Product Overview: TPS62228DDCTG4

The TPS62228DDCTG4 from Texas Instruments is a highly-efficient, synchronous step-down DC-DC converter tailored for ultra-low power applications. This compact, high-performance component is designed to meet the rigorous power management requirements of modern portable devices such as smartphones, tablets, and wearable technology.

Key Features

• High Efficiency: The TPS62228DDCTG4 offers up to 95% efficiency, which minimizes power loss during conversion and extends battery life in portable applications.
• Adjustable Output Voltage: This converter supports a user-adjustable output voltage range from 1.8V to 6V, allowing for versatile use in various circuit designs.
• Low Quiescent Current: With a low quiescent current of 17µA, the device ensures minimal power draw when in standby mode, contributing to the overall energy efficiency of the system.
• Power Save Mode: It includes a power save mode that enables the converter to maintain high efficiency over a wide load current range, making it ideal for battery-powered applications.
• Small Package Size: The TPS62228DDCTG4 comes in a compact 6-pin SOT-23 package, which is perfect for space-constrained applications.

Applications

The versatility and high efficiency of the TPS62228DDCTG4 make it suitable for a wide range of applications, including:

• Portable and battery-powered devices
• Wearable electronics
• Wireless communication systems
• Power supply for microcontrollers and DSPs

Technical Specifications

The TPS62228DDCTG4 operates with an input voltage range of 2.5V to 6V, making it compatible with multiple battery chemistries. The device supports a 1.2A switch current limit and operates at a 2.25MHz fixed switching frequency, which allows the use of small inductors and capacitors, further reducing the overall solution size.

Conclusion

With its high efficiency, flexible output voltage range, and low power consumption, the TPS62228DDCTG4 from Texas Instruments is an excellent choice for designers looking to optimize power management in compact, portable electronic devices. Its small form factor and high-performance capabilities make it a go-to solution for power-critical applications.