MAX16822AASA+

LED Driver IC Overview

The MAX16822AASA+ is a step-down constant-current high-brightness LED driver featuring an integrated power MOSFET and high-side current sense. It operates at a switching frequency of 2 MHz with an input voltage range of 6 V to 65 V. The device provides a regulated output current of 350 mA in an 8-pin SOIC package. It supports PWM dimming and functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates a power MOSFET and high-side current sensing for simplified design
• Supports pulse-width modulation (PWM) dimming for brightness control
• Maintains constant current regulation for high-brightness LEDs

LED Driver IC Applications

• Automotive interior lighting systems
• Automotive exterior lighting applications
• Architectural illumination setups
• General ambient lighting solutions

LED Driver IC Procurement Notes

Verify the specific suffix designation (+) against official Analog Devices documentation to confirm lead-free compliance and RoHS status. Confirm availability through authorized distributors as supply may be restricted. Ensure the selected package variant matches the required PCB footprint and thermal management strategy for the target application environment.

LED Driver IC Selection Notes

Select this component for designs requiring a compact, single-channel buck converter solution for high-brightness LEDs. The integrated MOSFET reduces external component count compared to discrete solutions. Consider the 2 MHz switching frequency for smaller passive components. Verify that the 65 V maximum input voltage aligns with the system power supply rails.

LED Driver IC Part Context

This part belongs to the MAX16822A/B series of high-brightness LED drivers manufactured by Analog Devices under the Maxim Integrated brand. It is designed as a cost-effective alternative to discrete LED driver circuits. The series shares functional similarities with other members like the MAX16822BASA+, differing primarily in specific electrical tolerances or pin configurations as defined in the family datasheet.

LED Driver IC Replacement Considerations

The MAX16822BASA+ is a related member of the same driver family. Cross-referencing the specific datasheet for both parts is necessary to verify if electrical parameters such as current accuracy or switching frequency variations meet the design requirements before substitution.