Introducing the TPS65170RHDT from Texas Instruments

The TPS65170RHDT is a high-performance power management integrated circuit (PMIC) designed by Texas Instruments, tailored for driving TFT LCD panels. This robust component is an ideal solution for powering the various supply rails of thin-film transistor (TFT) liquid crystal displays (LCDs) used in monitors, notebook displays, and a range of other industrial and consumer applications that require high-quality visual interfaces.

Key Features

• Versatile Power Solution: The TPS65170RHDT offers a multi-channel power supply, including a positive charge pump for the source driver, a negative charge pump for the gate driver, a regulated voltage for the logic, and an adjustable VCOM buffer.
• High-Efficiency Performance: With its integrated 1.6 MHz fixed-frequency PWM boost converter, the device ensures efficient power conversion, thereby enhancing the overall performance of the display system.
• Programmable Sequencing: The sequencing of the output voltages can be programmed via an external EEPROM, which allows for a customized startup sequence tailored to specific display panel requirements.
• Thermal Protection: The TPS65170RHDT is designed with built-in thermal shutdown protection to safeguard the device from overheating, ensuring reliable operation under varying conditions.

Technical Specifications

• Input Voltage Range: 2.7V to 5.8V, accommodating a wide variety of power sources.
• Output Voltage Range: Capable of providing a broad range of output voltages, crucial for driving different sections of TFT LCD panels.
• Package: The device comes in a compact 32-pin VQFN package, suitable for space-constrained applications.

Applications

The TPS65170RHDT's flexibility and high efficiency make it a go-to choice for a diverse array of applications, such as:

• Notebook PCs
• Monitors and TVs
• Portable media players
• Industrial displays

With its comprehensive feature set and robust design, the TPS65170RHDT from Texas Instruments stands out as a powerful and versatile solution for LCD power management, enabling designers to enhance the performance and reliability of their display products.