NCP5007SNT1G Integrated Circuits (ICs)

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NCP5007SNT1G is a PMIC - LED Driver which belongs to the ZETEX® Gen4 family of LED drivers. It is a power management integrated circuit (PMIC) offering maximum efficiency, a wide range of features, and ease of use. This device can be used to support a variety of applications including, flash, RGB, display backlight, torch, and smart bulbs. The NCP5007SNT1G is a highly integrated chip, providing high efficiency in order to reduce system power consumption, and a wide range of features for easy implementation.

NCP5007SNT1G Applications

The NCP5007SNT1G is suitable for a wide range of applications, including: flash and RGB displays, camera flash, torch LEDs, street lights and other lighting applications, automotive lights and daytime running lights, smart bulbs and industrial automation.

The NCP5007SNT1G supports up to five white or RGB LEDs in series with a wide range of control modes, including linear and pulse-width-modulation (PWM) dimming modes. It offers flexibility of up to 8.25V input supply, and up to 90% peak efficiency with low quiescent current. It is able to drive more than 500mA of forward current, allowing for high bright-to-dim ratio, and maintains lower forward voltage across the LEDs for improved energy efficiency.

It is compliant with the EN EU60065/72065 standards, making it suitable for automotive exterior lighting applications. With a wide dynamic range (65535 steps for linear dimming and 256 steps for PWM dimming) the NCP5007SNT1G is ideal for applications requiring digital control such as portable lighting, mood lighting, and LED displays.

NCP5007SNT1G Working Principle

The NCP5007SNT1G works on a fixed frequency, pulse-width-modulation (PWM) dimming principle. It supports two dimming modes, linear dimming and PWM dimming, with a resolution of 65535 and 256 steps respectively. Linear dimming is a technique wherein the LED current is adjusted in a linear fashion. The output current of the NCP5007SNT1G is internally regulated to maintain the desired output current level.

In PWM dimming mode, the NCP5007SNT1G switches the LEDs ON and OFF quickly at a frequency determined by the user. By adjusting the ‘off’ or ‘on’ time with respect to the total cycle time (period), the output current level of the LEDs is adjusted accordingly. With its high speed switching, the NCP5007SNT1G is able to offer a high full-to-dim ratio and low forward voltage, resulting in improved efficiency.

The NCP5007SNT1G is protected from overheating, overvoltage and over-current. It also provides safety from external spikes and electromagnetic interference (EMI) by providing an integrated EMI filter. An adjustable soft-start feature helps to provide a smooth start characteristic for the LED.

Conclusion

The NCP5007SNT1G is a highly integrated PMIC offering maximum efficiency and a wide range of features for easy implementation. It supports applications including, flash, RGB, display backlight, torch, automotive, smart bulbs and industrial automation. By leveraging the pulse-width-modulation (PWM) dimming technique, the NCP5007SNT1G is able to provide high efficiency and improved energy savings, making it suitable for a wide range of applications.

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