LYT7504D

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LYT7504D is a state-of-the-art integrated linear LED driver chip, which is suitable for driving up to 4.5A LEDs on any single channel with low voltage supply sources. The chip is available in commercial and automotive temperature grades, providing wide application fields for different usage scenarios. This article discusses the applications and working principles of the LYT7504D chip.

Application Field of LYT7504D

LYT7504D PMIC - LED driver is a highly integrated chip that provides precise dimming control for up to 4 channels of LEDs. It can be used in a variety of automotive, industrial, and commercial settings. In automotive applications, the chip can be used for interior cabin illumination, daytime running lights (DRL), and exterior automotive lighting. For industrial settings, the LYT7504D is perfect for signage and displays. Commercial applications include lighting for shops, restaurants, and other indoor environments.

Working Principle of LYT7504D

The LYT7504D LED driver is designed to directly power LED loads from the input voltage source. The chip supports AC and DC input voltages in the range of 4-24V and provides a maximum constant current output of up to 4.5A per channel. The chip includes configurable settings for current regulation, dimming, and other features. In addition, the LYT7504D has built-in over-temperature, over-current, and over-voltage protection features to ensure the safety and reliability of the LED operation.

The core component of the LYT7504D LED driver is the integrated power switch. The power switch provides high efficiency operation with minimal loss, allowing the LED load to be powered from a low voltage source. When an LED load is connected, the power switch supplies current to the load and senses the voltage across the switch. When the voltage reaches a predetermined level, the power switch turns off and prevents further current from flowing. The current control loop of the LYT7504D then adjusts the output current to ensure precise dimming and control.

Conclusion

The LYT7504D PMIC - LED driver is a highly integrated chip ideal for a wide range of automotive, industrial, and commercial applications. The integrated power switch of the chip enables efficient and precise operation. With built-in over-temperature, over-current, and over-voltage protection features, the LYT7504D ensures the safety and reliability of the LED operation. Therefore, when looking for a LED driver for any lighting or display application, the LYT7504D is a great choice.

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