TPS63810/TPS63811 2.5A Buck-Boost Converters Texas Instruments TPS63810/TPS63811 2.5A Buck-Boost Converters are high efficiency and high output current devices fully programmable through I2C. The TPS63810/TPS63811 Converters automatically operate in boost, buck, or in a novel 4-cycle buck-boost mode depending on the input voltage.