The TPS630251YFFR is a high-efficiency, low quiescent current, buck-boost converter from Texas Instruments. This versatile power management integrated circuit (IC) is designed to maintain output voltage regulation when the input voltage can be above or below the output voltage, making it ideal for battery-powered applications where the battery voltage can vary during its discharge cycle.

Key Features

• Wide Input Voltage Range: The TPS630251YFFR operates over a wide input voltage range from 1.8V to 5.5V, accommodating a variety of power sources.
• Adjustable Output Voltage: Users can set the output voltage from 1.2V to 5.5V, making the device suitable for powering multiple platforms with different voltage requirements.
• High Efficiency: The device provides high efficiency over a wide load current range due to its buck-boost topology, which is optimized for battery-powered applications.
• Low Quiescent Current: It features a low quiescent current of 50μA (typical), which is crucial for extending battery life in portable devices.
• Power Save Mode: For light load operations, the TPS630251YFFR enters Power Save Mode to maintain high efficiency across the entire load current range.
• Protection Features: The device includes over-temperature and over-current protection, enhancing system safety and reliability.

Applications

The TPS630251YFFR is suitable for a broad range of applications, particularly where battery life and efficiency are critical. These include:

• Portable and battery-powered equipment
• Smartphones and tablets
• Wearable technology
• Power banks
• Energy harvesting and solar-powered devices

Package and Availability

The TPS630251YFFR is offered in a compact, 9-ball chip scale package (CSP), which is ideal for space-constrained applications. It is available for order from Texas Instruments and authorized distributors, ensuring ready availability for design engineers and procurement specialists.