Texas Instruments

TPS2819DBVR

The TPS2819DBVR is a high-efficiency synchronous step-down converter from Texas Instruments. It is designed to provide a stable output voltage from a wide range of input voltages, making it ideal for use in a variety of applications.

Description:

The TPS2819DBVR is a highly integrated, high-efficiency synchronous step-down converter that can operate from an input voltage range of 4.75V to 23V. It has a wide output voltage range of 0.9V to 5.5V and can deliver a maximum output current of 2A. The device is available in a compact 10-pin, 3mm x 3mm WQFN package.

Features:

1. High Efficiency: The TPS2819DBVR offers high efficiency of up to 95%, which helps to minimize power dissipation and reduce the need for heat sinks or other cooling solutions.
2. Wide Input Voltage Range: The device can operate from an input voltage range of 4.75V to 23V, making it suitable for a wide range of applications.
3. Wide Output Voltage Range: The output voltage range of the TPS2819DBVR is from 0.9V to 5.5V, allowing it to be used in a variety of applications.
4. Low Output Ripple: The device has a low output ripple of typically 50mV, which helps to ensure a stable output voltage.
5. Synchronous Rectification: The TPS2819DBVR uses synchronous rectification to improve efficiency and reduce power dissipation.
6. Programmable Soft Start: The device features a programmable soft start function, which helps to reduce inrush current and minimize output voltage overshoot during startup.
7. Protection Features: The TPS2819DBVR includes a range of protection features, including over-current protection, over-voltage protection, and thermal shutdown.

Applications:

The TPS2819DBVR is suitable for a wide range of applications, including:

1. Portable Electronics: The device can be used to provide a stable output voltage for portable electronics, such as smartphones, tablets, and wearable devices.
2. Industrial Equipment: The TPS2819DBVR can be used in industrial equipment, such as motor controllers and sensor interfaces, to provide a stable power supply.
3. Medical Devices: The device can be used in medical devices, such as hearing aids and portable medical instruments, to provide a stable and efficient power supply.
4. Automotive Applications: The TPS2819DBVR can be used in automotive applications, such as infotainment systems and advanced driver assistance systems (ADAS), to provide a stable power supply.

In summary, the TPS2819DBVR is a highly efficient, compact, and versatile step-down converter from Texas Instruments that is suitable for a wide range of applications. Its high efficiency, wide input and output voltage ranges, low output ripple, and protection features make it an ideal choice for designers looking for a reliable and efficient power supply solution.