NCP5008DMR2 Integrated Circuits (ICs)

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NCP5008DMR2 is a type of PMIC – LED Drivers, which is capable of driving more than one LED strings and long LED string is also possible at a low voltage, offering an ideal combination of features for multi-LED and matrix LED applications. It supports up to 3 LED strings, with each string being able to control up to 8 LEDs. Furthermore, it has a very efficient switched mode power delivery with current-mode control, which provides high accuracy on current regulation and low thermal dissipation.

The applications of NCP5008DMR2 are such: signage applications, automotive interior ambient light and RGB design, RGB dome car lighting, garden lighting, and decorative lighting. The NCP5008DMR2 supports up to 3 LED strings with each string supporting up to 8 LEDs and can be configured with different currents. This combination offers designers better control options over various color combinations, while maintaining energy efficiency and ease of development.

The modes of operating NCP5008DMR2 include brightness control mode and color characteristics control mode. The brightness control mode gives the user the ability to remotely dim up to 8 individual strings of LEDs. It also provides various brightness curve options to select from, allowing users to set the curve that best suits the application. The color characteristics control mode further increases the flexibility of the NCP5008DMR2 and enables the user to configure color parameters like the trigger current, the start current, the end current and the hold current. This mode also enables the user to make precise adjustments in the gradation of the color output, as well as obtain accurate reproduced colors.

The working principle of NCP5008DMR2 is based on its very efficient switched mode current-mode control of up to 3 LED strings, with each string being able to control up to 8 LEDs. The device operates in a closed loop configuration allowing the user to program the current regulation limit of each LED string, providing high accuracy while offering protection against LED failure. The device\'s current mode control also allows for better control over the LED color output, while also providing better heat dissipation and longer LED life.

The output can also be set to either linear or logarithmic mode. The linear mode operates under constant voltage, providing maximum uniformity and minimal color loss across the illuminated surface. The logarithmic mode, on the other hand, operates under constant current, providing higher efficiency and better dynamic performance, while offering lower power consumption.

The NCP5008DMR2 is a very versatile product which can be used in a wide range of applications with its excellent features, including efficient current-mode control, multiple channel current regulation and multiple output configurations. It also provides a very good level of accuracy and protection against LED failure, making it an ideal solution for applications with multiple LEDs.

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