MAX8821ETI+

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What is Max8821ETI+?

Max8821ETI+ is an advanced, highly featured, low-cost, integrated LED driver for the PMIC (Power Management IC) that powers the LED components in mobile and consumer devices. This advanced PMIC LED driver is designed to drive power efficient operations of LED components in mobile, consumer, and other systems.

What is the application field of Max8821ETI+?

Max8821ETI+ is designed for LED lighting applications in mobile applications, consumer devices, industrial and medical applications, entertainment devices, and automotive systems. It provides a wide range of LED-driving capabilities, including forward and reverse current drive, adjustable current sinking, fast transient response, and low-light current drive. It is designed to be used for driving LEDs for backlighting, dimming, stormlights, and other lighting effects.

What is the working principle of Max8821ETI+?

The Max8821ETI+ is an integrated, high-efficiency LED driver IC. It is based on a push-pull inverter topology, allowing it to drive single-, double-, or multiple-LED strings while providing load regulation with a wide range of forward currents. The integrated design enables the Max8821ETI+ to achieve high efficiency even at low drive currents, making it suitable for battery-operated systems. The Max8821ETI+ is also designed to provide fast and smooth transient response, meaning that the LED brightness changes quickly and smoothly with the incoming electrical signals. It supports forward, reverse, and current sinking modes, enabling it to provide adjustable current sinking, low-light current drive, and other LED-driving options.

The Max8821ETI+ also features a wide range of protection features, including DI/DT foldback for comprehensive protection against LED failure, over-voltage, thermal protection, and over-current protection. It also features a programmable current limit and peak current limit to ensure safe operation. In addition, the Max8821ETI+ has a low supply current operation, which reduces the system power loss and helps to maximize the battery life of mobile and consumer systems.

In conclusion, the Max8821ETI+ provides a wide range of LED-driving capabilities, including forward and reverse current drive, adjustable current sinking, fast transient response, and low-light current drive. It also offers a wide range of protection features, including DI/DT foldback, over-voltage, thermal protection, and over-current protection. The Max8821ETI+ is an ideal solution for LED lighting applications in mobile applications, consumer devices, industrial and medical applications, entertainment devices, and automotive systems.

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