LYT3316D-TL Integrated Circuits (ICs)

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The LYT3316D-TL is a LED driver integrated IC designed specifically for LED modules in various LED applications. It is classified as a PMIC - LED Drivers because of the wide range of applications it supports, ranging from charging, lighting, and display. Developed by the leading global semiconductor manufacturer, Littelfuse, the LYT3316D-TL is uniquely built with a high drive current capability, high voltage protection, and over-voltage and current protection.

The LYT3316D-TL is a versatile LED driver IC that supports a wide range of LED applications. It supports LED lighting from 3.2V up to 24V and LED charging from 4.2V up to 24V. It is also capable of providing up to 1.1A peak current for LED modules, and its precision current matching is suitable for high voltage LED lighting applications. Additionally, the IC features a sleep mode for low power operations and can be used for both single string and double string LED applications.

The LYT3316D-TL has a unique working principle. When the power is supplied, the IC will auto switch to the current regulation mode and then the constant current driver will drive the LEDs. The output current of each channel is regulated by the current sense resistor, which will be detected by the multiplexer and then sent to the DAC. The chip integrates the voltage regulators, such as the linear regulators, switch mode power supply, and power feedback modules. Moreover, the DC/DC boost converter inside the chip can reduce the voltage on the capacitor to improve the efficiency of the LED module.

LYT3316D-TL also provides several protection functions. It supports over-voltage protection, over-current protection, short-circuit protection, and over-temperature protection for added safety. Furthermore, the IC incorporates a current-balance circuit to evenly distribute the current among all channels. Moreover, the built-in temperature sensor monitors the temperature and prevents overheating of the IC.

In sum, the LYT3316D-TL is extremely versatile and is a perfect choice for LED applications due to its wide range of potential applications, high drive current and voltage capabilities, and additional protection features. With its unique working principle and protection features, the LYT3316D-TL is an ideal choice for LED module and lighting applications.

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