Overview of TPS61220DCKR from Texas Instruments

The TPS61220DCKR is a high-efficiency, low quiescent current boost converter integrated circuit (IC) designed by Texas Instruments (TI). This power management IC is particularly suitable for battery-powered applications due to its ability to step up lower voltage levels to a desired higher output voltage, ensuring consistent power supply even as the battery voltage dips.

Key Features

• Voltage Range: The TPS61220DCKR operates with an input voltage range from as low as 0.7V, which is ideal for single-cell battery applications, and can support up to 5.5V, accommodating a broad spectrum of power sources.
• Adjustable Output Voltage: The output voltage can be adjusted up to 5.5V, allowing for flexible application across various devices that require different voltage levels.
• High Efficiency: With up to 95% efficiency, this boost converter ensures minimal energy loss during voltage conversion, making it an energy-efficient choice for portable devices.
• Low Quiescent Current: The TPS61220DCKR boasts a low quiescent current of just 55µA, which is critical for extending battery life in portable applications.
• Power Save Mode: It includes a power save mode that reduces the operating frequency under light load conditions, further conserving energy and prolonging battery life.
• Thermal Protection: The device features thermal shutdown protection, safeguarding it and the end product from damage due to overheating.
• Small Package Size: The IC comes in a compact 6-pin SC-70 package, making it suitable for space-constrained applications.

Applications

The TPS61220DCKR is versatile and can be used in a variety of applications, including but not limited to:

• Portable and battery-powered devices
• Energy harvesting
• Wireless sensors
• Medical devices
• Personal electronics
• Smart meters

With its high efficiency, low quiescent current, and adjustable output voltage, the TPS61220DCKR from Texas Instruments is an excellent choice for designers looking to maximize battery life while maintaining a stable power supply in their portable or low-power applications.