Texas Instruments TPS61027 5-V Output, 1.5-A Switch, 96% Efficient Boost Converter w/ LDO Down-Mode, QFN-10 TPS61027DRCRSY

The TPS61027DRCRSY is a synchronous boost converter designed to provide a regulated 5-V output with a maximum output current of 1.5 A. It operates efficiently with a peak efficiency of 96%, making it suitable for battery-powered applications. The input voltage range is from 0.9 V to 6.5 V, allowing it to work with various battery types, including one-cell, two-cell, or three-cell alkaline, NiCd, NiMH, and one-cell Li-Ion or Li-Polymer batteries. This device features a low quiescent current of 25 µA, which can increase to 200 mA under load, and includes a power save mode to enhance efficiency at low output power levels. The TPS61027 also incorporates a low battery comparator and overtemperature protection, ensuring reliable operation in various conditions. Packaged in a compact 3 mm x 3 mm VSON-10 package, it is suitable for space-constrained designs. The device is rated for operation in temperatures ranging from -40°C to 85°C, making it versatile for different environmental conditions.