Texas Instruments

TPS54294RSAR  

DC Switching Voltage Regulators

The Texas Instruments TPS54294RSAR is a highly integrated, step-down (buck) switching regulator that offers efficient and precise power conversion for a wide range of applications. Here's a brief description, features, and applications of the TPS54294RSAR:

Description:

The TPS54294RSAR is a monolithic, synchronous, step-down switch regulator that delivers a well-regulated output voltage from a higher input voltage source. It is designed to operate over a wide input voltage range and can provide a stable output voltage even under varying input conditions and load demands.

Features:

1. High Efficiency: The TPS54294RSAR offers high efficiency across a wide load range, making it suitable for battery-powered applications where energy consumption is critical.
2. Wide Input Voltage Range: It can handle input voltages from 4.75V to 23V, making it versatile for various power supply scenarios.
3. Synchronous Rectification: The use of synchronous rectification minimizes conduction losses and improves efficiency, especially at higher input voltages and lower output voltages.
4. Precision Output Voltage: The device provides a precise output voltage with a typical accuracy of ±1%, ensuring stable operation for sensitive loads.
5. Low Quiescent Current: It has a low quiescent current (IQ) of 3.5μA in normal operation, which is beneficial for battery-powered applications.
6. Protection Features: The TPS54294RSAR includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown (TSD) to protect the device and the system from fault conditions.
7. Small Package Size: The device is available in a compact 10-lead, 3mm x 3mm WQFN package, which is suitable for space-constrained applications.
8. Wide Operating Temperature Range: It operates over a temperature range of -40°C to 125°C, making it suitable for various environmental conditions.

Applications:

1. Portable Electronics: Due to its high efficiency and low quiescent current, the TPS54294RSAR is ideal for battery-powered devices such as smartphones, tablets, and wearables.
2. Industrial Control Systems: The device can be used in industrial applications where stable and precise power regulation is required, such as motor controllers and sensor interfaces.
3. Medical Devices: Its precision and reliability make it suitable for use in medical equipment that requires stable power supply and operates within stringent safety standards.
4. Automotive Applications: The TPS54294RSAR can be used in automotive systems for power management, such as infotainment systems, sensor power supplies, and other electronic control units.
5. General Purpose Power Conversion: The device can also be used in a wide range of general-purpose power conversion applications where a stable and efficient power supply is needed.

The TPS54294RSAR is a versatile and efficient switching regulator that can be integrated into various systems requiring precise and stable power conversion. Its combination of high efficiency, low quiescent current, and robust protection features make it a popular choice for a wide range of applications.

TPS54294RSAR Documents

Download datasheets and manufacturer documentation for TPS54294RSAR

Images :

Mechanical Outline Drawing      

PCN :

Process Change Notification (PDF)      

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