TPS62021DRCR

The TPS62021DRCR is a high-efficiency step-down (buck) DC-DC converter from Texas Instruments, designed to provide a compact and reliable power solution for a variety of applications. Here’s a detailed description of its features and specifications:

General Overview:

• Type: Step-Down (Buck) Converter
• Manufacturer: Texas Instruments
• Package: 6-pin VSON (DRC) package, which is compact and suitable for space-constrained applications.

Key Features:

1. Input Voltage Range: The TPS62021 operates with an input voltage range of 2.3V to 5.5V, making it suitable for battery-powered devices and other low-voltage applications.

2. Output Voltage: The device can be configured to output a fixed voltage of 1.2V, 1.5V, or adjustable output voltage through external resistors, allowing flexibility in design.

3. Output Current: It can deliver up to 2A of continuous output current, which is ideal for powering microcontrollers, sensors, and other peripherals.

4. Efficiency: The TPS62021 boasts high efficiency, typically greater than 90% under various load conditions. This efficiency helps in reducing heat generation and prolonging battery life in portable applications.

5. Switching Frequency: The converter operates at a fixed switching frequency of 1.2 MHz, which allows for the use of smaller external components, such as inductors and capacitors, contributing to a compact design.

6. Power Save Mode: It features a power save mode that enhances efficiency at light load conditions, making it suitable for applications that require low quiescent current.

7. Protection Features: The TPS62021 includes several built-in protection features such as:

   • Overcurrent Protection (OCP): Prevents damage to the device and the load by limiting the output current.
   • Thermal Shutdown: Protects the device from overheating by shutting down the converter if the junction temperature exceeds a certain threshold.
   • Under Voltage Lockout (UVLO): Ensures the converter operates only when the input voltage is above a specified level.

8. Soft Start: The soft start feature limits inrush current during startup, reducing stress on the power supply and connected components.

Applications:

The TPS62021 is suitable for a wide range of applications, including:

• Portable devices (smartphones, tablets)
• Battery-powered equipment
• Point-of-load (POL) converters
• Consumer electronics
• Industrial automation systems

Electrical Characteristics:

• Operating Temperature Range: -40°C to +125°C, making it suitable for harsh environments.
• Output Ripple Voltage: Low output ripple voltage, ensuring stable operation of sensitive electronic components.

Conclusion:

The TPS62021DRCR from Texas Instruments is a versatile and efficient DC-DC converter that meets the demands of modern electronic designs. Its compact size, high efficiency, and robust protection features make it an excellent choice for powering a variety of devices in both consumer and industrial applications.