The MAX25611AATC/VY+T from Maxim Integrated is an advanced automotive-grade high-voltage, high-brightness LED controller designed to provide efficient and reliable solutions for driving LEDs in a wide range of automotive lighting applications. This compact and robust IC is ideal for use in exterior lighting such as headlights, tail lights, fog lights, and daytime running lights, as well as interior illumination and display backlighting.

Key Features

• High Efficiency: The controller operates with an efficiency of up to 90%, reducing power loss and heat generation for reliable and long-lasting LED operation.
• Wide Input Voltage Range: Designed to handle the varying conditions of automotive power systems, it supports an input voltage range from 5V to 36V, accommodating start-stop and load-dump scenarios.
• Integrated MOSFET: The device includes an integrated high-side n-channel MOSFET, which simplifies the design and reduces external component count.
• PWM Dimming: It features pulse-width modulation (PWM) dimming control, enabling precise brightness control for various lighting conditions.
• Thermal Protection: Thermal shutdown and overcurrent protection are built-in, ensuring the protection of the IC and the LEDs under extreme conditions.
• Flexible LED Configuration: The MAX25611AATC/VY+T can be configured for buck, boost, or buck-boost modes, providing versatility in driving single or multiple LED strings.

Applications

• Automotive Exterior Lighting
• Automotive Interior Lighting
• LED Backlighting for Displays

The MAX25611AATC/VY+T's robust design is compliant with automotive industry standards, including AEC-Q100 qualification, ensuring reliable performance in harsh automotive environments. With integrated protection features, and versatile configuration options, this LED controller is a comprehensive solution for automotive lighting systems seeking efficiency, reliability, and high performance.