MPQ2483DQ-LF-Z

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MPQ2483DQ-LF-Z is a “propagation delay matched”, quad 0.1 A (10 mA) output, current regulator that operates over a fixed operating temperature range of −40°C to 85°C. It belongs to the category of PMIC - LED Drivers. It is specifically designed for automotive interior/exterior lighting such as car/infotainment backlight, display bias, and LCD panel illumination applications. With its higher current (step-up) outputs, MPQ218DQ-LF-Z provides excellent brightness uniformity and extended leverage when using medium to high powered LEDs.The MPQ218DQ-LF-Z is a high performance, buck-boost device for driving LEDs. It provides 6 A of total switching current and allows for PWM dimming control. It is an integrated solution that includes all necessary control, protection and drive circuit components. The control and protection features include LED junction temperature monitoring, open LED detection, short LED detection, LED OCP, and maximum peak inductor current setting.The MPQ218DQ-LF-Z uses a propagation delay matching switching method that minimizes the power loss due to the switching distortion. This feature makes the device suitable for driving higher current LEDs with improved efficiency and power density. It also exploits a unique output current tracking algorithm that allows for excellent current sharing between the two output channels.The MPQ218DQ-LF-Z utilizes a buck-boost switching architecture for high efficiency operation and simple external input-output filtering. It is capable of controlling up to eight LEDs at adjustable currents from 200 mA to 1.8 A. The adjustable current allows for the use of different types of LEDs with different current requirements.The MPQ218DQ-LF-Z is designed for highly integrated applications, with an integrated intelligent PWM/DC dimming interface, external power pins and low power shutdown mode. It also features several protection features, including internal temperature protection, undervoltage lockout, overvoltage detection and current limit protection.In summary, the MPQ218DQ-LF-Z is a powerful, efficient, and integrated LED driver solution. Its advanced design allows for the operation of high current LEDs with excellent efficiency, current sharing, and a unique output current tracking algorithm. It also includes several protection features such as LED junction temperature monitoring, open LED detection, short LED detection, LED OCP, and maximum peak inductor current setting.

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