Texas Instruments TPS61221DCKT - High-Efficiency Step-Up DC-DC Switching Regulator

Description:

The TPS61221DCKT is a high-efficiency step-up DC-DC switching regulator manufactured by Texas Instruments. This lead-free and RoHS compliant integrated circuit is designed to provide a fixed 3.3V output with a maximum output current of 200mA. With a wide input voltage range from 0.7V to 5.5V, this regulator is suitable for various applications requiring a stable and regulated output voltage. The TPS61221DCKT operates at an extended temperature range from -40°C to 125°C, making it suitable for use in harsh environmental conditions. Its small surface mount package, available in SC-70-6, SC-88, and SOT-363, allows for easy integration into space-constrained designs.

Features:

1. High Efficiency: The TPS61221DCKT utilizes a boost topology and synchronous rectification to achieve high efficiency in step-up voltage conversion applications.

2. Wide Input Voltage Range: With an input voltage range from 0.7V to 5.5V, this regulator can accommodate various input sources, including single-cell batteries and other low-voltage power supplies.

3. Fixed 3.3V Output: The TPS61221DCKT provides a stable and fixed 3.3V output, suitable for powering a wide range of electronic components and subsystems.

4. Low Output Ripple: The switching frequency of up to 2MHz ensures low output ripple, making it suitable for noise-sensitive applications.

5. Extended Temperature Range: Operating from -40°C to 125°C, this regulator is designed to withstand extreme temperature conditions, making it suitable for industrial and automotive applications.

6. Small Form Factor: Available in SC-70-6, SC-88, and SOT-363 packages, the TPS61221DCKT is well-suited for space-constrained designs and portable electronic devices.

Applications:

1. Battery-Powered Devices: Portable electronics, such as handheld instruments, wearable devices, and battery-powered sensors, can benefit from the TPS61221DCKT's efficient voltage conversion and wide input voltage range.

2. IoT (Internet of Things) Devices: IoT nodes, smart sensors, and wireless modules can utilize the TPS61221DCKT for efficient power management in energy harvesting and low-power wireless applications.

3. Industrial Control Systems: The regulator can be employed in industrial control systems, data acquisition modules, and remote monitoring devices operating in harsh industrial environments.

4. Automotive Electronics: The TPS61221DCKT is suitable for automotive applications, including infotainment systems, advanced driver-assistance systems (ADAS), and automotive sensors, where a wide input voltage range and extended temperature operation are essential.

5. Wearable Technology: Fitness trackers, smartwatches, and other wearable devices can benefit from the TPS61221DCKT's small form factor and efficient power conversion for extended battery life.

In summary, the Texas Instruments TPS61221DCKT is a high-efficiency step-up DC-DC switching regulator designed to provide a stable 3.3V output with a maximum output current of 200mA. Its wide input voltage range, high efficiency, extended temperature operation, and small form factor make it suitable for a wide range of applications, including portable electronics, IoT devices, industrial control systems, automotive electronics, and wearable technology.