Maxim Integrated MAX16822AASA+ High-Efficiency LED Driver
The MAX16822AASA+ from Maxim Integrated is a versatile and efficient solution for driving high-brightness LEDs (HB LEDs). This current regulator operates from a 6.5V to 40V input voltage range, making it suitable for a variety of LED lighting applications such as automotive lighting, architectural lighting, and display backlighting.
One of the standout features of the MAX16822AASA+ is its integrated MOSFET, which simplifies the design by reducing external component count. This feature, combined with its small 8-pin SOIC package, makes it an excellent choice for space-constrained applications. The device is capable of delivering up to 350mA of continuous output current, ensuring sufficient power for driving multiple HB LEDs in series.
The MAX16822AASA+ offers a high level of flexibility with its adjustable switching frequency, which ranges from 100kHz to 1MHz. This allows designers to optimize the LED driver for efficiency or to minimize electromagnetic interference (EMI) in noise-sensitive applications. Additionally, the device supports pulse-width modulation (PWM) dimming, which provides precise control over the brightness of the connected LEDs and can enhance the overall power efficiency of the lighting system.
Protection features are also built into the MAX16822AASA+, including cycle-by-cycle current limit, thermal shutdown, and overvoltage protection. These features help to ensure the longevity and reliability of the LED driver, protecting it and the connected LEDs from potential damage caused by abnormal operating conditions.
In summary, the MAX16822AASA+ is a high-quality, high-efficiency LED driver that offers a combination of integration, flexibility, and protection. Its wide input voltage range, integrated MOSFET, and adjustable features make it a highly adaptable solution for a broad range of LED lighting applications. Whether you're designing for automotive, commercial, or consumer lighting, the MAX16822AASA+ is engineered to meet the demands of high-performance LED driving.