L9779WD-TR

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Power Management Integrated Circuit (PMIC) is a type of integrated circuit that is used to supply, manage and control the power to a device or system. Specialized PMICs, such as the L9779WD-TR, are dedicated to specific applications in order to provide optimized performance, reliability and flexibility.

The L9779WD-TR is an automotive-grade driver IC optimized for use in automotive display applications. It is designed for the control of dynamic pixel and backlight provide for TFT LCD displays, optimized for automotive applications, such as car navigation systems, instrument clusters, and rear view cameras.

The IC manages the power supply to the display with parameters optimized for the automotive environment. It is equipped with a 20V high voltage rating and a laser-trimmed power-on reset circuitry with an adjustable reset timeout delay, which makes it suitable for automotive systems where electrical noise, temperature and power supply instability can be an issue. It also features a current-mode control for high efficiency, low emitted EMI and excellent dynamic performance.

The L9779WD-TR is designed to work with high voltages and is equipped with I2C control, a serial interface like I2C, and variable output power control. It is capable of up to 10A max current drive with an output that can be adjusted from 3.3V to 33V. It also features programmable PWM dimming, allowing for the adjustment of the backlight brightness and providing a wide range of output range for different types of displays. The IC can also operate in both active and standby modes, where standby mode allows for reduced power consumption and lower system costs.

In addition to the programmable control and display features, the L9779WD-TR has built-in protection against ESD, over current and over voltage. Its low voltage design also helps prevent damage due to induced EMI or noise, making it an ideal part for automotive applications.

In summary, the L9779WD-TR is optimized for use in automotive display applications, providing reliable and efficient performance, superior noise immunity and protection. It can be programmed to meet the specific requirements of the application, and its wide range of output power and control options makes it suitable for many different types of automotive displays.

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