Product Overview: TPS65138ADRCR by Texas Instruments

The TPS65138ADRCR is a highly efficient, dual-output power supply IC designed by Texas Instruments, renowned for their innovative and reliable semiconductor products. This particular integrated circuit is specifically engineered to meet the power management requirements of portable devices that utilize OLED (Organic Light Emitting Diode) displays, such as smartphones, tablets, and personal media players.

Key Features

• Dual Output: The TPS65138ADRCR provides a positive output voltage up to 4.6V and a negative output voltage down to -5.4V, suitable for driving the anode and cathode of OLED displays.
• High Efficiency: With an integrated boost converter and an inverting buck-boost converter, it ensures high power efficiency, which is crucial for battery-powered applications to extend battery life.
• Small Footprint: Available in a small 3mm x 3mm VSON package, it is ideal for space-constrained applications.
• Adjustable Output: The output voltages can be adjusted through external resistors, providing design flexibility for various display requirements.
• Low EMI: The device features a 1.2MHz fixed switching frequency, minimizing electromagnetic interference (EMI) and allowing for the use of small external components.

Performance and Protection

The TPS65138ADRCR ensures stable performance with built-in protection features. It includes over-temperature protection, over-voltage protection, and under-voltage lockout, safeguarding the device and the end application from potential damage caused by abnormal operating conditions. Additionally, the IC incorporates soft start-up functionality to minimize inrush current during power-up.

Applications

Designed for versatility, the TPS65138ADRCR is suitable for a broad range of products requiring high-quality visual displays. Its primary application is in driving OLED panels, but it can also be used in other display technologies requiring a dual supply voltage. Its compact size and efficiency make it an excellent choice for portable electronics where power conservation and space are of paramount importance.

Overall, Texas Instruments' TPS65138ADRCR is a robust solution for advanced display power management, offering designers a combination of efficiency, flexibility, and reliability in a compact package.