The TPS61221DCKR is an advanced and efficient boost converter designed to provide a regulated output voltage from a single-cell Li-Ion battery or any other type of power source with a voltage range of 1.8V to 5.5V. With its innovative design, this boost converter is capable of stepping up the input voltage to a higher constant output voltage, ensuring a stable power supply to various electronic devices. With a maximum output current of 1.2A, the TPS61221DCKR offers high power conversion efficiency, making it an ideal choice for battery-operated applications such as smartphones, tablets, portable instruments, and other portable devices. Its low shutdown current, as well as its ability to maintain a high efficiency over a wide load range, make it an energy-saving solution. Featuring a wide input voltage range and an adjustable output voltage, the TPS61221DCKR is highly versatile and can be easily adapted to meet the requirements of different applications. Its small form factor and low profile package (SC70-5) enable compact PCB design, making it suitable for space-constrained applications. Overall, the TPS61221DCKR is a reliable and high-performance boost converter, offering efficient power conversion and flexibility for a wide range of battery-powered devices.