MAX6971AUG+

LED Driver IC Overview

The MAX6971AUG+ is a 16-port constant-current LED driver IC manufactured by Analog Devices Inc./Maxim Integrated. It utilizes a boost topology to drive LEDs with an output voltage up to 36V and a maximum output current of 55mA per channel. The device operates on a supply voltage range of 3V to 5.5V and features linear shift register dimming control. It is housed in a 24-TSSOP surface-mount package and supports through-hole or SMD/SMT mounting styles depending on the specific variant configuration.

LED Driver IC Feature Summary

• Provides 16 independent constant-current channels for uniform LED illumination
• Integrates a boost converter topology to support high-voltage LED strings
• Enables precise brightness control via linear shift register dimming interface

LED Driver IC Applications

• General LED lighting systems requiring multi-channel current regulation
• Display backlighting applications utilizing series-connected LED arrays
• Industrial indicator panels needing high-voltage LED driving capabilities

LED Driver IC Procurement Notes

Verify the exact package type and suffix against official Analog Devices documentation, as variations exist between DIP and TSSOP formats. Confirm RoHS compliance status and lead times directly with authorized distributors, as availability may vary by region. Ensure the selected variant matches the required mounting style and thermal dissipation requirements for the target application environment.

LED Driver IC Selection Notes

Select this component when designing circuits that require simultaneous control of sixteen LED ports with consistent current levels. The integrated boost architecture simplifies design by eliminating external inductor selection for step-up applications. Consider the operating temperature range and power dissipation limits to ensure reliable performance under varying load conditions and ambient temperatures.

LED Driver IC Part Context

This part belongs to the MAX6971 family of LED drivers, designed for high-density lighting solutions. It complements other Maxim Integrated products like the MAX6970 and MAX6969, which offer similar functionalities with different port counts or voltage specifications. The family targets applications demanding efficient, space-saving LED management with minimal external component count.

LED Driver IC Replacement Considerations

Direct substitutes include the MAX6971ANG+ (DIP package) and MAX6971AUG+ (TSSOP package). Verify pin compatibility and electrical specifications before substitution. Alternative families such as MAX6969 may serve as functional replacements if port count differences are acceptable.