Texas Instruments

TPS5401DGQR

The Texas Instruments TPS5401DGQR is a highly integrated step-down (buck) converter that offers a wide input voltage range and high efficiency. It is designed to provide a stable and regulated output voltage from a variety of input voltage sources, making it ideal for use in a wide range of applications.

Description:

The TPS5401DGQR is a synchronous step-down converter that can operate with input voltages from 4.75V to 23V. It has a wide output voltage range of 0.9V to 12V and can deliver up to 3A of continuous output current. The device is available in a compact 16-pin QFN package.

Features:

1. Wide input voltage range: The TPS5401DGQR can operate with input voltages from 4.75V to 23V, making it suitable for a wide range of applications.
2. High efficiency: The device offers high efficiency of up to 96%, which helps to minimize power dissipation and reduce thermal issues.
3. Wide output voltage range: The output voltage can be adjusted from 0.9V to 12V, providing flexibility for different applications.
4. High output current: The TPS5401DGQR can deliver up to 3A of continuous output current, making it suitable for applications that require high power.
5. Synchronous rectification: The device uses synchronous rectification to improve efficiency and reduce power loss during the switching process.
6. Protection features: The TPS5401DGQR includes over-current protection, over-voltage protection, and thermal shutdown protection to ensure safe operation.
7. Small form factor: The device is available in a compact 16-pin QFN package, making it suitable for space-constrained applications.

Applications:

The TPS5401DGQR is suitable for a wide range of applications that require a stable and regulated output voltage from a variety of input voltage sources. Some of the potential applications include:

1. Portable electronic devices: The TPS5401DGQR can be used to provide a stable output voltage for portable devices such as smartphones, tablets, and laptops.
2. Industrial equipment: The device can be used in industrial equipment that requires a stable and regulated power supply, such as motor controllers and sensor systems.
3. Medical devices: The TPS5401DGQR can be used in medical devices that require a stable and regulated power supply, such as portable medical instruments and wearable devices.
4. Automotive applications: The device can be used in automotive applications that require a stable and regulated power supply, such as infotainment systems and advanced driver-assistance systems (ADAS).
5. Power supplies: The TPS5401DGQR can be used as a building block for designing custom power supplies for various applications.

In summary, the Texas Instruments TPS5401DGQR is a highly integrated step-down converter that offers a wide input voltage range, high efficiency, and a compact form factor. It is suitable for a wide range of applications that require a stable and regulated output voltage from a variety of input voltage sources.