AS3647-ZWLM

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The AS3647-ZWLM PMIC (Power Management IC) is a LED driver designed for applications such as automotive lighting and general illumination. It is highly integrated and configurable, offering an efficient and reliable solution for driving a variety of LED configurations, from low-power for small displays and indicators to high-power for automotive headlamps and LED lighting systems.

The AS3647-ZWLM is designed for up to 6 LED channels. Each LED channel is independently controlled, allowing for individual brightness control and seamless dimming of all LED channels from 0% to 100%. The built-in high efficiency boost controller provides up to 12V of output voltage, supporting high-power LED strings up to 9.5W. What\'s more, the IC supports up to 3-string LED configurations, which make it ideal for applications calling for multiple LED strings of different colors.

The AS3647-ZWLM also features dynamic headroom control, which can realize a wide dimming range and improve system efficiency. The IC has a built-in temperature monitor, which can detect the temperature of the LED driver device and switching the current value of the output stage, so that it can protect the device from overheating.

The AS3647-ZWLM is designed to be energy efficient and reliable. It features line voltage feedforward, which can sense input voltage level and adjust output voltage accordingly without relying on feedback loop control. The IC also has built-in line over-voltage and under-voltage protection and adjustable output voltage OVP level, making it an ideal solution for applications operating from a wide range of input voltages.

The AS3647-ZWLM has been designed for safety and ease-of-use. It features open circuit, short circuit and output over-current protection, so that it can prevent any damage to the LED string or the driver itself. Furthermore, the IC offers diagnostic feedback functions such as open/short circuit, short-to-ground/over-temperature detection, so that users can easily monitor the performance of the LED string.

In short, the AS3647-ZWLM PMIC LED driver is a highly integrated, highly efficient and reliable solution for driving a variety of LED configurations. It is designed to be simple to configure and use, while offering maximum protection and reliability.

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