NCL30083BDR2G

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Introduction

PMIC, or power management integrated chips, are multi-functional ICs utilized in a wide variety of applications, ranging from basic functions such as regulating input/output voltage, regulating start-up voltages, providing over-voltage protection, over-current protection, and operating temperature protection to driving integrated circuits and LED drivers. The NCL30083BDR2G is a LED driver PMIC designed for LED lighting and display applications with low power consumption and accurate current regulation for LED strings up to 3 Amps. It is an integrated driver solution optimized for single string operation with adjustable average current control for improving system power efficiency.

Application Field

The NCL30083BDR2G is an ideal solution for a wide variety of applications, such as automotive and outdoor LED lighting, point-of-sale flat panel displays, OLED displays, digital signs, industrial lighting, and consumer electronics, to name a few. This driver has been designed with flexibility in mind, and is capable of powering multiple LED strings with up to 30V of output, allowing it to be used in high power applications. Other features like the adjustable frequency of up to 400kHz, PWM dimming capabilities, and over temperature protection further add to its flexibility, making it suitable for any application that requires precise LED control.

Working Principle

The NCL30083BDR2G utilizes a 1.5A step down current regulator to provide a constant average current to LED strings, while the integrated high side switch and low side driver control the LED brightness. The wide input voltage range allows it to operate with supply voltages up to 30V, while the variable frequency and adjustable PWM dimming capabilities provide precise LED control. The over temperature protection feature activates when the junction temperature exceeds 135°C, and shuts off the output current until the temperature is reduced to a safe level.

Conclusion

In conclusion, the NCL30083BDR2G is a great choice for high power applications due to its wide input voltage range and adjustable frequency and PWM dimming capabilities. With its integrated high side switch and low side driver, it is capable of powering multiple LED strings, and its adjustable current regulation ensures optimal power efficiency. Additionally, its over temperature protection ensures it does not get damaged in the case of high heat situations. As such, the NCL30083BDR2G is an ideal solution for a wide variety of LED lighting and display applications.

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