MAX6955AAX+

Display Drivers Overview

The MAX6955AAX+ is an LED display driver manufactured by Analog Devices Inc./Maxim Integrated, housed in a 36-pin SSOP package. It supports up to 16 digits and 128 segments with a 2-wire serial interface. Operating voltage ranges from 2.7 V to 5.5 V, with maximum supply current of 30 mA. High-level output current is 55 mA, while low-level sink current reaches 935 mA. Power dissipation is rated at 941 mW. The device functions within a temperature range of -40°C to +125°C.

Display Drivers Feature Summary

• Supports multiplexed LED displays with up to 16 digits and 128 segments via a 2-wire serial interface.
• Provides high-current sinking capability for direct LED drive without external transistors.
• Includes internal oscillator and programmable blink rates for display control.

Display Drivers Applications

• Multiplexed numeric and alphanumeric LED displays
• Industrial instrumentation panels
• Consumer appliance control interfaces

Display Drivers Procurement Notes

Verify the exact suffix (e.g., AAX+) against the manufacturer's official datasheet to confirm pinout and electrical specifications. Confirm RoHS compliance status through authorized distributors or the manufacturer's website. Ensure the SSOP-36 package matches your PCB footprint requirements before ordering.

Display Drivers Selection Notes

Select this component when driving large multiplexed LED arrays requiring high sink current. Compare against the MAX6954 if fewer segments are needed. Verify that the 2-wire interface compatibility matches the host microcontroller. Check thermal performance given the 941 mW power dissipation rating in the SSOP-36 package.

Display Drivers Part Context

The MAX6955 belongs to the Maxim Integrated LED Display Driver family, designed for simplifying the interface between microcontrollers and complex LED displays. It integrates necessary drivers and control logic into a single IC, reducing board space and component count compared to discrete solutions.

Display Drivers FAQ

What is the maximum segment sink current?

The MAX6955AAX+ can sink up to 935 mA per segment.

Does the device support global intensity control?

Yes, the MAX6955 includes registers for setting global LED intensity levels.