MAX1518ETJ+T - Maxim Integrated

The MAX1518ETJ+T from Maxim Integrated is a high-performance, compact TFT-LCD power supply that is designed to provide a complete power solution for small to medium-sized TFT LCD panels. It is a highly integrated device that includes a boost converter, linear regulator, high-frequency operational amplifiers, and a gate-on and gate-off charge pump, making it ideally suited for portable devices where space and power efficiency are critical.

This advanced power supply IC operates over a wide input voltage range of 2.6V to 5.5V, allowing it to be powered from a variety of sources, including single-cell lithium-ion batteries. The MAX1518ETJ+T features a high-efficiency, current-mode, step-up converter with an integrated 18V n-channel MOSFET, which is capable of driving up to six strings of LEDs for backlighting applications.

Additionally, the device includes two high-performance operational amplifiers for driving the VCOM backplane and the gamma-correction reference voltage. These amplifiers are designed to have low output noise and fast settling times, ensuring crisp and clear image quality on the LCD panel. The MAX1518ETJ+T also provides a regulated 5V output to power the system's logic circuitry.

The MAX1518ETJ+T incorporates a range of protection features to ensure the longevity and reliability of the LCD panel. These include overvoltage protection, thermal shutdown, and short-circuit protection. The device is available in a 32-pin thin QFN package with a compact footprint of 5mm x 5mm, making it easy to integrate into space-constrained designs.

Maxim Integrated's MAX1518ETJ+T is an ideal choice for designers looking for a robust and integrated solution for powering TFT LCD panels in portable electronics, such as smartphones, tablets, and handheld gaming devices. Its high level of integration, combined with its power efficiency and protection features, makes it a reliable and convenient option for modern display applications.