MPQ3387LGRT-AEC1-Z

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What is an MPQ3387LGRT-AEC1-Z and Its Applications?

The MPQ3387LGRT-AEC1-Z is an LED driver chip, designed to provide high efficiency power to drive and control light emitting diode (LED) lighting applications, such as in replacement of conventional lighting systems. It is in a leadless package form, making it ideal for miniaturization of LED-based applications. The MPQ3387LGRT-AEC1-Z is in the category of PMIC-LED Drivers and comes with a wide range of features, making it suitable for a variety of lighting and display applications.

MPQ3387LGRT-AEC1-Z Features

The MPQ3387LGRT-AEC1-Z LED driver chip provides dimming, brightness, and current regulation , along with having an output current range from 0-2.2A. The device includes a low dropout and low (>92%) efficiency driver that can operate stably from 2V-5.5V. The device has a range of protection features, providing over temperature, over current, and under voltage protection. It has an ultra-fast (<25 ms) startup speed and a high working frequency of up to 700kHz for high density designs. It is also highly compatible with popular LED dimming protocols, making it possible to create lighting systems that respond to voices, motion, and other inputs.

Applications of the MPQ3387LGRT-AEC1-Z

The MPQ3387LGRT-AEC1-Z LED driver chip is suitable for a variety of lighting and display applications. Its wide operating temperature range and high efficiency make it an ideal choice for car displays, digital signage, general lighting, and other commercial applications. It can also be used in home appliances and other indoor lighting applications, such as light strips and pools, due to its extreme miniaturization. Its compatibility with popular dimming protocols make it suitable for applications that respond to voice and motions, such as gaming peripherals, TVs, and more.

Working Principle of the MPQ3387LGRT-AEC1-Z

The MPQ3387LGRT-AEC1-Z LED driver chip works as a high-efficiency constant current driver. It has a built-in, PMIC stepped-down power supply, along with very low (<2V) voltage drop, allowing for much more efficient LED lighting designs compared to traditional current source drivers. It uses a PWM controller to regulate the LED current, and the output can be observed on an analog voltage pin. The device also allows for adjustable current limit and voltage limit, offering protection for LED lighting systems.

The device does not require extra external components along with the LED and power source, making for a simpler design. It has a wide input voltage range, allowing for operation from anywhere between 2V to 5.5V. It also comes with a power-saving feature that reduces power consumption during no or light load phases. This helps in achieving a low total power-on system cost, making it viable for a variety of budget-oriented applications.

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