NCL30186DDR2G Integrated Circuits (ICs)

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NCL30186DDR2G is a LED driver with post-regulator power management integrated circuit (PMIC). It provides dimming control and constant current regulation by integrated high-voltage switch mode power supplies. This PMIC-LED Driver is able to operate up to 42W of LED string current over an operating range of 8V to 42V, making it perfect for linear LED driver applications. In addition, the PMIC contains integrated boost and buck-boost DC/DC converters for stable dimmed operation. This allows for conventional and advanced dimming at low EMI. The PMIC also features a range of pre-programmed different output currents.

NCL30186DDR2G application fields include both interior and exterior automotive lighting, entertainment lighting, and general lighting applications. This PMIC-LED driver is also compatible with low-power microcontrollers, providing ease of programming for applications that require varying levels of light output, programmable brightness levels, or other special features. The IC also features fault reporting and timer functions, making it an ideal choice for sophisticated lighting applications.

The working principle of the NCL30186DDR2G is based on an internal buck converter in combination with a current sink PFET switch. This enables a wide range of operation frequencies and supports the efficient use of external components. The dimming is then implemented via resolution-adaptable pulse-width modulation (PWM) dimming or with an external variable resistor. As a post-regulator, the NCL30186DDR2G continuously regulates the output current in order to prevent over- and under-shooting by the parallel current sink. The IC also contains integrated circuits for fault notification such as under-voltage lockout and over-temperature protection to keep the LED system safe from damage and preserve LED life.

The advantages of using the NCL30186DDR2G LED driver include its wide input voltage range, wide operating temperature range, low EMI signature, and high power and efficiency. Its output is also adjustable for special applications such as constant current regulation, dimming and complex light sources, making it one of the most versatile and reliable LED drivers currently available. Compared to other LED drivers, the NCL30186DDR2G has been designed with lower costs, smaller size and smaller footprint in mind.

Overall, the NCL30186DDR2G LED driver is a great choice for a wide range of LED applications. Its unique combination of features such as adjustable output, low EMI, and high efficiency makes it one of the leading PMIC-LED drivers on the market. It is an ideal choice for applications that require both advanced dimming and constant current regulation, while its robust design and wide temperature range make it suitable for automotive and residential lighting applications.

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