Texas Instruments

TPS2047AD  

Power Distribution Switches, Load Drivers

TPS2047AD Description

The TPS2047AD is a high-side power switch designed for general-purpose applications, manufactured by Texas Instruments. This power management IC (PMIC) features a high-side output configuration, making it suitable for a wide range of electronic systems. The device is housed in a surface-mount package, specifically a 16SOIC, and is available in tube packaging. Despite being marked as obsolete, the TPS2047AD remains a robust choice for applications requiring reliable power switching.

Key technical specifications include a maximum output current of 250mA, a load voltage range of 2.7V to 5.5V, and a typical on-state resistance (Rds On) of 80mOhm. The device operates over a temperature range of 0°C to 85°C (TA) and features an inverting input type. It also includes comprehensive fault protection mechanisms such as fixed current limiting, over-temperature protection, and under-voltage lockout (UVLO).

TPS2047AD Features

• High-Side Output Configuration: The TPS2047AD is designed with a high-side output configuration, which is ideal for applications where the load is connected between the power switch and ground. This configuration simplifies circuit design and enhances safety by isolating the load from the power source.

• General-Purpose Switch Type: This power switch is versatile and suitable for a variety of applications, making it a reliable choice for engineers looking for a robust and flexible solution.

• Fault Protection Mechanisms: The TPS2047AD includes essential fault protection features such as fixed current limiting, over-temperature protection, and UVLO. These features ensure the device operates safely and reliably under various conditions, protecting both the switch and the connected load from potential damage.

• Low On-State Resistance: With a typical Rds On of 80mOhm, the TPS2047AD minimizes power loss and heat generation, contributing to higher efficiency and longer operational life.

• Wide Load Voltage Range: The device supports a load voltage range of 2.7V to 5.5V, making it compatible with a broad spectrum of electronic systems and ensuring reliable operation across different voltage levels.

TPS2047AD Applications

The TPS2047AD is well-suited for a variety of applications due to its general-purpose design and robust features. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices, smartphones, tablets, and other consumer electronics where reliable power switching is crucial.

• Industrial Systems: Suitable for industrial control systems, automation equipment, and other applications requiring robust power management solutions.

• Telecommunications: Can be used in various telecom equipment, including base stations and networking devices, where efficient power switching is essential.

• Automotive Applications: While not specifically designed for automotive use, the TPS2047AD can be employed in non-critical automotive systems where general-purpose power switching is required.

Conclusion of TPS2047AD

The TPS2047AD from Texas Instruments is a reliable and versatile power switch that offers a range of features and benefits suitable for various applications. Despite being marked as obsolete, its robust design, comprehensive fault protection, and low on-state resistance make it a valuable component for engineers and designers. The device's compatibility with a wide range of load voltages and its high-side output configuration further enhance its utility. While newer alternatives may be available, the TPS2047AD remains a solid choice for applications requiring a general-purpose power switch with reliable performance and comprehensive protection mechanisms.

TPS2047AD Documents

Download datasheets and manufacturer documentation for TPS2047AD

Datasheets :

TPS2045A-48A/55A-58A      

HTML Datasheet :

TPS2045A-48A/55A-58A