The TPS40021PWPRG4 is a highly efficient, synchronous step-down DC/DC controller from Texas Instruments designed for power management in a wide range of applications. This advanced controller is suitable for systems that require a compact, high-performance power solution with a reduced bill of materials.

Key Features

• Voltage Range: The TPS40021PWPRG4 operates with an input voltage range from 4.5V to 28V, making it versatile for various power systems.
• Adjustable Output: It offers an adjustable output voltage down to 0.7V with a high accuracy of ±1%, catering to the needs of low-voltage power rails.
• Synchronous Operation: Thanks to its synchronous buck topology, the device provides high efficiency by integrating both high-side and low-side MOSFET drivers.
• Frequency Synchronization: The switching frequency is programmable and can also be synchronized to an external clock to minimize electromagnetic interference (EMI).
• Protection Features: It includes a range of protection features such as over-current protection, thermal shutdown, and under-voltage lockout to ensure reliable operation under adverse conditions.

Applications

The TPS40021PWPRG4 is ideal for a variety of applications, including:

• Networking equipment
• Telecommunications infrastructure
• Computing systems
• Industrial platforms
• Point-of-load conversions

Package and Quality

Encased in a 16-pin HTSSOP PowerPad™ package, the TPS40021PWPRG4 is designed for improved thermal performance and space-saving on PCBs. Texas Instruments ensures high-quality standards, and this product is available in a lead-free finish, adhering to environmental regulations.

Support and Resources

Designers can access a wealth of resources including datasheets, application notes, and design tools on the Texas Instruments website to facilitate the integration of the TPS40021PWPRG4 into their projects. With these resources, engineers can accelerate their design process and bring efficient power solutions to market faster.