The TPS63021DSJ is a high-efficiency, low-quiescent current buck-boost converter suitable for applications where the input voltage can be higher or lower than the output voltage. Manufactured by Texas Instruments, this converter is designed for battery-powered systems that require a wide input voltage range, such as handheld devices, industrial control equipment, and portable media players.

Main Features:

• Wide Input Voltage Range: The TPS63021DSJ operates from an input voltage range of 1.8V to 5.5V, making it versatile for various power sources, including single-cell Li-Ion batteries, multi-cell alkaline batteries, or regulated 5V and 3.3V power supplies.
• Efficient Power Conversion: This converter is capable of up to 96% efficiency, which helps to extend battery life in portable applications. The device automatically transitions between step-down and step-up modes depending on the input voltage relative to the output voltage.
• Adjustable Output Voltage: The output voltage is programmable via external resistors, allowing for a range of 2.5V to 5.5V, which can power a wide array of devices.
• Low Quiescent Current: The TPS63021DSJ features a low quiescent current of only 25 µA, which is particularly beneficial for extending standby and operational battery life in portable applications.
• Power Save Mode: For improved efficiency at light loads, the device includes a Power Save Mode that reduces the switching frequency to minimize quiescent current.
• Over-Temperature Protection: The built-in thermal shutdown function protects the device from overheating, ensuring reliable operation under various conditions.

Applications:

The versatility of the TPS63021DSJ makes it an excellent choice for a range of applications, including but not limited to:

• Portable and battery-powered equipment
• Energy harvesting systems
• Industrial power supplies
• Handheld devices
• Wireless sensors and IoT devices

Package and Quality:

The TPS63021DSJ is offered in a compact 10-pin VSON package, making it suitable for space-constrained applications. Texas Instruments is known for their commitment to quality, and this product is no exception, meeting high standards for performance and reliability.