Maxim Integrated MAX16812ATI+ High-Efficiency, High-Brightness LED Driver

The MAX16812ATI+ from Maxim Integrated is a high-performance LED driver designed to deliver constant current to high-brightness LEDs with high efficiency and reliability. This versatile driver is suitable for automotive, industrial, and general lighting applications where precise current regulation and a wide input voltage range are essential.

Featuring an input voltage range from 4.75V to 40V, the MAX16812ATI+ is capable of driving multiple high-power LEDs in series, ensuring uniform brightness and consistent color. The driver integrates a high-side current-sense amplifier, which simplifies the design and reduces external component count. Moreover, the MAX16812ATI+ provides a PWM dimming input, which allows for a wide range of adjustable brightness levels, making it ideal for applications that require variable light intensity.

With its integrated thermal shutdown, open-circuit, and short-circuit protection features, the MAX16812ATI+ ensures safe operation under abnormal conditions, thereby enhancing the longevity and reliability of the lighting system. The device operates at a switching frequency up to 1MHz, allowing the use of small external components, which results in a compact and cost-effective solution.

The MAX16812ATI+ is available in a thermally efficient, 28-pin TSSOP-EP package, which aids in heat dissipation and minimizes the thermal impact on surrounding components. This package feature makes the MAX16812ATI+ an excellent choice for space-constrained applications.

Key features of the MAX16812ATI+ include:

• Wide 4.75V to 40V input voltage range
• Adjustable output current up to 350mA (or higher with external components)
• Integrated high-side current-sense amplifier
• PWM dimming capability for precise brightness control
• Protection features: thermal shutdown, open-circuit, and short-circuit protection
• High switching frequency up to 1MHz
• Thermally efficient 28-pin TSSOP-EP package

In summary, the MAX16812ATI+ LED driver is a robust and versatile solution that offers high efficiency, precise current regulation, and advanced protection features for a wide range of high-brightness LED applications.