MAX16838ATP/V+

LED Driver IC Overview

The MAX16838ATP/V+ is an integrated, dual-channel high-brightness LED driver IC from the Analog Devices/Maxim Integrated MAX16838 series. It combines a DC-DC switching boost regulator with two independent 150mA current sinks. The device supports Boost, Buck, and SEPIC topologies for flexible LED string configurations. It operates within an input voltage range of 4.75V to 40V and features a programmable switching frequency between 200kHz and 2MHz. The output voltage regulation is maintained between 4.75V and 5.25V. Designed for automotive and industrial environments, it functions reliably across a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates a DC-DC switching regulator with two independent 150mA constant-current sinks for dual-channel LED control
• Supports versatile power conversion topologies including Boost, Buck, and SEPIC for various LED string arrangements
• Includes PWM dimming capability and open LED protection mechanisms for enhanced system reliability

LED Driver IC Applications

• High-brightness LED lighting systems
• Automotive exterior and interior illumination
• Industrial LED signage and display drivers

LED Driver IC Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to limited supply status. Confirm RoHS compliance and package integrity upon receipt. Ensure storage conditions meet specified humidity and temperature limits to prevent degradation. Cross-reference datasheet revisions to confirm pinout and electrical specifications match design requirements before integration.

LED Driver IC Selection Notes

Select this component when designing circuits requiring dual-channel LED drive with integrated power management. Verify that the required LED string voltage falls within the supported operating range of the chosen topology. Ensure the thermal design accommodates the specified power dissipation characteristics. Confirm compatibility with the desired PWM dimming frequency and switching frequency settings for EMI compliance.

LED Driver IC Part Context

This part belongs to the MAX16838 family of integrated LED drivers designed for high-efficiency lighting applications. The ATP/V+ suffix indicates a specific tape-and-reel packaging variant within the QFN-20 package family. The series is engineered to simplify board space by integrating both power stage and current regulation components into a single compact solution.

LED Driver IC Replacement Considerations

Consult official Analog Devices documentation for verified substitute part numbers. Ensure any replacement maintains identical pinout, electrical parameters, and thermal characteristics. Verify that alternative components support the same Boost, Buck, or SEPIC topologies required by the existing circuit design.