MAX16823ATE+T

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MAX16823ATE+T, as a single-chip integrated LED driver capable of controlling constant-current output, plays a very important role in the design of LED lighting systems. It belongs to PMIC - LED Drivers, and its application fields, working principle, features and development of LED lighting systems will be discussed in this article.

Application Fields

MAX16823ATE+T is suitable for a variety of LED lighting systems, such as LED decorative lights, LED floodlights and LED street lamps. In addition, it is widely used in LED backlight system of LCD displays and LED indicator lights of vehicles. With its good breaking performance and superior heat dissipation, MAX16823ATE+T is also applied to LED strip lighting and LED hybrid lighting.

Working Principle

MAX16823ATE+T consists of a step-down DC/DC converter and a current regulator. The DC/DC converter is designed to reduce the input voltage which can be 9V to 32V. Then, the current regulator utilizes a high-side series N-Channel MOSFET to regulate the output current, and the output current is sensed by an external current sensing resistor and maintained at a constant level. In the meanwhile, the current sense voltage of the current regulator is sent back to the MCU and displayed by the I2C interface.

The voltage feedback circuit also provides a voltage reference and also drives the gate of the MOSFET to further increase the stability of the system. In addition, the MAX16823ATE+T also provides IC protection features, such as overvoltage protection, overcurrent protection, short circuit protection and thermal shutdown.

Features

The main features of MAX16823ATE+T includes:

• Wide input voltage range of 9V to 32V
• Built-in current regulation circuit
• Output current up to 1A
• Low temperature operation down to -40℃
• High efficiency up to 96%
• Short circuit protection
• Overvoltage protection

Development of LED Lighting Systems

With the rapid development of LED lighting systems, LED lighting has become the mainstream lighting source for both indoor and outdoor lighting, and LED drivers also play an important role in it. MAX16823ATE+T is an ideal LED driver for these applications due to its high efficiency, wide input voltage range and low temperature operation. In addition, its ability to provide sophisticated feedback makes it suitable for applications requiring accurate current control and excellent current balance.

Therefore, MAX16823ATE+T can be used in a variety of LED lighting applications and its performance is more than meeting the requirements of the development of LED lighting systems. Thus, it is expected to be applied in more types of LED lighting systems in the future, and continue to improve the experience of LED lighting systems.

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