MAX25614CATI/VY+

LED Driver IC Overview

The MAX25614CATI/VY+ is an automotive-grade LED driver IC designed for high-current infrared LED and VCSEL applications. It operates with a supply voltage range of 4.5V to 36V and supports output voltages up to 35V. The device delivers a peak output current of 10A per channel using a boost topology. It features programmable switching frequencies of 420kHz, 1MHz, 1.6MHz, and 2.1MHz. Control is managed via I2C interface. The component is housed in a 28-TQFN (5x5) package and functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates internal pFET with surge current limiting and nFET switch for compact design
• Supports I2C programming for control and configuration
• Includes comprehensive fault protection mechanisms such as overcurrent, open/short circuit detection, and thermal shutdown
• Features EMI suppression through spread-spectrum modulation

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 CATI/VY+ against official Analog Devices documentation to confirm the exact frequency options and feature set. Ensure compatibility with AEC-Q100 Grade 1 requirements if operating in harsh automotive environments. Cross-reference pinouts and thermal pad specifications during PCB layout to maintain signal integrity and heat dissipation standards.

LED Driver IC Selection Notes

Select this component for applications requiring high peak current drive for IR emitters or VCSELs. It is suitable for designs needing precise current control via I2C and robust fault protection. Consider the 28-TQFN package size for space-constrained layouts. Verify that the required switching frequency options align with EMI constraints and efficiency targets.

LED Driver IC Part Context

This part belongs to the MAX25614 family of automotive LED drivers from Analog Devices/Maxim Integrated. The series is engineered for safety-critical automotive sensing applications. Variants within the family may differ in switching frequency configurations or package types, but share the core architecture for driving high-power optical emitters in driver and passenger monitoring systems.

LED Driver IC Replacement Considerations

Check for MAX25614AATI/VY+ or MAX25614BATI/VY+ as potential alternatives within the same family. Confirm that substitute parts match the required switching frequency settings and package dimensions. Verify that any replacement maintains the same AEC-Q100 qualification and functional safety ratings.