The TPS61222DCKR from Texas Instruments is a high-efficiency, low quiescent current power solution, designed to meet the needs of a wide range of portable and battery-powered applications. This compact, step-up DC/DC converter belongs to the TPS6122x family of devices that are capable of providing a stable voltage supply from sources that can fluctuate below the desired output voltage.

Key Features

• Adjustable Output Voltage: The TPS61222DCKR provides an adjustable output voltage that can be set from 1.8V to 5.5V, ensuring flexibility and compatibility with various circuits and applications.
• High Efficiency: With efficiency levels of up to 96%, this device ensures minimal energy loss during voltage conversion, making it ideal for battery-powered devices where energy conservation is paramount.
• Low Quiescent Current: It features a low quiescent current of typically 55 µA, which is crucial for extending battery life in portable applications.
• Power Save Mode: The converter enters power save mode at light load currents, which maintains high efficiency over a wide load current range.
• Wide Input Voltage Range: The device operates from an input voltage range of 0.7V to 5.5V, allowing it to support applications with varying input sources, including single-cell batteries.
• Over-Temperature Protection: It includes an over-temperature protection feature that shuts down the device to prevent damage if the internal temperature exceeds safe operating limits.
• Small Package Size: The TPS61222DCKR comes in a compact 6-pin SC-70 package, making it suitable for space-constrained applications.

Applications

The versatile nature of the TPS61222DCKR makes it an excellent choice for a variety of applications, including but not limited to:

• Portable and wearable electronics
• Energy harvesting systems
• Wireless sensors and sensor networks
• Medical devices
• Smart meters

In summary, the TPS61222DCKR from Texas Instruments is a reliable and efficient voltage step-up solution that offers designers the flexibility and performance required for modern portable and low-power applications.