MAX6968AAE+

LED Driver IC Overview

The MAX6968AAE+ is an 8-port, constant-current LED driver manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates on a 3V to 5.5V supply and features eight open-drain sinking outputs rated at 5.5V. The device utilizes a 25Mb industry-standard 4-wire serial interface for control. Constant-current outputs are programmable up to 55mA via a single external resistor. It is housed in a 16-pin SSOP package with SMD/SMT mounting style. The component supports a wide operating temperature range from -40°C to +125°C and has a maximum power dissipation of 571 mW.

LED Driver IC Feature Summary

• Provides eight independent constant-current sinking outputs for LED segments
• Supports flexible power-up sequencing between the IC supply and LED supplies
• Utilizes a high-speed 25Mb industry-standard 4-wire serial interface
• Features single-resistor programming for uniform current across all ports

LED Driver IC Applications

• LED segment display drivers
• Automotive instrument cluster displays
• Industrial control panel indicators
• Consumer electronics status displays

LED Driver IC Procurement Notes

Verify the specific suffix (e.g., +T for reel packaging) against design requirements, as the base part number typically denotes tube packaging. Confirm RoHS compliance status through official manufacturer documentation, as regulatory details may vary by production batch. Ensure the selected variant matches the required thermal performance and interface speed for the target application environment.

LED Driver IC Selection Notes

Select this component when an 8-segment display requires precise constant-current regulation without complex multiplexing. The 5.5V output rating allows direct driving of higher voltage LED strings. Consider the 25Mb serial interface speed if system latency is critical. Verify that the SSOP-16 footprint fits within the available PCB area and that the thermal dissipation capabilities meet the enclosure constraints.

LED Driver IC Part Context

The MAX6968 belongs to the MAX6968 series of LED display drivers designed for applications requiring multiple segment outputs. It simplifies the interface between microcontrollers and LED arrays by handling current regulation internally. The series is known for robust operation in automotive and industrial environments, offering reliable performance across wide temperature ranges and varying supply conditions.

LED Driver IC Replacement Considerations

The MAX6968AAE+T is a verified substitute offering identical electrical characteristics but packaged in a tape-and-reel format instead of tubes. This variant is suitable for automated surface-mount assembly processes. Other family members may share pinouts but differ in port count or voltage ratings; verify datasheet specifications before substitution.