TPS63020 is a highly efficient compact buck-boost power supply solution. It accepts input voltages from 1.8V to 5.5V and can deliver up to 3A of output current. Efficiency reaches up to 96%, and it automatically switches between buck and boost to maintain the desired output. Key benefits - Wide input range from 1.8V to 5.5V supports various power sources and battery chemistries - Automatic buck-boost operation eliminates the need to select modes manually - High efficiency up to 96% reduces heat and extends runtime in portable designs - Compact form factor suitable for space-constrained applications Key specifications - Input range: 1.8V to 5.5V - Output current: up to 3A - Efficiency: up to 96% - Operation: automatic buck and boost Use scenarios - Portable electronics and wearables where input voltage fluctuates as a battery discharges - IoT sensors and compact devices requiring a stable rail from USB or battery sources - Prototyping and hobbyist projects that need reliable voltage regulation across changing input conditions