Texas Instruments

TPS2042AD  

Power Distribution Switches, Load Drivers

TPS2042AD Description

The TPS2042AD from Texas Instruments is a high-side power switch designed for general-purpose applications. It features a maximum output current of 500mA and operates within a load voltage range of 2.7V to 5.5V. The device is housed in an 8-pin SOIC package and is suitable for surface-mount applications. With a typical on-state resistance (Rds(on)) of 80mOhm, the TPS2042AD ensures minimal power loss and high efficiency. It includes comprehensive fault protection mechanisms such as fixed current limiting, over-temperature protection, and under-voltage lockout (UVLO), ensuring reliable operation and protection against various fault conditions.

TPS2042AD Features

• Output Configuration: High Side
• Current - Output (Max): 500mA
• Voltage - Load: 2.7V to 5.5V
• Rds On (Typ): 80mOhm
• Number of Outputs: 2
• Fault Protection: Current Limiting (Fixed), Over Temperature, UVLO
• Operating Temperature: 0°C to 85°C (TA)
• Input Type: Inverting
• Switch Type: General Purpose
• Mounting Type: Surface Mount
• Package: Tube
• Interface: On/Off

The TPS2042AD stands out due to its robust fault protection features and low on-state resistance, which contribute to its high efficiency and reliability. The inverting input type and general-purpose switch type make it versatile for a wide range of applications.

TPS2042AD Applications

The TPS2042AD is ideal for applications requiring reliable power switching with minimal power loss. Its high-side configuration and fault protection features make it suitable for use in:

• Consumer Electronics: Portable devices, smartphones, and tablets
• Industrial Equipment: Control systems, sensors, and actuators
• Telecommunications: Base stations, routers, and switches
• Automotive Electronics: In-car infotainment systems, electronic control units

The device's ability to operate within a wide load voltage range and its surface-mount package make it a compact and efficient solution for space-constrained designs.

Conclusion of TPS2042AD

The TPS2042AD from Texas Instruments is a versatile and reliable high-side power switch, offering a combination of high efficiency, robust fault protection, and a compact surface-mount package. Its comprehensive protection mechanisms and low on-state resistance make it an excellent choice for a variety of applications, ensuring reliable operation and minimal power loss. Whether used in consumer electronics, industrial equipment, telecommunications, or automotive electronics, the TPS2042AD provides a robust and efficient power management solution.

TPS2042AD Documents

Download datasheets and manufacturer documentation for TPS2042AD

Datasheets :

TPS2051ADG4      

HTML Datasheet :

TPS2051ADG4      

PCN Design/Specification :

Design 25/Feb/2022