MAX6979ANG

LED Driver IC Overview

The MAX6979ANG is a 16-port LED driver IC manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 3 V to 5.5 V and provides constant current output up to 55 mA per channel. The device features a 24-pin PDIP package with through-hole mounting. It supports an operating temperature range from -40°C to +125°C and includes internal oscillator functionality for clock generation.

LED Driver IC Feature Summary

• Provides 16 independent constant-current outputs for precise LED control
• Integrates internal oscillator to eliminate external timing components
• Supports serial interface communication for configuration and data transfer

LED Driver IC Applications

• LED matrix displays
• Seven-segment numeric displays
• Bar graph indicators

LED Driver IC Procurement Notes

Verify the specific package type, as the MAX6979 series includes both TSSOP and PDIP variants. Confirm that the ANG suffix corresponds to the 24-pin DIP package required for your board layout. Ensure compatibility with your system's voltage levels and thermal requirements before finalizing procurement.

LED Driver IC Selection Notes

Select this component when a high number of LED channels are needed in a single package. The PDIP package is suitable for prototyping or applications requiring through-hole assembly. Consider the maximum current rating and thermal dissipation capabilities relative to the total number of active LEDs in the design.

LED Driver IC Part Context

This part belongs to the MAX6979 family of LED drivers designed for multiplexed display applications. It simplifies design by integrating current regulation and serial interfaces into a compact form factor, reducing the need for external transistors or resistors typically required in discrete LED driving circuits.

LED Driver IC Replacement Considerations

Check for direct pin-compatible alternatives within the same manufacturer's portfolio. Verify that any substitute maintains the 16-channel architecture and similar current specifications to ensure functional equivalence without redesigning the host circuitry.

LED Driver IC FAQ

What is the maximum output current per channel?

The MAX6979ANG provides a constant current output of up to 55 mA per channel.

Does the device require an external clock source?

No, the MAX6979ANG includes an internal oscillator, eliminating the need for an external clock component.