Texas Instruments TPS65138 Dual Output AMOLED Display Power Supply TPS65138ADRCR

The TPS65138ADRCR is a dual output power supply specifically designed for AMOLED displays, providing both positive and negative voltage rails. It operates within an input voltage range of 2.9V to 4.5V and delivers a fixed positive output voltage of 4.62V with a maximum output current of 300mA. The negative output voltage is digitally programmable, ranging from -2.2V to -6.2V, with a default value of -4.9V. This device features excellent line and load regulation, ensuring minimal disturbance to the display during operation. It includes built-in short circuit protection and thermal shutdown capabilities to enhance reliability. The TPS65138ADRCR is housed in a compact 3mm x 3mm QFN package, making it suitable for space-constrained applications. It is particularly well-suited for battery-operated devices, such as mobile phones, where efficient power management is critical.