MAX25614BATI/VY+

LED Driver IC Overview

The MAX25614BATI/VY+ is a high-current IR LED and VCSEL driver designed for automotive applications. It operates from a 4.5V to 36V input supply and drives loads up to 35V with a peak output current of 10A. The device utilizes fixed-frequency average current-mode control with programmable switching frequencies of 420kHz, 1MHz, 1.6MHz, and 2.1MHz. It integrates an internal pFET with surge current limiting and an nFET switch. The component supports I2C programming and includes comprehensive fault protection features such as overcurrent, open/short circuit detection, and thermal shutdown.

LED Driver IC Feature Summary

• Integrates high-side pFET with surge current limiting and low-side nFET switch for compact design
• Supports I2C programmable control for configuration and monitoring
• Includes extensive fault protection mechanisms ensuring human eye safety and system reliability
• Features spread-spectrum modulation for EMI suppression

LED Driver IC Applications

• Automotive Driver Monitoring Systems (DMS)
• Automotive Occupant Monitoring Systems (OMS)
• Night vision systems
• Optical detection and machine vision

LED Driver IC Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm functional differences, as variants within the MAX25614 family may differ in topology or control interface. Ensure the selected part meets AEC-Q100 Grade 1 requirements and ASIL-B standards for your target automotive application. Cross-reference package details to confirm the 28-TQFN form factor matches your PCB layout constraints.

LED Driver IC Selection Notes

Select this component when driving high-current IR LEDs or VCSELs in automotive environments requiring precise pulse control. The integrated power switches reduce external BOM compared to discrete solutions. Consider the available switching frequency options to optimize inductor size and EMI performance. Verify that the I2C interface aligns with your system's communication architecture and that the operating temperature range covers your environmental conditions.

LED Driver IC Part Context

This device belongs to the MAX25614 series, which includes variants like the MAX25614AATI/VY+ and MAX25614DATI/VY+. While sharing similar core capabilities, these variants may differ in switching frequency options, control interfaces (such as PWM vs. I2C), or topologies (buck-boost vs. boost). The MAX25614BATI/VY+ specifically targets high-current IR emission tasks in regulated automotive sectors.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.