The TPS65110 from Texas Instruments is a versatile and efficient power management integrated circuit (PMIC) designed to cater to the specific needs of active matrix thin-film transistor (TFT) liquid-crystal displays (LCDs) that are commonly used in portable and handheld devices. This highly integrated solution is capable of providing all the necessary power rails required for the TFT and the LCD panel backlighting.

Key Features

• Multiple Output Voltages: The TPS65110 offers a range of output voltages including a positive analog supply voltage, a positive gate supply voltage, a negative gate supply voltage, and a boost converter for the source driver voltage.
• High Efficiency: The device features a high-efficiency step-up converter for the white LED backlight supply, ensuring extended battery life in portable applications.
• Adjustable Outputs: Output voltages are adjustable through external resistors, providing design flexibility to match the requirements of various screen sizes and resolutions.
• Integrated WLED Driver: An integrated white LED (WLED) driver with adjustable dimming control allows for precise brightness control of the display backlight.
• Protection Features: The TPS65110 includes thermal shutdown, over-voltage protection, and under-voltage lockout to ensure reliable operation under various conditions.

Applications

The TPS65110 is ideal for a range of applications that require high-quality visual displays, including:

• Portable DVD Players
• Digital Photo Frames
• Car Navigation Systems
• Personal Digital Assistants (PDAs)
• Other handheld devices with TFT-LCD screens

With its compact QFN package, the TPS65110 is designed to occupy minimal space on the PCB, making it a perfect choice for space-constrained applications. Its comprehensive feature set and robust design make it an essential component for manufacturers looking to enhance the performance and efficiency of their portable display products.