Overview of Texas Instruments TPS65123RGTR

The Texas Instruments TPS65123RGTR is a versatile, multi-channel power management integrated circuit (PMIC) designed to cater to a wide array of portable and handheld applications. This compact and efficient solution is an ideal choice for powering the various subsystems of mobile devices such as smartphones, tablets, and portable media players.

Key Features

• Dual-Output Power Supply: The TPS65123RGTR provides two independently regulated positive output voltages, which can be adjusted through an external resistor divider network. This feature allows for great flexibility in matching the power requirements of different components within a device.
• Integrated Power Switch: An integrated power switch for a white LED backlight adds to the convenience, reducing the need for additional components and simplifying the design process.
• High-Efficiency: Designed with efficiency in mind, the TPS65123RGTR helps in prolonging battery life, which is crucial for portable applications.
• Programmable Sequence: The power-up and power-down sequence is programmable, offering designers control over the startup behavior of their systems to ensure smooth operation.
• Thermal Protection: Safety is a key concern in electronic design, and the TPS65123RGTR comes with built-in thermal shutdown protection to prevent damage from overheating.
• Small Footprint: Housed in a QFN package, the device takes up minimal board space, a valuable attribute for space-constrained applications.

Applications

The TPS65123RGTR is suitable for a variety of applications that require multiple power rails. Its ability to drive both positive and negative display biases, as well as provide power for white LED backlights, makes it particularly well-suited for OLED and LCD display modules. Additionally, its general-purpose nature allows it to be used in other portable electronics that require efficient power management.

Technical Specifications

• Input Voltage Range: 2.7 V to 5.5 V
• Output Voltage Range: Adjustable via external components
• Package: 16-pin QFN (RGTR)
• Operating Temperature: -40°C to 85°C

Overall, the Texas Instruments TPS65123RGTR is a reliable and flexible PMIC solution that addresses the needs of modern portable electronics with its multi-channel output, integrated features, and compact design.