The TPS63021DSJT from Texas Instruments is a high-efficiency, single inductor buck-boost converter that is ideal for applications where the input voltage can be higher or lower than the output voltage. This versatile component is designed to maintain stable operation through a wide input voltage range of 1.8V to 5.5V, making it a perfect power solution for battery-powered devices.

Key Features:

• High Efficiency: The converter provides up to 96% efficiency, ensuring minimal power loss during voltage conversion and longer battery life in portable applications.
• Adjustable Output Voltage: Users can set the output voltage from 1.2V to 5.5V to match the needs of the load, offering a high degree of flexibility for various design requirements.
• Automatic Transition: The device seamlessly transitions between buck and boost modes, depending on the input voltage level, to maintain a constant output.
• Low Quiescent Current: The TPS63021DSJT features a low quiescent current of typically 25 µA, which is particularly beneficial for battery-powered applications as it prolongs the battery life by reducing standby power consumption.
• Power Save Mode: For light load conditions, the converter enters a power save mode to maintain high efficiency over the entire load current range.
• Protection Features: The device includes over-temperature and over-current protection, enhancing system reliability and safety.

Applications:

• Portable and battery-powered devices
• Energy harvesting
• Power supply for sensors and microcontrollers
• Wireless and IoT devices

The TPS63021DSJT is available in a compact 10-pin VSON package, which is suitable for space-constrained applications. With its advanced power management features and high efficiency across a wide range of operating conditions, the TPS63021DSJT is an excellent choice for designers looking to optimize their power supply solutions in portable and variable voltage scenarios.