MAX16838ATP/V+T

LED Driver IC Overview

The MAX16838ATP/V+T is an integrated, two-channel high-brightness LED driver featuring a high-voltage boost and SEPIC controller. It operates within a 4.75V to 40V input voltage range and supports output currents up to 150mA per channel. The device utilizes a 20-pin TQFN package and functions at switching frequencies between 200kHz and 2MHz. It withstands direct automotive load-dump events and offers PWM dimming capabilities for precise brightness control in demanding lighting applications.

LED Driver IC Feature Summary

• Integrates two independent LED current-sink channels with a high-voltage DC-DC controller
• Supports boost, coupled-inductor boost-buck, and SEPIC converter topologies
• Withstands direct automotive load-dump events for robust operation
• Enables fast response through internal current-mode control with programmable slope compensation

LED Driver IC Applications

• Small to medium-sized LCD displays in automotive environments
• General lighting applications requiring high-efficiency drivers
• Automotive exterior and interior illumination systems

LED Driver IC Procurement Notes

Verify the specific suffix 'V' indicates automotive qualification compliance before integration. Confirm the '+T' designation corresponds to the correct tape-and-reel packaging format required for your assembly line. Ensure the component meets RoHS directives if applicable to your region. Cross-reference the manufacturer's latest datasheet revision to confirm pinout and electrical characteristics remain unchanged from previous versions.

LED Driver IC Selection Notes

Select this component when designing circuits requiring dual-channel LED control with integrated power conversion. It is suitable for applications needing wide input voltage tolerance and immunity to automotive transients. Consider the 20-pin TQFN footprint for space-constrained PCB layouts. Evaluate the 200kHz to 2MHz frequency range against electromagnetic interference requirements and external component sizing constraints.

LED Driver IC Part Context

This part belongs to the MAX16838 series of high-brightness LED drivers manufactured by Analog Devices (Maxim Integrated). It shares functional similarities with other members like the MAX16814 but differs in channel count and specific topology support. The series is designed for automotive and general lighting markets, emphasizing efficiency and reliability under harsh electrical conditions.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by comparing pinouts, electrical specifications, and thermal performance with alternative components from the same manufacturer or competitors.