MAX6978APE+

LED Driver IC Overview

The MAX6978APE+ is an 8-port constant-current LED driver manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 3 V to 5.5 V and delivers up to 55 mA per channel. The device features integrated LED fault detection and linear shift register dimming capabilities. Packaged in a 16-pin PDIP format, it supports through-hole mounting and functions across an industrial temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Provides eight independent constant-current output channels for precise LED control
• Integrates hardware-based LED open-circuit and short-circuit fault detection
• Supports linear shift register interface for simplified serial data transmission
• Enables continuous analog dimming control across the full current range

LED Driver IC Applications

• LED signage and display systems
• Numeric and alphanumeric indicator panels
• Industrial control panel illumination
• Automotive interior lighting modules

LED Driver IC Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to limited availability status. Confirm package integrity and pin alignment against the 16-PDIP specification before integration. Review the official datasheet for handling precautions and thermal management requirements specific to high-density PCB layouts.

LED Driver IC Selection Notes

Select this component when eight synchronized constant-current outputs are required with built-in diagnostic capabilities. Ensure the application voltage remains within the 3 V to 5.5 V operational window. Consider the PDIP package constraints if surface-mount space is limited, and verify that the serial interface timing meets the system controller specifications.

LED Driver IC Part Context

This part belongs to the MAX697x family of LED drivers designed for multi-segment displays. It shares functional similarities with the MAX6977 but includes enhanced fault detection logic. The series targets applications requiring reliable LED regulation without complex external circuitry, offering a compact solution for multi-channel lighting control.

LED Driver IC Replacement Considerations

The MAX6977APE+ serves as a related variant within the same product family. Verify compatibility regarding fault detection features and interface protocols before substitution. Ensure the replacement part matches the required output current characteristics and physical package dimensions for seamless board integration.

LED Driver IC FAQ

What is the maximum output current per channel?

The device provides a constant current of up to 55 mA per channel.

Does the IC support LED fault detection?

Yes, it includes dedicated hardware for detecting open and shorted LED conditions.

What type of interface does the MAX6978APE+ use?

It utilizes a linear shift register interface for data input and control.