Product Overview: TPS65171RHAR from Texas Instruments

The TPS65171RHAR is a high-performance power management integrated circuit (PMIC) designed and manufactured by the renowned electronics company, Texas Instruments. This advanced component is specifically engineered to cater to the power requirements of thin-film transistor (TFT) liquid-crystal displays (LCDs) used in a variety of applications, ranging from notebook computers to industrial monitors.

At the heart of the TPS65171RHAR lies a versatile set of features that ensure the reliable operation of display panels. It includes multiple regulated voltage rails that are essential for driving the source and gate drivers within the TFT panel. Additionally, the PMIC is equipped with a high-efficiency boost converter that is capable of providing a positive supply voltage, along with a negative charge pump controller for the generation of a negative supply voltage.

One of the key advantages of the TPS65171RHAR is its flexibility. The device includes programmable sequencing and adjustable output voltages, which allows designers to tailor the power-up and power-down sequences to the specific needs of their display panels. This level of customization ensures optimal performance and longevity of the end product.

Safety and reliability are paramount in any power management solution, and the TPS65171RHAR does not disappoint. It features under-voltage lockout (UVLO), over-voltage protection (OVP), and thermal shutdown to protect the circuitry from potential damage due to abnormal operating conditions. These protective measures help maintain the integrity and stability of the power supply, thereby enhancing the overall reliability of the display system.

The TPS65171RHAR comes in a compact 40-VQFN (RHA) package, making it suitable for space-constrained applications. With its robust design and comprehensive feature set, this PMIC from Texas Instruments stands out as an excellent choice for powering the next generation of TFT LCDs, ensuring crisp, clear, and reliable display performance across a broad range of electronic devices.

Key Features:

• Multiple regulated output voltages for TFT displays
• High-efficiency boost converter and negative charge pump controller
• Programmable sequencing for power rails
• Adjustable output voltages
• Protection features: UVLO, OVP, and thermal shutdown
• Compact 40-VQFN (RHA) package