TPS63020 is a small high efficiency buck boost power supply solution with input voltages from 1.8V to 5.5V, the output current can be up to 3A, the efficiency is up to 96%, and it can automatically work in buck and boost mode. Key benefits - Wide input compatibility: Supports 1.8V to 5.5V inputs, enabling use with a range of battery chemistries and USB power sources. - Automatic buck and boost operation: The device automatically switches between buck and boost modes to maintain stable output as the input varies. - High efficiency: Up to 96% efficiency reduces energy loss and helps minimize heat generation. - Sufficient output current: Up to 3A output capability supports a variety of loads and peripherals. - Compact form factor: Designed to fit small and space constrained designs without sacrificing performance. Function and performance - Buck boost power supply solution with automatic mode selection - Input voltage range: 1.8V to 5.5V - Output current capability: up to 3A - Efficiency: up to 96% Compatibility and use cases - Suitable for battery powered devices and USB powered systems - Ideal for portable electronics that experience wide input voltage when the source varies or discharges - Applicable to devices requiring reliable regulation from a fluctuating input to a stable output Use scenarios - Scenario 1: A handheld or portable device powered by a single cell or multi cell battery experiences changing input as the battery discharges; TPS63020 maintains a stable output to the device circuitry. - Scenario 2: A wearable or compact sensor system that operates from a variable voltage source benefits from automatic buck boost regulation to ensure consistent performance. - Scenario 3: A small USB powered gadget that must operate with either USB power or a battery source; TPS63020 provides seamless regulation across the input range.