MAX16838AUP+

LED Driver IC Overview

The MAX16838AUP+ is a dual-channel high-brightness LED driver IC from Analog Devices/Maxim Integrated, designed for versatile lighting applications. It integrates a high-voltage DC/DC controller supporting Boost, Buck, and SEPIC topologies within a compact TSSOP-20 package. The device operates with an input voltage range of 4.75 V to 40 V and delivers up to 150 mA output current per channel. It features a programmable switching frequency between 200 kHz and 2 MHz, ensuring efficient power management. The IC includes PWM dimming capabilities and open LED protection, functioning reliably across a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates dual-channel drivers with high-voltage DC/DC controller supporting multiple topologies
• Provides precise PWM dimming control for brightness adjustment
• Includes built-in open LED protection for system safety

LED Driver IC Applications

• High-brightness LED illumination systems
• Automotive exterior lighting modules
• Industrial signage and display backlighting

LED Driver IC Procurement Notes

Verify the specific suffix designation when ordering, as variations such as MAX16838AUP+T indicate tape-and-reel packaging while standard designations may imply tube packaging. Confirm that the component meets RoHS compliance requirements for your region. Ensure the selected variant matches the required thermal performance and electrical specifications for the target application environment before finalizing procurement.

LED Driver IC Selection Notes

Select this component when a single IC must drive two independent LED channels with flexible topology options. The wide input voltage range accommodates various supply sources, while the adjustable switching frequency allows optimization for EMI and efficiency. Consider the TSSOP-20 package size for space-constrained designs requiring integrated regulation and protection features without external discrete components.

LED Driver IC Part Context

This part belongs to the MAX16838 series of integrated LED drivers. It shares functional similarities with other Maxim Integrated LED solutions but distinguishes itself through its dual-channel architecture and support for multiple DC/DC converter topologies. The series targets applications requiring robust, high-efficiency lighting control in demanding environments.

LED Driver IC Replacement Considerations

Direct substitutes include MAX16838AUP-T and MAX16838AUP+T, which share identical core functionality. Verify pin compatibility and thermal characteristics when transitioning between different packaging formats or suffixes to ensure seamless integration into existing designs.