AL8861Y-13

The AL8861Y-13 is a versatile LED driver designed for driving high-brightness LEDs in automotive lighting, backlighting, signage, and general illumination applications. This buck LED driver operates from a wide input voltage range, making it suitable for both automotive and industrial lighting systems. It integrates a high-side MOSFET and a low-side MOSFET to provide synchronous rectification, resulting in high efficiency and minimal power loss.

Key Features:

• Wide Input Voltage Range: The AL8861Y-13 supports input voltages from 4.5V to 40V, allowing it to accommodate a wide range of automotive and industrial power supplies and battery voltages.
• High Efficiency: With synchronous rectification and a minimal dropout voltage, the LED driver achieves high efficiency, reducing power dissipation and maximizing battery life in portable applications.
• Precise Current Regulation: It offers precise current regulation for driving LEDs with constant current, ensuring uniform brightness and color consistency across multiple LEDs in series or parallel configurations.
• Adjustable Output Current: The output current of the AL8861Y-13 can be configured externally using a single resistor, providing flexibility to adjust the LED brightness and optimize power consumption according to application requirements.
• PWM Dimming Control: The LED driver supports pulse-width modulation (PWM) dimming control, allowing for smooth and flicker-free dimming of the connected LEDs over a wide range of brightness levels.
• Thermal Protection: Built-in thermal shutdown protection prevents the LED driver from overheating under adverse operating conditions, enhancing reliability and preventing damage to the device.
• Short-Circuit Protection: The AL8861Y-13 features short-circuit protection to safeguard the LEDs and the driver circuitry against overcurrent conditions and faults, ensuring safe and reliable operation in the event of a fault.
• Compact Package: Housed in a compact SOP-8 package, the LED driver offers space-saving advantages and facilitates easy integration into space-constrained lighting fixtures and systems.

Applications:

• Automotive lighting (e.g., headlights, taillights, interior lighting)
• Industrial and commercial lighting
• LED backlighting for LCD displays and monitors
• Architectural and decorative lighting
• Outdoor signage and advertising displays
• Emergency lighting and portable lighting devices