AP2191DWG-7

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The AP2191DWG-7 is a monolithic, single-channel liquid crystal display (LCD) power switch and load driver with high-side technology. It is designed to meet the requirements of LCD monitor applications with only a single channel being needed. It is ideal for consoles and portable computing products.

The AP2191DWG-7 is an integrated extension to the AP2175H series of power switches and load drivers which offers the added benefit of digital control to adjust load and backlight driver current. With this digital control, the user can achieve fine-tune power saving or the correct LCD brightness level according to their individual requirement.

Working with two capacitive communications channels and three control lines, the AP2191DWG-7 allows load and backlight current to be increased or decreased in order to reduce power consumption. By controlling the power switch, the load current can be adjusted according to the desired level. By controlling the backlight driver current, the LCD display brightness can be adjusted to a comfortable level. This can reduce power consumption, increase the displays longevity, and enhance the user experience.

The AP2191DWG-7 has inbuilt protection against over-voltage, undervoltage, and over-current. It includes a variety of low power operating modes as well, such as low power standby modes, as well as adjustable power level adjustment and control.

The AP2191DWG-7 offers a wide range of operating voltage, from 3 V to 28 V, and a wide range of output current, up to 200mA. It features an extremely wide operating temperature range of -40°C to +85°C, making it suitable for the wide variety of LCD products available today. It also has a power-on reset (POR) circuit, allowing the load current to be limited during output voltage startup. This ensures that the electronic system remains in a safe state, even if it is subjected to extreme temperature or voltage fluctuations.

In addition to providing significantly improved power efficiency and simplified control over LCD displays, the AP2191DWG-7 also offers a range of additional features. It includes a built-in temporal care system as well as a temperature compensated temperature reporting, allowing the device to accurately detect system temperature. It also features adjustable dead-time between two control cycles, and a power-saving mode to reduce overall power consumption. Finally, an enable/disable function provides the user with the ability to disable the AP2191DWG-7.

In summary, the AP2191DWG-7 provides a range of features and benefits which are ideal for LCD monitor applications, consoles and portable computing products, allowing great control over both the load and backlight current for power saving and improved user experience. Its wide range of operating voltage and temperatures, as well as its various protection systems, make it a reliable and efficient power switch and load driver.

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