MAX25611CAUD/V+

LED Driver IC Overview

The MAX25611CAUD/V+ is an automotive-grade high-voltage HB LED controller from the MAX25611 series, manufactured by Analog Devices Inc./Maxim Integrated. It supports Boost, Buck, and SEPIC topologies with a single output capable of delivering up to 1.5 A. The device operates on a supply voltage range of 5 V to 48 V and features an internal switching frequency of 2.2 MHz. It offers adjustable output voltage and supports both analog and PWM dimming methods. The component is housed in a 14-TSSOP package and is rated for operation between -40°C and 125°C.

LED Driver IC Feature Summary

• Supports multiple DC-DC converter topologies including Boost, Buck, and SEPIC for flexible LED driver design.
• Enables precise light control through integrated analog and PWM dimming capabilities.
• Designed for automotive environments with AEC-Q100 qualification and extended temperature range.

LED Driver IC Applications

• Automotive high-beam headlight systems
• Automotive daytime running lights (DRL)
• Automotive fog lamp drivers

LED Driver IC Procurement Notes

Verify the specific suffix 'V+' against the official datasheet to confirm lead-free compliance and RoHS status. Confirm the 'CAUD' designation matches the required industrial temperature grade (-40°C to 125°C) rather than commercial variants. Ensure the 14-TSSOP footprint aligns with the PCB layout specifications provided in the manufacturer's documentation before finalizing procurement.

LED Driver IC Selection Notes

Select this component when designing automotive lighting circuits requiring high input voltage tolerance up to 48 V. It is suitable for applications needing a single-channel driver with integrated switching capability or external switch support. Consider the 2.2 MHz operating frequency for balancing EMI performance and passive component size. Verify that the required dimming interface matches the available analog or PWM inputs.

LED Driver IC Part Context

This part belongs to the MAX25611 family of high-voltage LED controllers designed specifically for automotive applications. The series provides robust solutions for driving high-power LEDs in demanding environments. The CAUD variant indicates a specific temperature range and packaging option within the broader product line, ensuring compatibility with strict automotive reliability standards.

LED Driver IC Replacement Considerations

Consult official cross-reference lists for direct replacements. Ensure any substitute maintains the 48 V maximum supply rating and 1.5 A output current capability. Verify pinout compatibility if replacing within the same package type to avoid PCB redesign.