply, with bulk pricing available for larger volumes. Evaluate lead times carefully, as specialized ICs may have longer delivery periods. Request samples for prototyping before committing to large orders. Check for compliance with relevant industry standards (RoHS, REACH) if required for your application.